xE70-868 RF Module User Guide
Contents
1. Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Regulatory Conformance Information Operational Frequency Bands The module radio transmitter operations must be compliant with some regulatory requirements in terms of frequency bands and emitted power as detailed below 2 1 1 868 MHz band Requirements The ERC recommendation 70 03 Annex 1 describes the 868 MHz license free band for non specific short range devices in terms of bandwidth maximum power duty cycle and channel spacing It gives the following limitations ERC recommendation 70 03 Band Frequency band Maximum Channel spacing Maximum MHz radiated power Duty cycle mW g3 869 400 869 650 500 25 kHz or the whole band 10 These bands are free to use but the module and the user must respect some limitations Most of these restrictions are integrated in the conception of the module except the duty cycle This means that each module is limited to a total transmit time of 6 minutes per hour It is the responsibility of the user to respect the duty cycle National Restrictions for non specific short range devices Annex 1 band g3 Country Restriction Reason Remark Band g3 Georgia Not implemented Russian e EE Not implemented Ukraine Not implemented 2 1 2 865 867 MHz Band Reguirements In India it is allowed to operate devices in the 865 867 MHz freguency band subject to the follow2. Erasable Programmable Read Only Memory e r p Effective radiated power ETSI European Telecommunication Standard Institute GFSK Gaussian Freguency Shift Keying I Input ISM Industrial Scientific and Medical kB KiloByte kbps Kilobits per second keps Kilochips per second kHz Kilo Hertz LBT Listen Before Talk LGA Land Grid Array MHz Mega Hertz mW milliwatt O Output PER Packet Error Rate ppm Parts per million RAM Random Access Memory RF Radio Freguency RoHS Restriction of Hazardous Substances RxD Receive Data SMD Surface Mounted Device SRD Short Range Device TxD Transmit Data UART Universal Asynchronous Receiver Transmitter uC microcontroller Ka Cf Er q K BOA Zeck th d n yg yog r A EA Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 40 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 10 Document History Revision Date Changes 0 2012 11 21 First Release 1 2014 01 30 Inserted NE70 868 module and DoC 2 2014 04 01 Updated Demo Kit Case content 3 2014 07 18 Updated Radio Specifications table 4 2014 07 22 Corrected partname for L1 on page 32 EW KS K i i d g i ou i DA y means d A E GE 23 Ce rd J Eri DESEN Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 41 of 41
3. Telit and other 3rd Party supplied SW certain exclusive rights for copyrighted computer programs including the exclusive right to copy or reproduce in any form the copyrighted computer program Accordingly any copyrighted Telit or other 3rd Party supplied SW computer programs contained in the Telit products described in this instruction manual may not be copied reverse engineered or reproduced in any manner without the express written permission of Telit or the 3rd Party SW supplier Furthermore the purchase of Telit products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the copyrights patents or patent applications of Telit or other 3rd Party supplied SW except for the normal non exclusive royalty free license to use that arises by operation of law in the sale of a product Lu 0 6 a a a md en aI Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 3 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Usage and Disclosure Restrictions License Agreements The software described in this document is the property of Telit and its licensors It is furnished by express license agreement only and may be used only in accordance with the terms of such an agreement Copyrighted Materials Software and documentation are copyrighted materials Making unauthorized copies is prohibited by la
4. a high state Reset Incoming signal Indicates whether the module can send serial data to CTS user Active on low state or not inactive on high state RTS Outgoing signal Indicates whether the user can transmit serial data active on low state or not inactive on high state IO T O configurable as input or as output See reference document 7 for LE70 868 STANDBY Input signal which indicates to the module to switch to pre selected low power mode See reference document 7 for LE70 868 TX LED Output signal set to VCC during radio transmission and set to GND the rest of the time Output signal set to VCC as soon as a radio frame is detected with correct RX LED synchronization word The signal returns to GND as soon as the frame reception is finished In Addressed Secured mode this signal rises to VCC when an ACK hasn t been received after frame transmission and repetition This is the hardware version of ERROR serial message It stays at VCC until next success addressed secured transmission ACK TX Output signal which indicates the status of the serial port When serial STATUS TX RX port is transmitting Status RX TX signal goes VCC until the end of serial transmission The signal stays to GND the rest of the time mn E Reproduction forbidden without written authorization from Telit Communieations S p A All Rights Reserved Page 27 of 41 Ba la wireless S
