Related by context. All words. (Click for frequent words.) 69 COMINT 67 ELINT 67 sigint 64 SIGINT 61 HF VHF 61 Synthetic Aperture Radar 61 laser designators 60 electro optic sensors 60 electro-optical/infrared sensors 60 EP 3E 60 transmitters receivers 59 Reconnaissance ISR 59 MASINT 59 DTCS 59 synthetic aperture radar 59 hyper spectral 59 biodetection 59 electro optical sensor 58 EO IR 58 OSRVT 58 SATCOM terminals 58 QZSS 58 SAASM 58 optronic 58 Navy MH #R 58 troposcatter 58 USS Ramage detected 57 multiband multimission 57 Electronic Warfare EW 57 GPS L2C 57 AN/VRC-# 57 spaceborne 57 AN/AAQ-# 57 multisensor 57 airborne shipboard 57 polarimetric 57 STSS satellites 57 GMTI 57 TCDL 57 datalinks 57 Awacs 57 Signals Intelligence SIGINT 57 demodulate 57 troposcatter communications 56 VTUAV 56 SATCOM WGS 56 Battlefield Airborne 56 Netted Iridium 56 SUAV 56 electro optical infrared 56 Phased array 56 AN/PRC-#G 56 EO IR sensor 56 APCO P# 56 hyperspectral sensors 56 wideband networking 56 DIRCM 56 LRAD RX 56 synthetic aperture 56 Air Combat Maneuvering 56 intelligence ELINT 56 EPLRS 56 Electro Optical Infrared 55 Blighter 55 System MUOS 55 ORBCOMM satellite 55 JTRS approved 55 Differential GPS 55 secure timing SAASM 55 AESA radars 55 oscilloscopes spectrum analyzers 55 Global Positioning Satellites 55 AESA Radar 55 radars telemetry 55 wideband RF 55 GPS GLONASS 55 Fiber Bragg Grating 55 datalink 55 NAVSTAR GPS 55 AN/ALQ-# 55 manpack radio 55 Falcon III AN/PRC-#G 55 indium gallium arsenide InGaAs 55 CDL Hawklink 55 unmanned reconnaissance 55 Grecian Firebolt 55 intercepting ballistic missiles 55 satID 55 COTM 55 Synthetic Aperture Radar SAR 55 Radio Controlled Improvised 55 AN/PRC-#F C 55 GPS GNSS 55 Multibeam 55 L5 signal 55 RF #W 54 tactical SIGINT 54 Navitraq V 54 TDRSS 54 RADARSAT 2 54 CAMCOPTER S 54 Navy F/A-#E/F 54 inertial navigation system 54 TWTAs 54 MQ 5B 54 CROWS II 54 Selective Availability Anti Spoofing 54 ATIRCM 54 GIOVE B 54 Theater Ballistic Missile 54 G ATOR 54 Highband Networking Radio 54 STANAG 54 AN/PRC-# C 54 NAVSTAR Global Positioning System 54 Signalife uses 54 C4I command 54 Hawklink 54 electro-optical/infrared 54 MP RTIP 54 TTNT 54 NAVTEX 54 Optical Sensor 54 Airborne Reconnaissance 54 GeoSAR 54 XTAR 54 VisionMaster FT 54 TUAV 54 HF radios 54 AIRSS 54 Yahsat 1A 54 VOR ILS 54 XTAR EUR 54 NetOps 54 Helmet Mounted Display 54 modulated RF 54 MQ 8B 54 manpack radios 53 monochromators 53 QWIP 53 radiolocation 53 Inertial Navigation System 53 multibeam 53 geosynchronous satellite 53 GLOBETrekker 53 JTRS radios 53 Anti Submarine Warfare ASW 53 Technology Insertion 53 NAVSTAR 53 VeeLo NextGen 53 C2BMC 53 BFT HC 53 RQ 7B Shadow 53 OS COMET 53 Forward Looking Infrared FLIR 53 multiband manpack