MS27102A Remote Spectrum Monitor Product Brochure
Contents
1. GSM 1800 1710 1785 MHz 1805 1880 MHz DECT 1880 1900 MHz spectrum probes are used to UMTS 1900 2025 MHz 2110 2200 MHz p P ISM 2 4 2 5 GHZ ae El sb y He eran Radio band 400 MHz 3 GHz recor ing spec ral histories as a a function of time Spectrum occupancy measurements quantify the amount of usage of frequency bands over a given period of time see figure 11 Remote Spectrum Utilization Figure 11 Spectrum occupancy measurement MS27102A Remote Spectrum Monitor Performance The MS27102A is able to sweep the frequency spectrum at rates up to 24 GHz s This enables the user to capture intermittent or pulsed signals Additionally the spectrum monitor has an instantaneous FFT bandwidth of 20 MHz A typical use case for this feature is the real time capture of the entire FM radio band 88 MHz to 108 lt a MHz in most countries The user can perform i o multiple FFT captures of FM signals storing the data f for later playback and analysis Unlicensed signals can M5271024 then be identified using this information Multiple spectrum sensors can also be deployed to J K h extend the RF monitoring capabilities and for geo MA location of signals of interest Using three or more o A Y MS27102A probes Anritsu s optional Vision software can be Tu WN HH Mh ae y used to position an interferer signal or illegal broadcast Additionally IQ measurements are time l stamped using the probe s2. GPS receiver This enables Geolocating illegal broadcast station ad the user to employ their own software using Time Distance of Arrival TDOA capabilities to find interferers given each IQ measurement is precisely time stamped See figure 12 for TDOA example Figure 12 Time Distance of Arrival for geo locating interference signal Communications Communications with the MS27102A are conducted via wired Ethernet Each monitor is shipped with a pre programmed static IP address After making a connection with this IP address users can then change the address to a different static IP Alternatively DHCP or DNS may be used See Anritsu s Ethernet Configuration Guide for details All commands and inquiries with the MS27102A are done using SCPI commands Anritsu provides a user manual listing each SCPI command a description of each command and the correct syntax for each command Users may also download a text file containing SCPI commands to be executed in sequence on the probe Summary The MS27102A is the ideal solution for unwanted signal detection Using Anritsu s Vision software or your own applications users can identify patterns of interference record spectrum history and geo locate the sources of problem signals Together with other Anritsu interference mitigation products Anritsu provides the total solution to your interference mitigation needs A Nn fi SU envision ensure e United States Anritsu Company 1155 East C
3. laptop tablet or even a smartphone to view the Spectrum and change instrument settings The MS27102A features Gbit Ethernet allowing fast transfers of measurement data and control information Figure 5 shows the server application displayed on a smartphone Figure 5 User interface displayed on smartphone See figure 6 below for the main user interface provided by the web server NONI SU MS27102A 37 1468 121 6563 envision ensure Aug 19 2015 15 46 48 40 dBm 0 dB 1 AMAA ae P A JA J y if if Tl VEY IY UM Adit acd HE E PC a E FEE fe A O anes ew A A aa _ ye PA A hia O O A LA AN J gh my dalla j u 765 MHz Figure 6 Screenshot of user interface MS27102A Remote Spectrum Monitor Hardware The MS27102A is rated to IP67 standards for outdoor deployment It is dust tight no ingress of dust as well as water resistant This involves testing the probe for immersion into as much as 1 meter of water for durations of up to 30 minutes Each port on the unit is ruggedized and weatherized Ports include power RF Input Gbit Ethernet and GPS antenna See figure 7 for port positioning With an operating temperature range from 40 C to 55 C a rugged weatherized case and splash proof design the MS27102A works in the most extreme weather conditions with guaranteed performance anywhere and anytime GPS No Connect Power Ethernet RFInPort2 RFIn Port 1 wild f at X EILE paur BES Figure 7