5. considerations Basic recommendations must be followed to achieve a good RF layout e It is recommended to fill all unused PCB area around the module with ground plane e The radio module ground pin must be connected to solid ground plane e If the ground plane is on the bottom side a via Metal hole must be used in front of each ground pad Especially J28 and J30 RF Gnd pins should be grounded via several holes to be located right next to the pins thus minimizing inductance and preventing mismatch and losses Ground vias d l E 5 dy z EW 7 Fyn 3 DEE WN Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 33 of 41 6 4 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Antenna connections on printed circuit boards Special care must be taken when connecting an antenna or a connector to the module The RF output impedance is 50 ohms so the strip between the pad and the antenna or connector must be 50 ohms following the tables below Ground lines should be connected to the ground plane with as many vias as possible but not too close to the signal line PCB material PCB thickness H mm Coplanar line W mm Coplanar line G mm 0 8 1 0 3 FR4 1 6 1 0 2 Table 1 Values for double face PCB with ground plane around and under coplanar wave guide recommended PCB material PCB thickness H mm Co
6. 0 bps e 7or8 bits e Parity management e Flow control o Hardware RTS CTS e Flexibility o Pre flashed o Customization capability o Embedded bootloader for firmware download through serial link or over the air 3 8 Absolute Maximum Ratings 0 3V to 3 6V 0 3V to Vpp 0 3V Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 20 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 3 2 Ordering Information The following equipments can be ordered x L or N e The SMD version xE70 868 e The DIP interface version xE70 868 e The Demo Kit LE70 868 composed by n 2 EVK board n 2 DIP interface boards n 2 RF antennas n 2 USB cables n 2 batteries 9V e The Demo Case NE70 868 composed by n 4 EVK board n 4 DIP interface boards n 4 RF antennas n 4 USB cables n 2 report I O interface n 2 batteries 9V The versions below are considered standard and should be readily available For other versions please contact Telit Please make sure to give the complete part number when ordering Reproduction forbidden without written a thorizati n from Telit Communications S p A All Rights Reserved Page 21 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Equipment x L or N SMD Version B xE70 868 SMD n E LE70 868 NE70 868 ie E i Telit Telit DIP Vers
7. 14 7 22 J3 103_A VO analog Analog Input N 3 Logic I O capability J2 IO2_P VO TTL Logic I O N 2 with interrupt RX LED O TTL See reference document 7 Star Network Protocol Stack User Guide DI IO1_P VO TTL Logic I O N 1 with interrupt TX LED O TTL See reference document 7 Star Network Protocol Stack User Guide 4 3 Pin out of the Module DIP Ei P ram m Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 25 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 4 4 Dip Module Pin out correspondence table Pin Out correspondence between xE70 868 DIP and xE70 868 SMD xE70 868 DIP xE70 868 SMD lt SC Comments Connector Pin Name 3 J4 Connector for debugging and flashing g Reserved Pin i 108_AD_DA Bai Senne A 50 Ohm coplanar wave guide SMA connector and a 0 ohm resistor are used to FHRS FE connect J29 to J3 ue Y Reproduction forbidden without written authorization from Telit Communieations S p A All Rights Reserved Page 26 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 4 5 Signals description Signals Description External hardware reset of the radio module Active on low state Serial link signals format NRZ TTL TXD RXD TXD is for outgoing data RXD is for incoming data The 1 is represented by
8. 300 08122 Cagliari ITALY manufacturer 3 This declaration of conformity is issved under the soe responsibility of the manufacturer 4 Radio Mode or Application in 868 MHz banc Telit y Telit pe cer Telit pc c eny L ven sem L CE SAM NCHOD tM Exc Mon me 5 The o9ject of the deoleratior described above is n conformity with tha relevart Community harmonisation Curopean Directive 19 9 05 EC R amp TTE 6 The conformity with the essential reauirenents of the 1999 05 EC has been demonstrated against the fallawinc harmonized standards EN 60950 1 2035 For artkle 3 1 a Heaitn and Safety of the Use EN 301 489 1 V1 82 g EN 301 480 3 V1 4 1 For article 3 1 0 Electramagnetic Compatibility EN 300 220 2 V2 4 1 For article 3 2 Effective use of radio spectrum 7 Tha conformity assessment procedure raferrad to in Aricle 10 and detailed ia Annex V cf Directive 1989 05 EC has been fallawed with the invahrement of the following Notified Body CETECOM ICT Services GmbH Llntertirkheimer Strage 6 10 D 63117 Saarbrucken Germany Notifiad Body Number 0682 Tous 0682 is placed on the product 8 The Technical Construction File TGF relevant to the product cesoribed abcve and which supoprt this Declaration af Canfarmity zs haki at Teli Communications S o A Via Stazione di Prosecco Sb 34010 Sgonico TRIESTE ITALY Sig aed for and on beha f of Telit Gor munications S p A Trieste 2013 10 08
