MHN200 User Manual
Contents
1. The screen contains the following details Table 12 Fields in Virtual Server Field Description Virtual Server To enable or disable the virtual server IP Address To enter the IP Address of a specified local machine Public Port To assign a specific port number to route the packets Private Port To assign a user setting or specific port number to route the packets Protocol To assign protocol type of the packets Comment To add a comment e Click Apply at any time during configuration to save the information that you have entered e _ Click Reset to undo any changes 17 6 Administration You can view the Administration link on the left navigation pane Followings are the options available under System e Management e Upgrade e Settings e Manual 6 1 Management To change user ID and the password for the administrator click Management link A screen is displayed as shown in Figure 11 Figure 11 System Management M N YU LANGUAGE SETTINGS Open all Close all Select Language English gk MHN 200 EN Internet Apply Cancel iy WI FI H g Firewall ADMINSTRATOR SETTINGS E E Administration j a y _ eni E Upgrade L 7 a Lan Manual Apply Cancel GENERAL SETTINGS Shut off LCD display after 2 minutes Go to sleep mode when I ve been inactive for 1 minutes Ap2. e WPA PSK e WPA2 e WPA2 PSK e WPAPSKPA2PSK e WPA1WPA2 e 802 1X WPA 14 WPA Algorithms Select TKIP AES or TKIPAES Pass Phrase Input Pass Phrase also called Password or Key Key Renewal Interval Key Renewal Interval time ACCESS POLICY Select Disable to de activate the Access Policy select Allow to allow Policy specific device s to connect to the mobile hot spot select Reject to prevent specific device s from connecting to the mobile hot spot Space to enter the MAC address of a device that is allowed to connect to Add a station MAC Address the mobile hot spot Multiple MAC addresses may be entered by clicking the Apply button one after another e _ Click Apply at any time during configuration to save the information that you have entered e _ Click Cancel to undo any changes The following table shows the availability of various combinations of Wi Fi security parameters depending upon the authentication type and encryption type chosen Table 10 Availability of Wireless Security Features 15 5 Firewall You can view Firewall link on the left navigation pane Following are the options available under Firewall e _ Port Forwarding e Virtual Server 5 1 Port Forwarding To configure Port Forwarding click Port Forwarding link A screen is displayed as shown in Figure 9 Figure 9 Port Forwarding M o The maximum rule count is 32 FORWARDING SEITING Ope
3. given a positive opinion that the product described is in conformity with the essential requirements Article 3 2 of R amp TTE Directive 1999 5 EC TIMCO ENGINEERING INC Designated as a U S This Opinion is issued under the provision that TIMCO P O BOX 370 CAB by NIST National Engineering Inc nor its subsidiary companies accept any NEWBERRY FL 32669 Institute of Standards and Hability concerning the contents of this document other than www timcoengr com Technology forced by law An agency of the U S Reproduction of the Opinion with Annex in full is allowed Commerce ATA of parts of this IS 22 mdd gta SD y F yn be mc A Fy i ESES CETA re br A ANS As A A a i gt N gt A taza A lt ho a rt Fad ct atin a 4 4 S lt m A A J gt as a e a Wr gt R gt k gt cc 4 da AS on ce EA NW Wm Z Jep o z 2 TCF 622KC13 a Date April 19 2013 LUNI LI 154115 ms FS a aa J E2 A LS AU BS cw TM EREN 7 i 7 Ma y Wa SU o ud Pi B 23
4. hot spot to avoid interference So each mobile hot spot has a unigue SSID such as Net1 M 90 1234 If Wi Fi is connected ping to mobile hot spot s LAN IP address default 192 168 0 1 If ping is not OK check if SSID is correct and if Wi Fi security is configured If ping is OK refer to below Section 8 2 2 8 2 2 Check CDMA Check whether the Received Signal Strength Indicator icon Tull is displayed If Received Signal Strength Indicator icon is not displayed check if the retractable antennas are fully pulled out or check the status of PPP If WWAN data call connection status icon F is displayed PPP connection is established If not please check other configurations on the Web Ul or network configuration of your client device 21 9 CE Certificate ENGINEERING Inc R amp TTE DIRECTIVE eg Conformity assessment procedure Article 10 4 and Annex IV gt PRODUCT DESCRIPTION Manufacturer Address 504 6F Glass Tower 366 4 Yatap dong Bundang gu Seongnam si Gyeong qu NS NAAA ALAS 2 dL Model Type Designation MHN200 O 4 TECHNICAL CONSTRUCTION FILE Q Applicar GI 4504 6F Glass Tower 366 4 Yatap dong Bundang gu Seongnam si Gyeonggi do 463 070 Korea Joonsug RIES it cc April 19 2013 IFES TCF 622KC13 Ts aaa EEO THIS STATEMENT OF OPINION HAS 1 ANNEX Based on the evidence presented in the Technical Construction File TIMCO Engineering Inc as appointed Notified Body number 1177 has