radio 53 unmanned aerial 53 airborne lidar 53 reconnaissance ISR missions 53 High Frequency AEHF 53 satcom 53 passive infrared 53 AN/ALE-# 53 IFSAR 53 quadrature amplitude modulation QAM 53 PM4i 53 Satellite Terminals 53 geostationary satellite 53 BuckEye 53 Rivet Joint 53 GPS IIIA 53 MTP# 53 EA #G Growler 53 LITENING AT 53 reachback 53 Spectrum FHSS 53 T#XR 53 SINCGARS 53 GPS SBAS 53 GPS WAAS 53 digitally modulated 53 GPS Block IIF 53 BQM #E 53 LRAD #X [002] 53 EA 6B 53 ICO G1 53 Synthetic Aperture 53 Air Launched Decoy 53 Wideband Networking Waveform 53 array AESA 53 Signal Generators 53 Signals Intelligence 53 electronic warfare 53 AN/TPS-# 53 AMF JTRS 53 ENVISAT 53 LMS# [001] 53 AN/PRC-# 53 Turksat 4A 53 heterodyne 53 interceptors launchers 53 demodulates 53 SINCGARS radios 53 VDL Mode 2 53 Predator Reaper 53 Intercontinental Ballistic Missile ICBM 53 MIDS LVT 53 electro optic infrared 53 SatMAX R 53 manpack 53 UHF VHF 53 SeaSpace 53 AN/TPQ-# 53 TACNAV 52 electro-optical/infrared sensor 52 UUVs 52 Unmanned Aerial Vehicles UAVs 52 UWB WiMedia 52 TACAN 52 Block IIIA 52 SAT DSA 52 Karsnia recognized 52 tactical radios 52 Tactical Trainer 52 directional infrared countermeasures 52 MAINGATE 52 #M HH 52 UAVS 52 reconnaissance ISTAR 52 LADAR 52 Phased Array 52 vehicles UGVs 52 TecSAR 52 COSPAS SARSAT 52 Aegis Weapon System 52 power amplifier linearization 52 Telemetrix R 52 Spirent GSS# 52 airborne ISR 52 tactical UAV 52 Aegis BMD Weapon 52 FBCB2 52 Watchkeeper UAV 52 WISE infrared 52 Luxul 52 Vehicle UAV 52 Unmanned Aerial Vehicles UAV 52 SMDC ARSTRAT 52 Mojix STAR 52 multimedia SoC 52 Mobile User Objective 52 electro optical EO 52 Firefinder 52 electro-optical/infrared EO IR 52 millimeter wave MMW 52 Task Oriented 52 AN/PRC-#F 52 polymer modulator 52 HDS# 52 GPS IIF satellites 52 JITC certified 52 3Gb s SDI 52 RF #M MP 52 Septentrio 52 GaN amplifiers 52 Predator UAV 52 AN/PRC-# C radios 52 EuroHawk 52 RF Radio Frequency 52 trunked radio 52 Persistent Surveillance 52 VHF UHF 52 System ATACMS 52 AEGIS BMD 52 JTRS HMS 52 UHF SATCOM 52 geostationary communications 52 Trimble GNSS 52 Airborne Mine Countermeasures 52 Message Handling 52 Airborne Laser Mine 52 quadrature amplitude modulation 52 multiband radios 52 8PSK 52 Swift# 52 SBAS 51 ASDE 51 optical modulation analyzer 51 Airborne Signals 51 System WAAS 51 WAAS EGNOS 51 LITENING 51 Koreasat 6 51 STSS Demonstration 51 DGPS 51 Laser Guided Bombs 51 geo stationary satellite 51 radar lidar 51 Insitu ScanEagle 51 Vanu Anywave 51 Conexant CX# 51 Thermal Weapon Sight 51 IRIG B 51 tethered aerostat 51 Fleet F# 51 Electronic Warfare 51 sensor payloads 51 N#B [001] 51 High Frequency UHF 51 satellite RISAT 51 DCGS N 51 Wescam MX 51 uncooled infrared 51 Unmanned