4. properly transmitted without error see Fig 4 The code is then transferred into probe memory Or and installed If a failure occurs during firmware acquisition or Error validation the process is aborted and the failure status is returned to the user If the firmware update is installed but does not operate correctly the Golden Image automatically replaces the downloaded l Boot Normal firmware to keep the remote monitor operational Image The Golden Image feature provides the user with assurance that the monitor stays in operation when changes are made to the code Any bug fixes updates or user requested features can then be remotely Application Boot Golden sent to the spectrum monitor and safely incorporated EIEN aes Figure 4 Firmware Update Policy Integrated Web Server The MS27102A features an integrated web server Using an internet browser Chrome and FireFox are supported a user from anywhere in the world can log in to the spectrum monitor and control any of its features This includes such parameters as frequency settings RBW VBW control reference level configuration and many other settings relevant to the user s spectrum monitoring application Trace data spectrograms and other measurements can be viewed inside the browser window A key advantage in using the web server is that it is platform agnostic Any electronic device capable of rendering a browser will work with the web server Users can utilize their PC
5. 0 06000000 0000000000000 00000000000000000000OOOIIDIAIAAIIAIAAAAIAIIDO 00000000000 CTTO OOOO OOOO OOOO SOCHHSHSHSHSHSSSHSHHSHSHHSHHSHSHHHSHSHSHHHHHHHSHHHHHHHHHHEEO 0000000000000 OOOO OOOO OOO OOOO 000000000000 OOOO OOOO OOOO OOOO 000000000000 OOOO OOOO OOOO COOOL COCOCOOCOTO COOCOO TCCT OOO TOTOO OOOO OOOO OOO AAAA 000000 060000 06000 000000000000 00000000 OOOO OOOO OOOO OOOO OO COCCO OCOCOCOCCOCOOCOCCOC OCCO COCO O OOOO OOOO OOO OOOO 0088 O0HHHOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOSOs 0000 HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEEOt 0000000000000 O COOCOO OOOO OOOO 000000000000 0000000 00000000000 00000000 000000000 0000000000000 TOOTOO OOOO OOOO SOCHHSSHSHSSHSSSHSHSSHSHHHSHHHSHSHSHSHHSHHHSHHHHSHHHHHHSHHHOEO 0000000000000 OOOO OOOO OOOO OOOO 00000000000 O OOTO OOOO OOO OOOO 0000000000 O OOOO OCTO OO OOOO SOHHSHSHSHSHSHSHSHSHSHHSHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHEEO 0080 8OOHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEESOt 0080 HOHHOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHESOs 0800 OOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOS Os 0800 HOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOSOs 000000000000 LLLLILLLILLLLLALLLE 00000000000000000OOIOIIAOIIIAIAAAAADAAAADAAIDA 000000000 O OCOC O COOCOO OOO OOOO 0888 OOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHESOs 0080 OOHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOSOs 0000000000000 COOCOO OOOO OOOO O 0000000000000000OOOOIIIIIAAAEAIIAAAAIIAIIAA 0000000000000 0000000000 000000 000000000 000000000000 OTTO O TOCO O OOO OOOO SOHHSSHSH
6. COO OOCOCOCOCOCOT OOOO CCOO O OOOO OCOC OOOO OOOO OOOO 000000000000 OOOO OOOO OOOO 0000000000000 0000000000000 0000000000000 0600000 000000000 0000000000000000000OOOIIIIDAIAAIAIAAAAAIAIIO 00000000000 OOTO OOOO OOOO SPOHHSHSHSHSHSHSSHHSHSHSHHSHHSHSHHHSHHHHHHHHHHHHHHHHHHHOHO 00000000000 OOOO OOTO OOOO OOOO 000000000000 O OOTO O OOOO OOO OOO COLOCO COCOCOCOO COOCOO TOTOO OCOT OOOO OOOO OOOO O 0808 OOOHOHHHHHHHHHHHOHHHHHHHHHHHHHHHHHHHHHESOt 06000000000 000000 00000 00OOOOOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOS Os 00000000000 06000000 COCOOC OOOO OOOO OOOO 0080 HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHO8Os 0000000000 OOOO OCOC OOOO OOOO 0000000 OOOO COOCOO OOOO OOOO 000000000000 OOOO OOOO OOO OOOO 0006000000000 00000000000 0000000000 000000000 OS 0600000000000 0000000000000 CCOO OTOOTO OOOO SOHHSSHSHSHSHSSSSHSSHSHHSHSHHSHSHSHSHHSHSHSHHHSHHHHHHHHSHEEO SPOHHSHSHSHHSHSHSSSHSSHSHHSHHHSHSHSHSHHSHSHHSHSHSHSHHHHHHHHSHEEO SOCHHSHSHSHSHSSSHSHSHSHSHSHHSHHSHSSHHSHSHHSHHHHHSHHHHHHHHHSECEO 060000000 O OOTO OCOT OOOO OOOO 000000000000 OOOO OOOO OOOO O AAA AAAA A LALALALA ALLALAALALAAAAALLLAAAAALLLLALALALILLLALLLLLE LAAAAALLAALAJALAKALAAALLLAALAAAILILALALLLLLALLLLLE 0000000000 0000000000000 0000000000 OCCO OOOO OOO OOOO COOCOO OOCOCOCOCOTOTO COOCOO OCCO O COCCO OOOO OOO OOOO 0000000000 COOCOO OOOO OOOO 0080 HHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOEOs 0000000000000 C OOOO COOCOO OOOO 0000000000000000OOIODIIIIIIAIAAAAIIAIAAIAIAIDAA 000000000000