5. of battery Current software version of mobile hot spot Current CDMA Modem version Current CDMA Modem ESN Electronic Serial Number INTERNET Data call connection status IP address of WWAN interface Subnet mask of WWAN interface IP address of Gateway IP address of the Primary DNS server IP address of the Secondary DNS server LOCAL NETWORK Local IP address of LAN Device hardware address 3 Internet You can view Internet link in the left navigation pane Followings are the options available under Internet e _ Network Information e _ LAN Settings e Clients List e CDMA Settings 3 1 Network Information To get information of Network click Network Information link A screen is displayed as shown in Figure 3 The screen is refreshed every 15 seconds Figure 3 Network Information re MU A it Open all Close all A MHN 200 T UT EVDO emm M popa Packet State State Active in a HDR Active in a HDR system si Ear __________ ff LAN Settings E GE id Clients List Total DRC DRC 6 1 61Mbps z ho CARRIER 1 aa a a Firewall channel 225 Administration 79 CARRIER 2 o N DRC 3072 0 Kbps CARRIER 3 N Un Channel i D LJ un PJ DRC 1536 0 Kbps The screen contains the following details Table 4 Fields in Network Information Field Description NETWORK Service information can be e No Service e 1X i
6. wireless router Frequency Channel Select 1714 or AutoSelect from the pull down menu Auto Selected Frequency If AutoSelect is used this field displays the current channel 13 Rate Specify the channel bandwidth e _ Click Apply at any time during configuration to save the information that you have entered e _ Click Cancel to exit from this page without saving the changes 4 2 Security To configure the Wi Fi Security click Security link A screen is displayed as shown in Figure 8 Figure 8 Wireless Security Neti M 90 3893 Open all Close all L Security Mode WPA2 PSK hal d MHN 200 El lm WI FI E Settings WPA Algorithms CO TEIP SAES OTKIPAES Security H B Administration 3600 seconds 0 4194303 Key Renewal Interval ACCESS POLICY Disabled v Apply Cancel Policy l The screen contains the following details Table 9 Fields in Wi Fi Security Field Description Net1 M 90 3893 3893 is an example Used to specify the WLAN security mode e Disable No security mode Disabled mode is the default setting e OPENWEP Enables your client adapter to authenticate and communi cate with the mobile hot spot e SHAREDWEP e WEPAUTO Wired Eguivalent Protocol WEP is a standardized and widely used data encryption method that can make wireless networks as Security Mode secure as wired networks e WPA
7. EDMA IXEVDO REV B MOBILE HOT SPOT User s Manual Version 1 2 April 2013 Table of Contents TABLE OF CONTENTS LL YO O O I a I Y a RY A FR FA YH 2 LIN TRODU CTO Ni 4 AL Package COn tada 4 14 2 Mobile Hot Spot Interlac S A YO OA O inci O UO y DG 4 uc el Meet HUD r _ lt _ _ RR WP HF RR A HR NY FEN 5 TABA ten TIM a 5 Eo DISplay Messages adds 5 WePGcWwer Burton ED Colors ue ne de Du NO das ga we UC CN EOG Ods Y YO A GO FM OO Cy 5 L7 Technical Speclicauolnl aa i AU E Gu dd a UE Ci y cios 6 2 GETTING STARTED an Rai GYNYG snes A 7 2r togene onto tne WO la 7 22 COMMBURATION MenU A a a a a r EN 7 ZION Y HN A E A FFY HRN REF FR FYR FN NR NYTH RO WYN AF 8 3 INTERNET ene a i GO dn E de O Ci dda 9 SL Network Tn Gridiau eL de bra atest do e Sa 9 2 2 LAN SOU dd 10 O DO 11 3A COMA SEUNG isa 12 A WV a FR RR FE TY YF FFY RY ES FN ES EFRYDIAU HO T 13 A YT SF FF GRAC FR YCS 13 eM oe seis satis ine cates a 14 Ss FIREW ALL sa Rd Y CC DF 16 SL POE ORA ardd Y FR FF CY GAD YF GG Y NA GG FF 16 5 2 VIRTUAL SOLVER ce a GR OO GEG GORN ce onbaadeasivanseuarsnadan aden YNO GaG 17 o ADMINISTRATIO NA rd RE LEARN OA cade labia ss ddueswussiusatin ER AR GOG EUi a 18 IVINS ement ee ea GON ld 18 62 Uperad 6 nen ee ee a dada 19 A ND FEDD oceanside 19 ed Vel A CO rr RW RH TR WY HR HR RARO 19 7 DEFAULT CONFIGURATION assistance i DOR GYDA ORR GON DUO a Ei 20 JO UAD 1 RES O PRIOR NA DDOE 20 7 2 U