Aircraft System 51 Multispectral 51 InfraRed 51 High Frequency EHF 51 GB GRAM 51 CARTOSAT 2A 51 WAAS GPS 51 hyperspectral imager 51 frequency synthesizers 51 Polar Epsilon 51 GHz millimeter wave 51 MWIR 51 Explosive Device Electronic Warfare 51 ONVIF compliant 51 SBSS Block 51 SDIO SPI 51 narrowband tactical 51 MALE UAV 51 reconnaissance ISR 51 Sensors Transducers 51 nexgen 51 THAAD radar 51 JCREW 51 ASTAMIDS 51 Stormscope 51 RFMD POLARIS 51 quantum cascade 51 WCDMA HSDPA 51 infrared ultraviolet 51 FIPS #-# Validated 51 Wideband Networking Waveform WNW 51 NVESD 51 Inertial Measurement Units 51 infrared illuminators 51 CiPHR 51 exciters 51 COFDM 51 Navy EP 3E 51 Satellites GOES 51 electro optic 51 VUAS 51 BETSS C 51 Electronically Scanned Array 51 ASELSAN 51 TerraSAR X 51 Milstar constellation 51 mine countermeasure 51 Tektronix oscilloscopes 51 intelligence COMINT 51 Forward Looking Infrared 51 Hyperspectral imaging 51 MasterClaw 51 Identification RFID 51 #GHz frequency 51 Multi Sensor 51 AFATDS 51 Sensis MDS 51 fiber optic gyros 51 #G OTN [001] 51 GMDSS 51 airborne LiDAR 51 GNSS receiver 51 NH# NFH 51 Combat Identification 51 TRACER 51 SBSS satellite 51 Falcon III AN/PRC-# 51 Unmanned Aerial Vehicle UAV 51 unmanned reconnaissance aircraft 51 Sniper XR 51 SAR Lupe 51 THOR LVX 51 Tactical Unmanned Aerial Vehicle 51 Based Augmentation System 51 Radar G ATOR 51 UHF radios 51 integrated inertial 51 II RF #H 51 arbitrary waveform generators 51 processor DSP cores 51 AXTracker 51 infrared IR 51 JATAS 51 planimetric 51 SIGINT EW 51 C4I 51 LinkWay 51 Monics 51 DVB S2 satellite 51 JNN WIN T 51 HMDS 51 penetrating radar 51 Unmanned Aerial Vehicle 51 minehunting 51 warning systems ELINT 51 GPON EPON 51 role Electronically Scanned 51 C4I systems 51 Unmanned aerial 51 unmanned rotorcraft 51 Missile Warning 50 CAISI 50 EA #G aircraft 50 interferometric synthetic aperture radar 50 Common Sensor Payload 50 passive ultrahigh frequency 50 PAE T6 50 Ranging LIDAR 50 MH #R aircraft 50 MSS ATC 50 Formosat 2 50 Skynet 5C 50 Navstar GPS 50 Deep Siren 50 correlation spectroscopy 50 AN/PVS-# 50 Space Fence 50 frequency UHF 50 maritime subsurface 50 Inmarsat SwiftBroadband 50 polar orbiting satellites 50 IRNSS 50 Infrared Pathfinder Satellite 50 Sitrans LR# 50 Reconnaissance C4ISR 50 thermal infrared 50 M#A# Abrams Main 50 radiometers 50 satcoms 50 DAGR 50 lidar instrument 50 Communications Architecture SCA 50 Division Multiplexing 50 cryptologic 50 geospatial visualization 50 Dual Frequency 50 tactical reconnaissance 50 Peripheral Arterial Tone 50 KVH TACNAV 50 Quasi Zenith Satellite 50 SatMAX ® 50 GIRAFFE AMB 50 tactical UAVs 50 AMPERE 50 MLX# [002] 50 infrared countermeasures 50 submarine sonar 50 MODBUS 50 Telesat Nimiq 