7. HSHHHSHSHSHSHSHHSHSHSHHHSHHSHSHSHHSHSHHSHSHHHHHHSHSHSHSHSHSHHHHHHHHHHHHSHSHHHHHHHEOOE 96000 OOOHOOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHSHEEE SOSOHSHOHSHSHOHHSHHSHSHSHSHSHHHHHHHHSHHHHHSHSHHHHHHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHSEEOE SSOSHOHSSHSHSHSHSHSHSHSHSHSHSSHSHSHSHSHSHSHSOHSHSHSHSSSHSSHSHSSHSSHSHSHSHSHSHSHSHSHSHSHSHSHSHSHSHSHSHSSHSHSOHSHSHOHSHSSHSHSHOHSSHSHOSSSSHSSSSCOSSEESE MS27102A Remote Spectrum Monitor Introduction With the rapid expansion of wireless communications the need for robust networks relatively free of interference continues to grow Capacity will be degraded by the presence of illegal or unlicensed signals that interfere with needed transmissions These signals can be periodic or present at different frequencies over time making the discovery and removal of these sources of interference a significant challenge A spectrum monitoring system will facilitate the identification and removal of illegal or unlicensed interference signals By monitoring spectrum on a continual basis problem signals can be identified as they occur in real time Patterns of unwanted signal activity can also be examined providing an efficient way to characterize and locate the source of the interference problem In addition to interference detection spectrum monitoring is also used to characterize spectrum occupancy Government regulators and operators are often interested in determining the usage rate for v
8. Port locations on MS27102A 2 port option shown The MS27102A comes with a mounting plate designed for field applications With user supplied U Bolts or clamps the mounting plate allows the monitor to be mounted on poles of varying diameters Instructions for mounting your spectrum monitor can be found on the Anritsu website The probe uses power from a 11 VDC to 24 VDC source typically consuming less than 11 Watts The low power consumed facilitates the use of the spectrum monitor powered from solar cells MS27102A Remote Spectrum Monitor Key Applications Radio surveillance and monitoring Detection of illegal or unlicensed transmitters including AM FM and cellular broadcasts Coverage measurements Spectrum occupancy and frequency band clearing Fast and efficient detection and elimination of interference sources Monitor jails prisons for illegal broadcasts Security at military facilities national borders utilities airports and other sensitive sites see fig 8 Spectrum monitoring associated with lab RF testing Government regulators enforcing spectrum policies Signals of Interest Fig 8 Anritsu remote spectrum monitor positioned at airport The wide variety of signals to be monitored fall into several categories Each of these types of signals will be examined in some detail These include Intentional interference including illegal or unlicensed broadcasts e Accidental interference e Occupancy Intent
9. Remote Spectrum Monitor da 000000000000 COOCOO OOOO OOOO 0000000000 OOOO COOCOO OOOO O 0000000000000 TOOTOO COOCOO OOOO 00000000000000000000000000OIOOIIIIIIAIAAIAAADO 0000000000000 0600000 Ot 000000000000 0000000000000 0000000000000 COOCOO OOOO OOOO SOCHHSSHSHSHSHSSSHSHSHHHHHHSHSHHHHHHHHHHHHSHHHHHHHHHHOSO 000000000000 OOOO COOCOO OOO OOO 00000000000 O OOOO OOOO OOOO OOOO 0000000000 OOOO TOTOO OOO OOOO COLOCO OOCOCOCOOTO COOCOO TCCT OO OOOO OOTO O OOO OOOO COOCOO OOCOCOOC OOOO OTOOTO TTC O OOOO OOOO OOOO OOOO 0080 HOHHHHHOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHESO COOH HOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEES Os GOOCH OHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOSO 000000000000 0000000 COO OOOO OOOO OOOO OO SOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOOs 0088 HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHESOs 0000000000 OCCO OOOO OOO OOOO 000000000000 OOOO O OOOO OOOO O 0000000000000 CCOO O OOOO OOOO O 0000000 0000000 00000000 0600000000000 0000000000000 T COOCOO OOOO OOOO SOHHHSHSHSHSHSSSHSHSHSHSHHSHSHHHSHHSHHHHHHSHHHHHHHHHHHSHSHEEO 0000000000000 TOTOO OOOO OOO OOO 00000000000 OTOOTO OOOO O00000 SOHOHHSHOHHHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEEOt 0000000000 O TOOTOO OOOO OOOO COCCO CTCOOCO COOCOO COTTO OTOOTO OOOO OOOO O AAAA AA LALALALA HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOSOs 0800 HOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOS Os COOH HHHHHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOSOs 000000000000 00000000000 O OCCO O OOOO OOOO 0000000000000 OCOC COOCOO OOO OOOO COO
10. SESECE 000000000000 0000 SPOSSHSHSSHSHSHSHSHSHSHSHSHSHSHSSHSHSHSHSHSSHSHHHSHSHSHSHHHHHHHHHHHHHHHHHHHSHHEOE SOHRHSSSHSSHSHSHSHSHHSHSSSHSHSHSHSHSHSHSHSHSHSHSHSSHSHSHSHSHSHSHSHSHHSHSHHSHOSSHOHSHHCHHSESE SOOSHSHSHSHSHSSHSHSHSHSHSHSHSHSSHHSHSHSHSHSHSHHSHHSHHSHSHSHSHHHHHHHHHHHHHHHSHHHHHHEHE FOSOSSHSHSHHSHSSHSHSHSHHSHHSHHSHSHSHHHSHSHSHHSHSHSSHSSHSHSHSHSHHHHSHSHSHHHSHSHSHSSHHSSHHHSEHEE SPOHHHSHSSHSHSHSHSHSSHSHSHHSHSHHSHSHSHSHSHSHSHSHSHSHSHHSHSHSHSHSHSHSHSHHSHSHSHHHHSHHSHSSHSHSSHHHSSHESE SPHHHSHSHSHSHSHSHSHSHHSHSHSHHHSHSHSSHSHSHHHSHSHSHSHSHSHSHSHSHSSHSHSHHSHSSHHSHHOHHSHHHHHHHHHHHSCHHHSEE SOHHSHHSHSHHSHHSHHSHSHSHSSHHSHSHHSHSHSHHSHSHSHHSHSHSHSHSHSHSHSHSHSHSHSSSHHHSHHSHHSHSHHHSHSSHSSHHCHHHCEE OOOHOHHOHHHHHHHSHHHHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOHHHHHHHHHHHEHEOE SOCHOHHSHSHSHOHSHSHHHHHHHHSHSHSHHHSHHHHHHSHHHSHHSHHHHHHHHHHHHHHHHHHHHHHHHHHSHHHHHHEE 20000 HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOHSEHOE SOSSHSHSHSHHSHSHSHSHHHHHHSHHSHHHSHSHSHSHHHSHSHSHSHHSHSHSHHHSHSHSHSHSHHSHSHSHSHHSHHHHHHHHHHHHSHHHHHCHHHSOE POSPNSSHSHSHSHHSHSHSHSHHHHSHSHSHHSHSHSHSHSHSHSHSHSHHSHSHSHHSHSHHSHHSHSHHSHHSHSHSHSHSHSHHHHHHHHHHHHHSHHHHHCHHHOOE SOCHHSSSHSHSHSHSHHSHHSHSHHHHSHSHSHSHHHSHSHSHSHHHHSHHSHHHHSHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOHHSHEOE 29008000 OHOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEEOE SCOOHSHSSHSHSHSHSHSHSHHHHSHSHSHHHHSSHSHSHSHSHSHSHSHSHSHHHHSHHSHHSHHSHHOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCHSEEOE SOSOHHSSHSHSHSHSSHSHSHSHHSHSHSH
11. SHSHHSSHSSHSHSHHSHSHHSHSHSHHHHHHSHHHHSHHHHHHHHHHEEOE 0000000 O OOOO OOOO OOOO OOO 0000000000000 OOOO T OOOO OOO OOO 0000000000 O OCTO O OOOO OOO OOO COOCOO OCOCOCCOO OCOC O TCTC OOO OTOT O OOOO OOOO OOOO AAAA AAAA AAA C000 HOOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHESO 0000 HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEOGOs 00OOOHOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHOSO 0000000000000 0600000 OOOO COOCOO OOOO OOO OO POCCOCOCOCOCOCOOCOCOCOCOCOCOCOCOCOCOCOOCOOCOCOCOCOCOOCOCOCOCOCOCOOCOCOOOCOCOOOO 1 000000000000000000000000OOCIIIIIIAAAAIAAAA 06000000 COOCOO OOOO OOOO OOO OO YOOOOOOHHHHOHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEHOs 9080008 OHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEEG 0000000000000 900000000000000000000000OOOOIIIIAADAAAAA 50000000 50000000 c00000 0000000000 060000 00000000OIAAOA 000000000000000000 0000000 0000000 0000000000000000000000001 000000000000000000000000004 00000000 SOSHOHSHOHSHHHHHHHHHHHHHCHHHHHHHHCEE 00000000000000000000000000000004 0000000000000000000000000000000004 00000000 SPOOSHSHSHOHHSHSHSHHHHHHSHHHHHHHHHSCHHHHECHSSEOE SOHHSSHSHSHSHHSHSHSHSHSHSHHHHSHHSHHHHHHHHSHHOHHSHHEEEE 0000000000000 0000000000000 SOCHHSHSHHSHSHSHSHHHHSHSHSHSSHSHSHSHHHHSHHHHSHSHHHHHOHSSEEHEE 20008 OHHH HHHHHHHHHHHHHHHHHHHHHHHHHHOHHHHOHHHSEOE 200000 H8HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHESEEEE 0 000808FHO8HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHESEEEE SSCHOHSHSSSSHSSSHSSHSHSHHSHHSHSHSHSHSHSSHSHSHSHHSHSHSHSHHSSHSHSSSSSSSHSS