9. 70 03 Band g3 869 400 MHz 869 650 MHz channelized operation Frequency Band RF data rate 4 8 kbps Numbers of channels 10 Channel width 25 kHz Channel 0 869 4125 MHz Total Bandwidth 250 kHz Transmission Duty cycle lt 10 Modulation Format 2GFSK Deviation 2 4 kHz SE tolerance 2 5 kHz Selectable by software ae B see Protocol Stack User ce le eererereeeeeenennnnneeneet From 7 dBm to 23dBm Reception Rx filter BW 15 kHz Sensitivity dBm for PER lt 0 8 Ch1 Ch5 Ch10 116 5 116 5 116 5 l Reproduction forbidden wi E al ane Page 17 of 41 a xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 10 200 kHz 865 1 MHz 2 MHz 2GFSK 7 kHz 10 kHz 20 kHz 2 5 kHz Selectable by software see Protocol Stack User Guide 7 8 From 7 dBm to 27dBm 27 kHz 44 kHz 81 kHz 114 5 113 110 Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 18 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Limits allowed by ETSI standard 1 Transmission 12 5 kHz 25 kHz channelization AD TELIA 87 kHz 100 ppm gt 25 kHz channelization ACP for channels 37 dBm in 16 kHz receiv
10. S o Ieli wireless solutions xE70 868 RF Module User Guide 1w0301037 rev 4 2014 07 22 fa Ve a L KS R j el e a 4 Making machines talk wireless Solutions xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 APPLICABILITY TABLE Rights Reserved Page 2 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Notice While reasonable efforts have been made to assure the accuracy of this document Telit assumes no liability resulting from any inaccuracies or omissions in this document or from use of the information obtained herein The information in this document has been carefully checked and is believed to be entirely reliable However no responsibility is assumed for inaccuracies or omissions Telit reserves the right to make changes to any products described herein and reserves the right to revise this document and to make changes from time to time in content hereof with no obligation to notify any person of revisions or changes Telit does not assume any liability arising out of the application or use of any product software or circuit described herein neither does it convey license under its patent rights or the rights of others It is possible that this publication may contain references to or information about Telit products machines and programs programming or services that are not announced in your
11. YANWANAANA ANAN RHAANAARANDAAARANMU NN AA BANDANA Na A nee 7 1 5 Po a iu deu RS _ Ou Y 8 1 6 Related Documents eet 9 2 Regulatory Conformance Information 10 2 1 Operational Frequency Bande 10 2 1 1 868 MHz band Reoutrements LLYN LARLL LLY RHY EFE Y LFnFnoud 10 2 1 2 865 867 MHz Band Requirements c cccccececeseeceneeeeeeeeeecceeneeeeeeeeeeeseeeneteeeeeeeeesenees 10 2 2 Other Regulatory Requirements YY Y YLALILLLR LLY FYRR HRH REY FYFYR Hn Yno 11 3 General e E 12 3 1 Main eren cee cece ice vas czceseasnades OR LA MOR ORCA tex LOG cvaccegensct ctucteatateea DNRUG OOED 12 3 2 EVN Sa Ee 12 3 3 Temperature Operating Range 12 3 4 Mechanical Specifications ccccccsccecececeeeeeeeenneaeceeeeeeesececeaeeeeeeeeeseseesuceeeeeeeenseees 13 3 4 1 Mechanical drawing cccccccccceseesceceeeeeeeeceeenneeeeeeeeecseenaeeeeeeeeeseseecceeeeeeeeeesseesssieeeeeees 14 3 5 RE ee EE 15 3 6 EELER 16 3 7 Digital Specifications see CANA CN A DF fA NAF AB YO DA O 20 3 8 Absolute Maximum EE sde geet MDO 20 3 9 Ordering IER FN FN NY RR CC FC HF FE YFFHFFYFR 21 4 Pin out and signals descripti0Tl 14i eesitusi ueu Juda NN AL RUN YN GYN RAN ENEE AH RUN geben 23 4 1 Module Pin OUT Top View cscisinccsntsseessdnsannd AG SO Ae MOON NY ANA SAG AU SA bwo UNO 23 4 2 Module Pin out table E 24 4 3 Pin out of the Module Heger EEEEg 25 4 4 Dip Module Pin out correspondence table sssse