8. and Channel To configure the Wi Fi interface click Settings link A screen is displayed as shown in Figure 7 Figure 7 Wireless Settings j net 1 open all close all Wireless Network Network Mode 11b g mixed mode Net1 M 90 H B Internet Network Name SSID Neti M 90 0788 B WI FI Settings l Security B Firewall H B Administration Auto Selected Frequency Channel 3 BSSID 64 62 23 00 03 14 Frequency Channel AutoSelect Rate Auto Apply Cancel The screen contains the following details Table 8 Fields in Wi Fi Settings Field Description Choose a mode from the pull down menu Make sure that you have the equip ment that supports selected mode As you re looking for products in stores or on Network Mode the internet you might notice that you can choose equipment that supports five different combinations of Wi Fi networking technologies 802 11b g n Mixed 802 11b g Mixed 802 11b and 802 11g Specify the network name Each Wireless LAN network uses a unique Network Name to identify the network This name is called the Service Set Identifier SSID When you set up your wireless adapter you specify the SSID If you want to connect to an existing network you must make up your own name and use it on each computer The name can be up to 17 characters long and contain letters and numbers Default name is the mobile hot spot s S N Network Name SSID BSSID MAC address of this
9. ce M Service Mode e EVDO in network Rev O e EVDO in network Rev A e EVDO in network Rev B Shows the service mode which can be e Hybrid Mode Preference i iv Only e EVDO Only Packet State Current packet state of modem Carriers Current count of assigned multi carrier Total DRC Total network assigned data rate of carriers CARRIER Channel Current CDMA channel number RSSI RSSI value Unit dBm The bigger the number is the weaker the re ceived signal is 255 Oxff means no signal Eclo Current signal level Unit dB PN Pilot PN of current CDMA network cell DRC Data rate of each carrier 3 2 LAN Settings To configure LAN settings click LAN Settings link A screen is displayed as shown in Figure 4 Figure 4 LAN Settings net 1 LAN INTERFACE SETUP Open all Close all IP Address 192 1688 o 1 MHN 200 E jy Internet Subnet Mask 255 255 255 o Network Information a LAN Settings MAC Address G4 62 23 99 90 15 ho EL Clients List Tn f DHCP IP Range 192 1688 o 10 109 o Se CDMA Settings E WI FI Mm DHCP Lease Time 86400 Seconds H g Firewall H B Administration Apply Cancel The screen contains the following details Table 5 Fields in LAN Settings 10 Field Description IP Address Current local IP address If changed you should re
10. connect mobile hot spot Subnet Mask Current subnet mask You can change according to IP class MAC Address Shows the mobile hot spot hardware address DHCP IP Range Current DHCP IP range You can increase accessible user count DHCP Lease Time Current DHCP lease time of allocated DHCP IP address e Click Apply at any time during configuration to save the information that you have entered e Click Cancel to exit from this page without saving the changes Caution e _ f you have changed the local IP address of mobile hot spot you must input the new IP address in the address field of your browser in order to access the Web Ul e _ f the old and the new IP addresses of mobile hot spot belong to different subnets for example if the old address is 192 168 0 1 and the new address is 192 168 1 1 then IP addresses of computers con nected mobile hot spot will also change In this case you should refresh the IP address of your com puter in the Windows Network Connections or simply disconnect your computer from mobile hot spot and then re connect again 3 3 Clients List To view the Clients List click Clients List link A screen is displayed as shown in Figure 5 Figure 5 Clients List net 1 Open all Close all IP Address MAC Address 192 168 0 100 98 53 2E 2B F8 59 il MHN 200 I Internet E Network Information E ie LAN Settings Clients List e CDMA Settings CH ay WI FI i Firewa