12. arious frequency bands Monitoring these frequencies provides the information needed to optimize spectrum for maximum utilization Spectrum can be re purposed for other applications or multiplexed with other signals using cognitive radio techniques Spectrum monitoring can also serve to enforce compliance with government regulations Police fire fighters air traffic control military and emergency services must all have access to communications free of impediments and distortion Compliance with spectrum regulations is often enforced by spectrum monitoring Figure 1 shows the MS27102A deployed to monitor Positive Train Control PTC frequencies PTC is being deployed worldwide to provide automated signaling for train control The MS27103A can also be used inside the train to insure wireless integrity Computer aided Communication Dispatching amp Network Component Back Office Server Systems Base Station Database Location Reports Signal Status MS27102A Anritsu Rack Mount Spectrum Monitor Wayside Signal Onboard Station System Figure 1 Spectrum Monitoring System monitoring PTC frequencies MS27102A Remote Spectrum Monitor MS27102A Remote Spectrum Monitor Capable of sweeping at rates up to 24 GHz s the MS27102A allows capture of many types of signals This includes periodic or transient transmissions as well as short bursty signals Also featured is a high dynamic range high sensitivity and
13. deployed hundreds or thousands of kilometers from the control center it is imperative that each probe remain operational under all types of conditions The MS27102A is designed for robust field deployments with capabilities for remote power cycling automated system recovery protocols and firmware updates pushed to the monitor remotely In the event of an application error or power fluctuation which causes an ongoing interruption in monitor communication a re boot policy is implemented to bring the remote probe back to its previous state Under these conditions the current firmware is automatically reloaded and on line operation is restored Instrument settings are also restored to their previous state A Golden firmware image is also placed on each unit in a secure location in memory If for any reason the firmware in the unit becomes corrupted a Golden Image is used to bring back full operation of the probe This feature is particularly useful for remote firmware updates lt mn y D i o p 7 z 5 SN pm z d d BS 2 gt gt J N f aptop wi p sp BA 4 4 r A N 14 we Figure 3 MS27102A Outdoor Spectrum Monitoring System Remote Firmware Updates There are several stages or checks performed when a new Validate firmware package is downloaded remotely into the instrument Once Firmware a new firmware image is downloaded to the monitor various tests are performed to insure the code was
14. ed by broadcasters and cellular operations such as the 700 MHz LTE bana DECT phones also cause interference problems particularly when people bring their wireless phones along when moving from one country to another DECT frequencies vary in different countries providing the potential for interference when transported Figure 10 below shows spectrum used in the U S for certain cellular frequencies DECT phones brought by travelers from other countries can often cause interference BRAZIL DECT JAPAN DECT LATIN AMERICA EUROPE CHINA DECT DECT Pre 2003 North America PCS Uplink North America PCS Uplink N N N N N N N N I I I I I I I I 2 2 2 2 2 2 2 2 o o o o o o o o LN co la Oo N Mm 1 co co co Figure 10 DECT phones improperly used can cause unintentional interference Other sources of interference include cellular signals due to antenna tilt or azimuth errors repeaters oscillating wireless microphone problems power equipment and many others Occupancy With the rapid demand for available spectrum from both public and private sectors new ways are being investigated to allow more efficient use of various frequency bands A lot of the spectrum is potentially underutilized providing the Opportunity to re purpose existing spectrum with additional Radio band 400 470 MHz applications TV Band IV amp V 470 830 862 MHz GSM 900 880 888 915 MHz 925 933 960 MHz Radio band 960 1710 MHz