50 #G/#G/LTE 50 Rapid Aerostat Initial 50 infrared IrDA 50 UASs 50 inertial navigation systems 50 VacTell ® video 50 Allot NetEnforcer 50 Vigilare 50 Wideband Gapfiller 50 tethered aerostats 50 MSAT G2 50 Panther Trak TM 50 polar orbiting 50 millimeterwave 50 KVH Industries Nasdaq KVHI 50 ADS# [001] 50 SkySat 50 logarithmic amplifiers 50 airborne reconnaissance 50 millimeter wave imaging 50 Reconnaissance 50 Joint Helmet Mounted 50 intercommunications 50 ECPINS ® 50 Navini Ripwave 50 ALQ 50 geopositioning 50 Tactical Missile 50 MH #R helicopter 50 TruLink 50 Navitraq VI 50 RQ 4N 50 TPQ 50 Battlelab 50 lightwave 50 Automated Identification 50 AISight 50 F/A-#E/F aircraft 50 SELEX Galileo 50 AN/APG-# 50 SWIR cameras 50 Counter IED 50 IP MPLS router 50 SiRFstarIII architecture 50 SecNet 50 voiceband 50 Ground Penetrating Radar GPR 50 Michibiki 50 IRIS payload 50 move COTM 50 E/A-#G 50 Galileo constellation 50 LCGS 50 laser designator 50 SPY 1F 50 Navman marine 50 COMPEL 50 THAAD missile 50 demodulated 50 noise ratio OSNR 50 iDirect Intelligent Platform 50 Erieye 50 guided munitions 50 RF vector 50 Ocean Salinity SMOS 50 Systems UAS 50 terrestrial transmitters 50 Galileo satellites 50 C4ISTAR 50 battlespace awareness 50 Combat Survivor Evader 50 tunable filter 50 Tactical Reconnaissance 50 Leica ADS# 50 Modernized Target Acquisition 50 high frequency microstrip 50 demodulating 50 RISAT 2 50 Suite VIIRS 50 dismounted warfighters 50 SatCom Global 50 W2A satellite 50 Phalanx Close 50 Electro Optical EO 50 AN/TPY-2 50 ESTRACK 50 JLENS 50 opto mechanical 50 MetroNID 50 Intelligence Surveillance Reconnaissance 50 microwave radiometers 50 sampling oscilloscopes 50 NFIRE 50 unmanned airborne 50 databus 50 nondestructive inspection 50 MEXSAT 50 wavebands 50 AFSCN 49 netcentric 49 Metop 49 TanDEM X 49 GQM #A Coyote 49 infrared sensing 49 HDAM 49 MicroLight 49 SwiftLink 49 Item Unique Identification 49 EW suites 49 High Frequency HF 49 Radio Frequency RF 49 ifm efector 49 JSTARS 49 Distributed Temperature Sensing 49 TDRS K 49 submarine naval frigate 49 VideoBRIDGE 49 Quadrature Amplitude Modulation QAM 49 radar altimeters 49 remotely piloted Predator 49 MQ 5B Hunter 49 Ancillary Terrestrial Component ATC 49 ESA Planck 49 exactEarth Ltd. 49 MUOS satellites 49 Arbitrary Waveform Generator 49 encryptor 49 shortwave infrared 49 RF #M 49 Alvarion BreezeACCESS VL 49 NOAA GOES 49 Predator unmanned 49 GSM GPRS cellular 49 Packet Optical Platform 49 Cruise Missile Defense 49 Quick Reaction Capability 49 LcWDM 49 broadly tunable 49 polar modulation 49 Aegis radar 49 counterspace 49 EKV 49 BreezeACCESS VL 49 earth orbiting satellites 49 Electronic Counter 49 interferometric 49 nanoscale characterization 49 Frequency Hopping