11. e 2 Configuration Pages The configuration menu for mobile hot spot is show on the left side of the homepage It allows you to configure functions like Internet Wi Fi etc Each link is found under the top directory The fol lowing modules are displayed in the left navigation pane e Internet e Wi Fi o Firewall e Administration 2 3 Overview The mobile hot spot Web UI is displayed as shown in Figure 2 The screen is refreshed every 30 seconds Figure 2 Web Ul Homepage net 1 Open all Close all Device Name gk MHN 200 SYSTEM Net1 M 90 3907 Battery Level 68 EW E Ey Internet PE s alt Firmware Version VER 1 04 61 Feb 05 2013 15 31 32 H a WI FI at Fe Firewall CDMA Version q6695 SWE 3134 Feb 05 2013 05 46 43 EI Administration Modem ESN 12345678 Connection Status WAN IP Address Subnet Mask Default Gateway Primary DNS Secondary DNS INTERNET Connected 46 230 221 112 255 255 255 255 178 72 0 64 213 248 100 54 _ 209 95 129 122 LOCAL NETWORK Local IP Address MAC Address The screen contains following details Table 3 Fields in the Homepage 192 168 0 1 64 62 23 99 90 23 Field Description Device Name Battery Level Firmware Version CDMA Version Modem ESN Connection Status WAN IP Address Subnet Mask Default Gateway Primary DNS Secondary DNS Local IP Address MAC Address SYSTEM Current SSID of Wi Fi interface Current level
12. en IP Address RA 20 Ro WED Sen cl A a GG NUN 20 TASA uu i MA A to sens a Gare adn AU MIS A San dg nd NA MU AR GL Ru NAU ML Na au 20 LS PPP TIm O ua y ONC o laa 20 8 TROUBLESHOOTING Y Lu HR AR A FA FA HI 21 8 1 forgot Login ID and Password forgot IP address after changing IP address cccccccccccnnnnnnnnnnnnnancncnnnn 21 32 cannotconnectto the ntennetei ak i i ai NN MU nn GO IS O a 21 9 8 Ecs 6 NR O AAA HA I I RY Y NT Y RH RY A IR 22 Preface This manual describes the Web User Interface of the mobile hot spot This document provides a complete guide to configure and use the mobile hot spot Audience Target audiences are the customers who configure and administer the mobile hot spot This manual makes it easier for the customers to enhance the offerings or to customize the mobile hot spot to their own services Typographic Conventions This manual uses the following conventions Table 1 Typographic Conventions Item Convention Keys Boldface Field Names Boldface Screen Names Boldface Screen Elements Boldface Acronyms This manual uses the following acronyms Table 2 Acronyms Acronym Meaning LAN Local Area Network IP Internet Protocol WAN Wide Area Network WWAN Wireless Wide Area Network SSID Service Set Identifier DNS Domain Name Server RSSI Received Signal Strength Indicator DRC Data Rate Control DHCP Dynamic Host Configuration Protocol BSSID Basic Service Set Identifier WPA Wi Fi Pr
13. f status Battery level Battery charging indicator while charging Description 3 5 hours while using in good signal status 8 hours 3 5 hours from empty to full charge with power off 5 hours with power on Description Operator name displayed while booting SSID displayed when entering into normal operation 1234 is an example Displayed when mobile hot spot could not find the CDMA network Wi Fi key displayed when user short press the power button 12345678 is an example Displayed when mobile hot spot is trying to make a data call Displayed when mobile hot spot successfully made a data call Displayed when mobile hot spot fails to make a data call 1 6 Power Button LED Colors Color Mode Blinking Red Steady on Blinking Blue Steady on Blinking Purple Steady on Status Low battery below 10 No service Trying to connect to the CDMA network Connected to the CDMA network and in service state Waking up from the power saving Stand by mode Power saving Stand by mode 1 7 Technical Specifications Parameters Size Weight Battery Type Operating Temperature Storage Temperature Humidity Stand by Time Usage Time Adaptor Input Adaptor Output Specifications 54 5 x 103 2 x 17 2mm 110g 3 7V Polymer 20 to 70 C 30 to 80 C 85 Non condensing 8 hours 3 5 hours 100 240VAC 50 60Hz 0 15A 5VDC 1A 2 Getting Started This section explains how to configure the mobile hot spot us