15. ement tips new product news and more Visit us to register today www anritsu com MUG Training at Anritsu Anritsu has designed courses to help you stay up to date with technologies important to your job For available training courses visit www anritsu com training e Sweden Anritsu AB Kistag ngen 20B 164 40 KISTA Sweden Phone 46 8 534 707 00 Fax 46 8 534 707 30 e Finland Anritsu AB Teknobulevardi 3 5 FI 01530 Vantaa Finland Phone 358 20 741 8100 Fax 358 20 741 8111 e Denmark Anritsu A S Kay Fiskers Plads 9 2300 Copenhagen S Denmark Phone 45 7211 2200 Fax 45 7211 2210 e Russia Anritsu EMEA Ltd Representation Office in Russia Tverskaya str 16 2 bld 1 7th floor Moscow 125009 Russia Phone 7 495 363 1694 Fax 7 495 935 8962 e Spain Anritsu EMEA Ltd Representation Office in Spain Edificio Cuzco IV Po de la Castellana 141 Pta 8 28046 Madrid Spain Phone 34 915 726 761 Fax 34 915 726 621 e United Arab Emirates Anritsu EMEA Ltd Dubai Liaison Office P O Box 500413 Dubai Internet City Al Thuraya Building Tower 1 Suite 701 7th floor Dubai United Arab Emirates Phone 971 4 3670352 Fax 971 4 3688460 e India Anritsu India Pvt Ltd 2nd amp 3rd Floor 837 1 Binnamangla 1st Stage Indiranagar 100ft Road Bangalore 560038 India Phone 91 80 4058 1300 Fax 91 80 4058 1301 Please Contact DY a4 Anritsu utilizes recycled paper and envi
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17. ional Interference Illegal AM FM and video broadcasts are found in many parts of the world These signals can be generated by pirated broadcast equipment or by using over powered CB radios Figure 9 shows a table listing interference complaints per year registered by the UK government communications regulator Ofcom In this table Critical service refers to interference reports affecting life services communications Additionally jammers are sometimes used for applications such as preventing students from cheating on tests stopping employees from taking phone calls on company time or to prevent inmates from making illicit calls from prisons Jammer signals can often leak out into the wider environment interfering with other legitimate services Mitigating these types of interference has become a high priority with government regulators YEAR 1010 2011 2012 2013 INTERFERENCE COMPLIANTS Critical service All other 179 93 Fig 9 Interference complaints published by Ofcom communications regulator in the UK MS27102A Remote Spectrum Monitor Accidental Interference A wide variety of accidental interference can be seen in the spectrum A common problem is cable TV leakage This type of leakage exists both from cable signals leaking into the outside environment as well as from external signals leaking into the cable system This problem has been enhanced with the transmission of cable signals into frequency bands us
18. low spurious signals This enables the MS27102A shown here in Fig 2 to reliably distinguish between low level signals being observed and those signals generated by the monitor itself l i j x e o P 7 JAIVATATsS u SS Figure 2 MS27102A Outdoor Spectrum Monitor IP67 Key facts e 9 kHz to 6 GHz Sweep speed up to 24 GHz s Integrated GPS receiver for monitoring location and for time synchronization applications Gigabit Ethernet available for high speed transmissions Integrated web server to view control and conduct measurements via a web browser both Chrome and FireFox supported Interference analysis spectrogram and signal strength Remote firmware update capable Dynamic range gt 106 dB normalized to 1 Hz BW DANL lt 150 dBm referenced to 1 Hz BW preamp On Phase noise 99 dBc Hz 10 kHz offset at 1 GHz IQ block mode and streaming with time stamping for TDOA applications Watchdog timer to insure long term stability for remotely deployed monitors IP67 rated for outdoor deployments Linux operating system Low spurious signals for accurate signal discovery 20 MHz instantaneous FFT bandwidth l l l Vision software optional for automated spectrum Low power consumption lt 11 watts input voltage measurements setting alarms and geo locating 11 to 24 VDC signal sources MS27102A Remote Spectrum Monitor Designed For Remote Applications With monitors potentially being
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