12. country Such references or information must not be construed to mean that Telit intends to announce such Telit products programming or services in your country Copyrights This instruction manual and the Telit products described in this instruction manual may be include or describe copyrighted Telit material such as computer programs stored in semiconductor memories or other media Laws in the Italy and other countries preserve for Telit and its licensors certain exclusive rights for copyrighted material including the exclusive right to copy reproduce in any form distribute and make derivative works of the copyrighted material Accordingly any copyrighted material of Telit and its licensors contained herein or in the Telit products described in this instruction manual may not be copied reproduced distributed merged or modified in any manner without the express written permission of Telit Furthermore the purchase of Telit products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the copyrights patents or patent applications of Telit as arises by operation of law in the sale of a product Computer Software Copyrights The Telit and 3rd Party supplied Software SW products described in this instruction manual may include copyrighted Telit and other 3rd Party supplied computer programs stored in semiconductor memories or other media Laws in the Italy and other countries preserve for
13. d f cs L r s AND Quality Director yy R amp D Manager Guido Walcher yd Gianpiero Pilu Teclirical Coast Cen Fle Med U211 2012 11 ia 1758 2208 LC A 77 MA 3 gt yn Reproduction forbidden without written authorization from Telit Communication s S p A All Rights Reserved Page 38 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Safety Recommendations READ CAREFULLY Be sure the use of this product is allowed in the country and in the environment required The use of this product may be dangerous and has to be avoided in the following areas e Where it can interfere with other electronic devices in environments such as hospitals airports aircrafts etc e Where there is risk of explosion such as gasoline stations oil refineries etc It is responsibility of the user to enforce the country regulation and the specific environment regulation Do not disassemble the product any mark of tampering will compromise the warranty validity We recommend following the instructions of the hardware user guides for a correct wiring of the product The product has to be supplied with a stabilized voltage source and the wiring has to be conforming to the security and fire prevention regulations The product has to be handled with care avoiding any contact with the pins because electrostatic discharges may damage the product itself The system integrator is responsible of the funct
14. d on DIP interface with T 25 C under 50 ohm impedance connected to RF port and default power register setting if nothing else stated Max limits apply over the entire operating range T 40 C to 85 C Vpp 2 3V to 3 6V and all channels Characteristics xE70 868 Min Typ Max Unit Power Supply Vpop 2 3 3 6 3 6 Vv Consumption at 3 6V Maximum output power 500mW 427dBm 335 lt 400 mA Reception 25 30 mA Stand by 32 768 khz On lt 2 lt 3 uA VO low level GND 0 2x Von V T O high level 0 8x Vpp Non V xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 356 Radio Specifications Measured on DIP interface at T 25 C Vpp 3 6V 50 ohm impedance and default power register setting if nothing else stated 1 250 kHz 869 525 MHz 250 kHz lt 10 2GFSK 0 6kHz 1 2 kHz 7 kHz 7 kHz 10 kHz 20 kHz 30 kHz 2 5 kHz Selectable by software see Protocol Stack User Guide 7 8 From 7dBm to 27dBm 20 kHz 20 kHz 20 kHz 27 kHz 44 kHz 81 kHz 122 kHz 119 119 117 115 113 110 108 5 20 bytes Data Packet not including preamble length Reproduction forbidden without written atitharizatian from Telit Carrmunications S p A All Rights Reserved Page 16 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 ERC Rec
15. dimensions in mm Neither via holes nor wires are allowed on the PCB upper layer in area occupied by the module 8 FA emeng Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 29 of 41 5 4 d 5 6 lelit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Solder paste xE70 868 module is designed for reflow soldering process For proper module assembly solder paste must be printed on the target surface of the host board The solder paste should be eutectic and made of 95 5 of SN 4 of Ag and 0 5 of Cu The recommended solder paste height is 180 um Placement The xE70 868 module can be automatically placed on host boards by pick and place machines like any integrated circuit Soldering Profile RoHS Process It must be noted that xE70 868 module should not be allowed to be hanging upside down during the reflow operation This means that the module has to be assembled on the side of the printed circuit board that is soldered last The recommendation for lead free solder reflow in IPC JEDEC J STD 020D Standard should be followed E npa KE f Ud d i ta A E Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 30 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Profile Feature Sn Pb Eutectic Assembly Pb Free Assembly Rea Ta a