Spread 49 Earth Observation EO 49 PTZ Pan 49 AWACS radar 49 hydrographic surveying 49 Glonass navigation 49 AN/AQS-#A 49 amplifier adapter 49 Paksat 1R 49 DVB-S/S2 49 Unmanned Surface 49 ReFLEX 49 Doppler Shift 49 RF baseband 49 AuraGen VIPER 49 ESA ERS 49 Geographical Positioning System 49 WAAS Wide 49 ruggedized handheld 49 electromagnetic EM 49 E 8C 49 Impeva 49 Thermocouple 49 BlueView 49 vetronics 49 Telemetrix 49 WAAS enabled 49 polarization multiplexed 49 Mounted Warrior 49 multiband radio 49 Helinet Technologies 49 Designation Sight Pilot 49 SkyRouter 49 Z Backscatter X ray 49 Globalstar constellation 49 AN/AAR-# 49 A# spacecraft 49 ranging LIDAR 49 Earth Observation Satellite 49 allied navies 49 #/#G [002] 49 DMSP F# 49 C2SAT 49 Meteorological Satellites 49 Multimode 49 DASH7 49 Predator unmanned aircraft 49 Maritime Surveillance 49 RF #H 49 AN/TPQ-# Firefinder 49 Satellite Aided Tracking 49 JBPDS 49 MHz transponder 49 MHz transponders 49 DigitalGlobe WorldView 49 Inertial Navigation Systems 49 geosynchronous orbit GEO 49 non dispersive infrared 49 GAGAN 49 Tactical UAV 49 JCSAT 9 49 Heron unmanned aerial 49 MQ 8B Fire 49 omni directional antenna 49 unmanned robotic 49 inertial sensor 49 infra red imaging 49 PAL SECAM NTSC 49 Agilent EXA 49 MMICs 49 IED jammers 49 OCONUS 49 baseband RF 49 airborne LIDAR 49 microwave remote sensing 49 VTOL UAV 49 Rosetta orbiter 49 NXP SmartMX 49 ICO G1 satellite 49 fiber optic gyroscopes 49 multiviewers 49 laser illuminator 49 Radio Waveform 49 Correlator 49 NASA Landsat 49 Ranging LiDAR 49 EDXRF 49 AN/APS-# 49 lasers modulators 49 digital steganography 49 dropsonde 49 MODBUS RTU 49 mechanically scanned 49 UTRAN 49 Motorola ASTRO 49 shipborne 49 Block IIF 49 photonics mast 49 ultrasonic flaw 49 FIPS #-# compliant 49 Falcon III AN/VRC-# 49 #Gb s optical 49 NLOS LS 49 integrated circuits RFIC monolithic 49 WCDMA CDMA 49 SBIRS HEO 49 Wi Sys 49 P# trunked 49 DeLorme Earthmate 49 Defense THAAD 49 Atmospheric Infrared Sounder 49 CW RTTY 49 gyro stabilized 49 Aegis Combat 49 CIRCM 49 Cloud Aerosol Lidar 49 telemetry tracking 49 Selex Galileo 49 ActivFlex 49 Real Time Kinematic 49 Interferometric Synthetic Aperture Radar 49 Multi Object Spectrograph 49 RADARSAT 49 FT IR spectrometer 49 Unmanned Airborne 49 SkyLynx 49 Egnos 49 Loop Carrier BLC 49 #.#MHz [006] 49 Millimeter Wave MMW 49 Millimeter Wave 49 CBRNE detection 49 JTRS GMR 49 Stratellite 49 geosynchronous 49 microwave radiometer 49 GSM UMTS CDMA 49 Ku Ka 49 #Gbps optical [001] 49 waveform portability 49 VacTell TM video 49 Surveillance Radar 49 ASTER 49 M# launcher 49 FBCB2 BFT 49 Aegis Cruisers 49 AN/PRC-#G manpack 49 Field Artillery Tactical 49 IRBM 49 COMSEC 49 certified wideband manpack 49 WATCHKEEPER 49 