14. ing the Web User Interface Web Ul provided This document assumes that you already have the mobile hot spot and are now ready to do the configuration i e power on connected to the CDMA network Wi Fi on etc You need to use the administrator right to configure all the options available on the Web UI First you type in the following URL into the web browser on your client device connected to the mobile hot spot http 192 168 0 1 2 1 Logging on to the Web Ul To log on to the mobile hot spot Web Ul you must have a valid user name and password The user name and the password can be changed using Web Ul When you log on to the mobile hot spot Web Ul the USER LOGIN win dow is displayed as shown in Figure 1 Figure 1 Web Ul Login window iexplore The server 192 168 0 1 at Cellient requires a username and password Warning This server is requesting that your username and password be sent in an insecure manner basic authentication without a secure connection admin A a Remember my credentials Cancel e _ Enter your User ID in the User text box For an admin user the default User ID is admin e Enter your password in the Password text box The default password is admin e _ Click OK to begin the configuration or click Cancel to exit from this setup 2 2 Configuration Menu The Homepage is the first screen displayed when you log on to the mobile hot spot Web UI as shown in Figur
15. ll mg Administration The screen contains the following details Table 6 Fields in Clients List Field Description IP Address IP address of Client MAC Address MAC Address of Client 11 3 4 CDMA Settings To configure CDMA parameters click CDMA Settings link A screen is displayed as shown in Figure 6 Figure 6 CDMA Settings a et 1 ii i i 3G CONFIGURATIONS Open all Close all Dial Number 777 gk MHN 200 be Network Information E a none ll Clients List CDMA Settings Apply Cancel i WI FI H B Firewall H gg Administration The screen contains the following details Table 7 Fields in CDMA Settings Field Description Dial Number Dial Up number for CDMA data call Username Username for CDMA data call Password Password for CDMA data call e _ Click Apply at any time during configuration to save the information that you have entered e _ Click Cancel to exit from this page without saving the changes 12 4 Wi Fi You can view Wi Fi link in the left navigation pane Followings are the options available under WI FI e _ Settings e Security Caution e After changing any of the Wi Fi settings you must normally reconnect over Wi Fi in order to access the Internet and the Web UI 4 1 Settings You can configure basic Wireless Settings for communication such as Network Name SSID
16. n all Close all Disabled Disabled v a gk MHN 200 H B Internet AT Ee fa WI FI IP Address I i Firewall l Port Forwarding Port Range JE Virtual Server ae Apply Reset CURRENT PORT FORWARDING IN SYSTEM No IP Address PortRange Protocol Delete Selected Reset i ii The screen contains the following details Table 11 Fields in Port Forwarding Field Description Forwarding To enable or disable the port forwarding IP Address To enter the IP Address of a specified local machine Port Range To assign a range of port or specific port number to route the packets Protocol To assign protocol type of the packets Comment To add a comment e _ Click Apply at any time during configuration to save the information that you have entered e _ Click Reset to undo any changes 16 5 2 Virtual Server To enable Virtual Server click Virtual Server link A screen is displayed as shown in Figure 10 Figure 10 Port Forwarding net 1 Open all Close all The maximum rule count is 32 VIRTUAL SERVER SETTING g MHN 200 mee ES H B Internet 0 08 WI FI IP Address I B Firewall Em Port Forwarding Public Port E Virtual Server HS Apply Reset virtual Server CURRENT VIRTUAL SERVERS IN SYSTEM IP Address Public Port Private Port Delete Selected Reset
17. otected Access WEP Wired Equivalent Protocol PPP Point to Point Protocol NAT Network Address Translation 1 Introduction 1 1 Package Contents e Mobile Hot Spot e Power Adapter e Car Charger e Quick Guide o Battery 1 2 Mobile Hot Spot Interfaces E A B F G H C D U A Antenna Sub antenna for diversity B Display OLED display for CDMA and hot spot status icons and messages C Power button Power on off by pressing for more than 3 seconds Also a status indicator by 3 color LED D Power adaptor connection Connector for battery charging Only use the USB cable and the 5 0 volt power adaptor and car charger supplied in the package box E Antenna Main Antenna F External antenna connection Connector for an external antenna for poor signal area G Battery cover H Battery Removable battery Li lon 2000mAh I Reset button Push button to automatically power down the mobile hot spot when pressed for more than 2 seconds and released After re powering on the configuration is restored into the factory default value 1 3 Display Icons Icons Tull w 8 hh 1 4 Battery Time Conditions Continuous use Stand by Charging 1 5 Display Messages Messages Net1 Net1 M 90 1234 No Service 12345678 CONNECTING CONNECTED CONNECTION FAIL Description Strength of the CDMA signal levels O 6 Internet data call connection status No service status Wi Fi on of