16. er filter BW under normal test conditions lt 25 kHz 32 dBm in 16 kHz receiver filter BW under extreme test conditions Reference Limit Lower envelope Upper envelope Bandwidth RBW point point Minimum frequency maximum frequency Modulation 1 kHz 30 dBm 1 uW io lower fe upper bandwidth jai 1 kHz 36 dBm 250 nW feiwe 200 kHz fs upper 200 kHz 10 kHz 36 dBm 250 nW fe ower 400 kHz fe upper 400 kHz 100 kHz 36 dBm 250 nW fe ower I MHz fe upper 1 MHz Frequency 47 MHz to 74 MHz Other frequencies Frequencies above 7 5 MHz to 118 MHz below 1 000 MHz 1 000 MHz 174 MHz to 230 MHz emissions in the State 470 MHz to 862 MHz o Operating 54dBm 4nW 36dBm 250nW 30dBm 1 pW Standby 57 dBm 2 nW 57 dBm 2 nW 47 dBm 20 nW Reception Frequency offset of the Becca ahi Minimum offset between unwanted signal wanted and unwanted signals 2 MHz Blocking for class 2 eguipments 10 MHz Below 1000 MHz Above 1000 MHz Spurious radiation 57 dBm 2nW 47 dBm 20nW is CN 7 pS d Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 19 of 41 L wireless Solutions xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 3 7 Digital Specifications e 128 kB 8 KB in system programmable flash e 8kB RAM e 2kB EPROM e RS232 TTL Full Duplex e 1200 to 11520
17. iates feedback from the users of our information 15 Text Conventions o Danger This information MUST be followed or catastrophic equipment failure or bodily injury may occur Caution or Warning Alerts the user to important points about integrating the module if these points are not followed the module and end user eguipment may fail or malfunction Tip or Information Provides advice and suggestions that may be useful when integrating the module gt All dates are in ISO 8601 format i e YYYY MM DD Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 8 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 1 6 Related Documents 1 EN 300 220 2 v2 4 1 ETSI Standards for SRD May 2012 2 ERC Rec 70 03 ERC Recommendation for SRD October 2012 3 2002 95 EC Directive of the European Parliament and of the Council 27 January 2003 4 SR Tool User Guide 1vv0300899 5 2006 771 EC Harmonization of the radio spectrum for use by short range devices 6 2009 381 EC Amending Decision 2006 771 EC on harmonization of the radio spectrum for use by short range devices 7 Star Network Protocol Stack User Guide 1vv0300873 8 Low Power Mesh Protocol Stack User Guide 1vv0300944 Reproduction forbidden without written a thorizati n from Telit Communications S p A All Rights Reserved Page 9 of 41 2 1
18. ing maximum limits e Transmitter power I W e Effective radiated power 4 W e Carrier bandwidth 200 kHz sc DEE UN without written authorization from Telit Communications S p A All Rights Reserved Page 10 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 2 2 Other Regulatory Requirements Furthermore the module complies with the ETSI 300 220 2 v2 4 1 standards specific for SRD which main requirements are described in Appendix 1 Finally the module complies with the new European Directive 2002 95 EC concerning the Restrictive Usage of Hazardous Substances RoHS Reproduction forbidden without written a thorizati n from Telit Communications S p A All Rights Reserved Page 11 of 41 3 1 Sele 3 3 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 General Features Main Functionalities The xE70 868 module is a complete solution from serial interface to RF interface The xE70 868 module has a digital part and a RF part The radio link is a Half Duplex bi directional link The digital part has the following functionalities e Communication interface e HO management e Micro controller with embedded Telit Software Stack The RF part has the following functionalities Frequency synthesis Front end Low noise reception Power amplification Packet handling Software The xE70 868 module is provided pre flashed with Telit in house stack Plea
19. ion B xE70 868 DIP Demo Kit LE70 868 Demo Kit NE70 868 Demo Case Baca deck Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 22 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 4 Pin out and signals description 4 1 Module Pin OUT Top View J1 MG LIF E i A 8 J9 A CAUTION reserved pins must not be connected CAUTION In case you want to use in the same application Telit ZE51 or ZE61 modules J9 and J8 should not be connected since reserved on these modules see foot notes on Pin Out tables d D d i D j i 4 Pons D d a A a gt y i eee J Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 23 of 41 4 2 Module Pin out table Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Pin Pin name Pin type Signal level Function J30 GND Gnd RF Ground connection for external antenna J29 Ext_Antenna RF RF T O connection to external antenna J28 GND Gnd RF Ground connection for external antenna J27 GND Gnd Ground J26 GND Gnd Ground J25 VDD Power Digital and Radio part power supply pin J24 CTS I TTL Clear To Send J23 RESET I TIL uC reset Active low w
20. ioning of the final product therefore care has to be taken to the external components of the module as well as of any project or installation issue because the risk of disturbing the GSM network or external devices or having impact on the security Should there be any doubt please refer to the technical documentation and the regulations in force Every module has to be equipped with a proper antenna with specific characteristics The antenna has to be installed with care in order to avoid any interference with other electronic devices and has to guarantee a minimum distance from the body 20 cm In case of this requirement cannot be satisfied the system integrator has to assess the final product against the SAR regulation The European Community provides some Directives for the electronic equipments introduced on the market All the relevant information s are available on the European Community website http ec europa eu enterprise sectors rtte documents The text of the Directive 99 05 regarding telecommunication equipments is available while the applicable Directives Low Voltage and EMC are available at http ec europa eu enterprise sectors electrical lelit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 9 Glossary ACP Adjacent Channel Power AFA Adaptive Frequency Agility bps Bits per second BW Bandwidth dB Decibel dBm Power level in decibel milliwatt 10 log P ImW E PROM Electrically
21. ith internal pull up J22 RTS O TIL Request To Send J21 RXD I TIL RxD UART Serial Data Reception J20 GND Gnd Ground J19 TXD O TIL TxD UART Serial Data Transmission J18 STAND_BY I TIL Standby Active high with internal pull down when set to 1 the module is put in stand by J17 GND Gnd Ground J16 PROG I TTL Signal for serial uC flashing Active high with internal pull down J15 GND Gnd Ground J14 PDI DATA T O TIL Program and Debug Interface DATA J13 GND Gnd Ground J12 GND Gnd Ground Jil GND Gnd Ground J10 PDI_CLK I TTL Program and Debug Interface CLOCK J9 109 vO TTL Digital I O N 9 with interrupt Status TX RX O TTL See reference document 7 Star Network Protocol Stack User Guide J8 108_AD_DA vO analog A to D and D to A I O N 8 with interrupt Logic I O capability ACK TX O TTL See reference document 7 Star Network Protocol Stack User Guide J7 IO7_A VO analog Analog Input N97 Logic I O capability J6 IO6_A VO analog Analog Input N96 Logic I O capability J5 IO5_A VO analog Analog Input N95 Logic I O capability J4 IO4_A VO analog Analog Input N94 Logic I O capability 1 2 In case you want to use in the same application Telit ZE51 or ZE61 modules J9 and J8 should not be connected since reserved on these modules Reproduction forbidden without written authorization from Telit Comm nicatiais S p A All Rights Reserved Ce Page 24 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 20
22. ith preloaded protocol stack x Product name Stack functionality L LE70 868 Star Network N NE70 868 Low Power Mesh xE70 868 is pin to pin compatible with LE NE and ME modules working at different frequencies in particular xE50 868 xE70 868 is also pin to pin compatible with Telit ZE Family ZigBee 2007 and ZigBee PRO stack 1 3 Audience This document is intended for developers using Telit xE70 868 radio modules 1 4 Contact Information Support For general contact technical support to report documentation errors and to order manuals contact Telit Technical Support Center TTSC at TS SRD telit com TS NORTHAMERICA telit com TS LATINAMERICA telit com TS APAC telit com Alternatively use http www telit com en products technical support center contact php _ a Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 7 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 For detailed information about where you can buy the Telit modules or for recommendations on accessories and components visit http www telit com To register for product news and announcements or for product questions contact Telit Technical Support Center TTSC Our aim is to make this guide as helpful as possible Keep us informed of your comments and suggestions for improvements Telit apprec
23. ll down resistor Gee table in chapter 4 2 Pin out af 1 the module far IO functionalities m Ta obtain 5 Ohm AF tracks must fallow recommendatians in chapter 6 4 Antenna connection on printed circuit boards ANTI Anionna B BMHz R3 GR 7 13 d d TELIT RF Technolog ies E El FAU Bauer ES Bat D Rue lo is 06410 SOPHIA ANTIPOL IS A CREATION DU SCHEMA FG 2012 11 21 Full PC Connection IND MODE Nom Date with xE70 868 5MD TYPE NUMERO DU DOCUMENT ND PAGE APPLICATION EXAMPLE 5CH PIl2 SCH 3 D e Reproduction forbidden without written authoriz ation from Telit Communications S p A All Rights Reserved Page 35 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Example of minimum connections for communication between a PC and xE70 868 SubD 9 pts nl CID Female Connector Z r mv SP3223EEA L suu faz US PDI_DATA B LE70 858 5MD WAyseau bes END END END R el w al ANT3 Antenna B68WHz TELIT RF Technologies Emerald Square Bai D Fue Everiste Galois t t l 2812 11 21 DATE Comments 86410 SOPHIA ANTIPOLIS A CREATION DU SCHEMA FG PC Minimum Connection ml MODIF nom with xE70 8658 5MD TYPE NUMERO DU DOCUMENT IND APPLICATION EXAMPLE SCH Pl2Z 5LH H3 Reset has i