18. ply Cancel This menu does not add new user but makes user ID and the password change Only 1 administrator is available on the mobile hot spot The screen contains the following details Table 13 Fields in Administrator Settings and General Settings Field Description ADMINISTRATION SETTINGS Account A new name which will be used to access the Web UI Password A new password which will be used to access the Web Ul GENERAL SETTINGS Shut off LCD display after 2 minutes Time for automatic display shut off Time for going into the sleep mode when Go to sleep mode when I ve been inactive for 1 minutes ie there are no devices connected over Wi Fi 18 e _ Click Apply at any time during configuration to save the information that you have entered e _ Click Cancel to undo any changes 6 2 Upgrade To upgrade the system firmware click on the Upgrade link A screen is displayed as shown in Figure 12 Figure 12 Firmware Upgrade o uu It takes about 30 seconds to upgrade firmware Caution A LAS all corrupted image will hang up the system fig MHN 200 H y Internet UPDATE FIRMWARE Sg WI FI Location Browse D Firewall E B Administration a Management Apply e i Upgrade Settings i Manual After choosing a system firmware file click A
19. pply to start the firmware upgrade 6 3 Settings To update the system configuration or to get the current configuration click Settings link A screen is dis played as shown in Figure 13 Figure 13 Configuration Setting net 1 Open all Close all EXPORT SETTINGS Export IMPORT SETTINGS gk MHN 200 H y Internet H B WI FI H B Firewall Settings file location Browse El Es Administration Management Import Cancel ast Upg ra de ve Settings LOAD FACTORY DEFAULTS i E Manual Load Default Click Export to save the current configuration to a file Click Import to load configuration from a file Click Browse to select a specified file name to change the configuration Click Load Default to go back to factory default settings In this case you lose all your own settings 6 4 Manual The link to view this User s Manual 19 7 Default Configuration 7 1 Hostname SSID Net1 M 90 1234 _ ME OLED display or the label inside the battery cover 1234 is an example Security mode WPA2 PSK Click button and see the Display LCD or label Rail FEDD 12345678 is an example 7 2 User IP Address IP Address 192 168 0 100 192 168 1 109 Default Gateway 192 168 0 1 DNS Server Network assigned DNS ser
20. ver 7 3 Web Server IP Address 192 168 0 1 Username admin Password admin 7 4 Other Settings DHCP server Enabled NAT Disabled MODEM PPP Automatically Started Note User can connect through Wi Fi get IP address default gateway and DNS server address and can use internet without any more configuration 7 5 PPP Information Access ID cdma Password cdma Authentication chap pap Dial Number 777 20 8 Troubleshooting 8 1 forgot Login ID and Password forgot IP address after changing IP address Use your mobile hot spot after restoring the configuration into factory default value How to restore the configuration e _ Press reset button for more than 2 seconds and release in normal status e User can see Power Button LED is blinking e After about 15 seconds mobile hot spot is automatically turned off e When re powered on you can see the configuration is changed to the factory default value on Web Ul Caution Please make sure mobile hot spot has enough battery level when factory resetting is performed 8 2 I cannot connect to the Internet User should check the displayed icons and messages If Received Signal Strength Indicator icon Tull is not displayed please refer to below Section 8 2 1 Check whether Wi Fi icon is displayed 8 2 1 Check Wi Fi Check if the Wi Fi icon F is displayed If the Wi Fi icon is on connect to the mobile hot spot by correct SSID SSID value is different for each mobile
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