24. nic components serial RS232 DC DC Converter Display Ram bus must be placed as far as possible from the xE70 868 module A CAUTION A particular attention must be put on power supply DC DC converter due to switching frequency that generates spurious into the receiver band It can strongly decrease module performances It is then recommended to put a metallic shield covering DC conversion function e Switching components circuits especially RS 232 TTL interface circuit power supply must be decoupled with a 100 uF low ESR tantalum capacitor And the decoupling capacitor must be as close as possible to the noisy chip 6 2 Power supply decoupling on xE70 868 module The power supply of xE70 868 module must be nearby decoupled A LC filter is strongly recommended in case of DC DC conversion It must be placed as close as possible to the radio module power supply pin VDD Power Supply O O Vaa C1 C2 For example Symbols Reference Value Manufacturer LI LOH32CN1R0M33 1uH Murata C1 GRM31CF51A226ZE01 22uF Murata C2 Ceramic CMS 25V 100nF Multiple L1 must be chosen carefully with very low serial resistance ESR in order to limit voltage drop r D EE e LA a ES gier Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 32 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 6 3 RF layout
25. nternal pull up resistor no connection needed Wakeup has internal pull down resistor no connection needed Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Example for sensor connection with xE70 868 2pis Sirabht 2xAA type battorios for supply WAKEUP im d END 4a GND DI L a A3 PCS 122 v 10B_A mei 107_AD_DA END wiel al w 0D_AD_DA GND 108 DEE Example user Panic button R4 Swi K i Push Button ANTZ Anienna GBBMHr Camments Reset has internal pull up resistor Wakeup has internal pull down resistor IO7_A is logic input ouput to Vdd with interrupt IO3_A amp I04_A are analog inputs 12 bits precision TELIT RF Technologies Emerald Square Bai D Pue Evmrisie Gn lois D5410 SOPHIA ANTIPOLIS A CREATION DU SCHEMA FG 2812 11 21 Thermostat example ND MODIF now DATE with xE7B BBB SMD TYPE NUMERO DU DOCUMENT IND PAGE FT APPLICATION EXAMPLE SCH Pl2Z 5LH H3 3 3 A4 Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 37 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 7 Declaration Of Conformity EC DECLARATION GF CONFORMITY Telit Eammuniesein s Sp NI Ga 1 LE70 868 ME70 848 NETC 858 product name 2 Telit Communications S o A Jee Se lliatta S S 195 Km 2
26. olutions xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Process Information Delivery xE70 868 modules are delivered in plastic tray packaging each tray including 50 units The dimensions of the tray are the following 329 mm x 176 mm x 5 6 mm Each unit is placed in a 26 6 mm x 16 mm location An empty tray weights 45 g and a loaded tray weights around 130 g Scrltta basserilieso Pref 0 3 mm 40 2 D ee dwed Best Rights Reserved Page 28 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 O22 Storage The optimal storage environment for xE70 868 modules should be dust free dry and the temperature should be included between 40 C and 85 C In case of a reflow soldering process radio modules must be submitted to a drying bake at 60 C during 24 hours The drying bake must be used prior to the reflow soldering process in order to prevent a popcorn effect After being submitted to the drying bake modules must be soldered on host boards within 168 hours Also it must be noted that due to some components xE70 868 modules are ESD sensitive device Therefore ESD handling precautions should be carefully observed 0 3 Soldering pad pattern The surface finished on the printed circuit board pads should be made of Nickel Gold surface The recommended soldering pad layout on the host board for the xE70 868 module is shown in the diagram below ZEZ CES All
27. planar line W mm Coplanar line G mm 0 8 1 0 22 FR4 1 6 1 0 23 Table 2 Values for simple face PCB with ground plane around coplanar wave guide not recommended Reproduct e ve DEE UN ion forbidden without written authorization from Telit Communications S p A AU Rights R Page 34 of 41 eserved Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 6 5 xE70 868 Interfacing Example of a full RS 232 connection between a PC or an Automat PLC and xE70 868 Ht iM ci vel 22an F e e cze vi mv c2 END C6 cer 5P3223EEA L er vee Je SubD 9 pts vec Female Connector P u e E Ics our E per DD 25v RRR RR PRP 88848a888 StandBY On Off 8 vec Micro switch aw P Flash On Off rag as in Wi gt in H wa eu o 3 Mere swlich z e lero swlicl 02 lt la m2 8 eno l swa yer D 2 03 4 lt gt EE EN S m D m e maea lm D wo 5 2 Sor PBLBATAR LD3 06 4 lt gt sA o not My LE TE7K H2KI 24 Green lD7 AC I7_AD DA GND m l R21 108 AD DA El DE GND _ O aa COMMENTS DB lt gt l ms a FELD T C b 5 xE7 868 firmware reflashing is possible 8 5 when switch SW3 PrngFlash is ON at Power up e e e LD3 blinks briefly at power up Reset pin has an internal pull up resistor Wakeup pin has an internal pu
28. se refer to Protocol Stack User Guides 7 8 for detailed information Temperature Operating Range Minimum _ Typical Maximum Unit Operating Temperature 40 25 85 S Relative humidity 25 C 20 75 Storage Temperature 40 25 85 C Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 12 of 41 wireless solutions xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 3 4 Mechanical Specifications Rectangular 25 8 x 15 mm 3mm 17g 0 8 mm Mounted above SMD components for EMI reduction and automatic placement e Dimensions 25 x 14 2 x 2 2mm e Thickness 200um All SMD components on one side of the PCB Suitable for RoHS reflow process e SMD e LGA on the 4 external sides 30 l Rights Reserved Page 13 of 41 d Reproduction forbidden without written authorization from Telit Communications S p A Al Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 3 4 1 Mechanical drawing Bottom view F Side view Leg ee i 2 20 Top view 15 00 14 20 8 00 2 50 Side view V Reproduction forbidden without written alithariaatiin from Telit Communications S p A AU Rights Reserved Page 14 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 3 0 DC Specifications Measure
29. ssseiiisssieriiserirserireririssrrnreerreere 26 Fa 5 4 a Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 5 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 4 amp 5 Signals E ee EE 27 5 Process Inrormatiol aia cect sek ringin Yd Geen 28 Salke BLU E 28 Ge TEE 29 5 3 Soldering pad pattern EE 29 GE E 30 Sc fas ne 30 5 6 Soldering Profile RoHS Process uu dietS eierbet de eieiei eene 30 6 Board Mounting Recommendation AAR 32 CN HN Seege EE ER 6 2 Power supply decoupling on xE70 868 module YY FYRR Y nYneo 32 6 3 RF layout considerations uuig GA A RWYN AAG AA eee 33 6 4 Antenna connections on printed Circuit boardS Y YY YY YL YL Ynneneo 34 Boh dp EE EE HWFA RA A FFA FR TH NN 35 72 Declaration HEED Eesgeegege EA EE Eer geEeeehe 38 8 Safety Recommendations EE 39 Fo Glossary EE 40 10 Document History EE 41 KEEN Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 6 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 1 Introduction 1 1 Scope Scope of this document is to present the features and the application of the Telit xE70 868 radio modules 1 2 xE70 868 Product Description The xE70 868 module is a multi channel radio board delivering up to 500mW in the 868 MHz ISM band unlicensed freguency band It is delivered w
30. t a Ts max to Tp Preheat Temperature Min Ts min 100 C 150 C Temperature Max Ts max 150 C 200 C Time ts min to ts max 60 120 seconds 60 120 seconds Time maintained above Temperature TL 183 C 221 C Time tL 35 90 seconds 45 90 seconds max Peak Temp 260 C ime within 5 C of actual Peak 10 30 seconds perature tp 4 C second max ime 25 C to Peak Temperature Minimum Solderjoint Peak Temperature 235 C 10sec Note 1 All temperatures refer to topside of the package measured on the package body surface Tp Critical Zone IT tc Tp a Temperature gt Preheat 25 cc 25 C to Peak Time gt gt The barcode label located on the module shield is able to withstand the reflow temperature after the reflow operation a solder mask must be used in order to protect the xE70 868 CAUTION It must also be noted that if the host board is submitted to a wave soldering radio module s metal shield from being in contact with the solder wave Reproduction forbidden without written a thorizati n from Telit Communications S p A All Rights Reserved Page 31 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 6 Board Mounting Recommendation 6 1 Electrical environment The best performances of the xE70 868 module are obtained in a noise free environment Some basic recommendations must be followed e Noisy electro
31. w No part of the software or documentation may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means without prior written permission of Telit High Risk Materials Components units or third party products used in the product described herein are NOT fault tolerant and are NOT designed manufactured or intended for use as on line control equipment in the following hazardous environments requiring fail safe controls the operation of Nuclear Facilities Aircraft Navigation or Aircraft Communication Systems Air Traffic Control Life Support or Weapons Systems High Risk Activities Telit and its supplier s specifically disclaim any expressed or implied warranty of fitness for such High Risk Activities Trademarks TELIT and the Stylized T Logo are registered in Trademark Office All other product or service names are the property of their respective owners Copyright Telit Communications S p A Fa D p Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 4 of 41 Telit xE70 868 RF Module User Guide 1vv0301037 rev 4 2014 7 22 Contents Ta Tu e edu i desondra NAF EF NA AF ER EA FF MW RF FF HF NW YW 7 NNEN 7 1 2 xE70 868 Product Description E 7 1 3 cT m E Rn Eee PAEDR EE A errr e ne eee 7 L Contact Information Support LA LAW AA LN
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