AESA radar 49 digital trunked radio 49 Tomahawk Cruise 49 remote sensing 49 Topex 49 CAC2S 49 sonobuoys 49 electro optical sensors 49 MEMS Inertial 49 reconnaissance C4ISR 49 ADAHRS 49 Aerial Refueling Boom 49 LRAS3 49 Elbit Systems Hermes 49 MobiLink 49 TADS PNVS 49 FlexWave Prism 49 ActiveTag 49 Electro optical 49 LEMV 49 Launched Successfully 49 Tactical Automated 49 Cosmic Origins Spectrograph COS 49 spread spectrum FHSS 49 AC #H Spectre 49 RTK correction 48 AWACS Airborne Warning 48 frequency HF RFID 48 Tactical Engagement 48 Visi Trac 48 ancillary terrestrial 48 MultiScan Hazard Detection 48 Envisat satellites 48 Technology Demonstration JCTD 48 Profiler Suite OMPS 48 MILSATCOM 48 STAR ISMS ™ 48 Joint Capability 48 GlobalWave 48 Astra 3B 48 antisubmarine warfare 48 Intellitag 48 AH #D Apache 48 NVIS 48 Vector Signal Generator 48 SATCOM Satellite 48 RX1 48 SIRAL 48 Missile Segment 48 TI MSP# MCU 48 repeatered 48 STeP R 48 DPSK 48 Meteorological Satellite 48 Motorola Dimetra IP 48 #MHz bandwidth 48 reconfigurable optical 48 hi rel 48 ENVG 48 #G DQPSK 48 DKET 48 PT SEGway 48 Evolved SeaSparrow Missile 48 #.#GHz [001] 48 resolution synthetic aperture 48 TDRS satellites 48 SARBE 48 AH 1Z Cobra 48 DigitalGlobe constellation 48 Signal Analyzers 48 TWT amplifiers 48 AN/FPS-# 48 Predator unmanned aerial 48 #Gbps optical [002] 48 ECHELON 48 Telemetry System 48 Tu #M# 48 Unmanned Aerial Vehicles 48 Mapcon Mapping 48 Unattended Ground Sensors 48 JIATF S 48 AssistNow 48 mux demux 48 Advanced Microwave Scanning 48 radar jammers 48 SensL 48 wireless mesh nodes 48 vehicular amplifier 48 Humint 48 BioSentry TM 48 Rolling Airframe Missile 48 UH 1Y Huey 48 scatterometer 48 infrared spectrometers 48 fiber optic gyro FOG 48 frequency HF 48 frequency RF 48 frequency transmitters 48 HF VHF UHF 48 INSAT 3A 48 Skyguard 48 Aegis warships 48 KEELOQ 48 P 8A MMA 48 Air Force DCGS 48 STAR GATE 48 uncooled thermal 48 Unmanned Aerial Systems 48 Tactical Radios 48 Lat Lon 48 #G DP QPSK 48 AXIS PRO 48 gyrocompass 48 MTM# 48 multimission 48 OMPS 48 Flight Landata 48 nGenius ® 48 Umpire Paul Emmel 48 NexTone SBC 48 Sounder AIRS instrument 48 intratheater airlift 48 FLIR Forward Looking 48 NetFires 48 OFDM Orthogonal Frequency 48 radomes 48 SS7 ATM 48 HTAWS 48 Climate Experiment GRACE 48 stealth warship 48 hyper spectral imaging 48 Uninhabited Aerial Vehicle 48 SSPAs 48 Vision Sensor M-TADS/PNVS 48 CWDM SFP 48 Direction Finding 48 Navy P 8A 48 frequency converters 48 Thaad 48 correlator 48 parabolic antennas 48 datacom telecom 48 Unmanned Aerial 48 Active Electronically Scanned Array 48 HC #J 48 Raman spectroscopic 48 spectrometric 48 Interferometric 48 TerraSAR X satellite 48 MH #R 48 TDR TDT 48 Sniper pod 48 Program DMSP 48 Infrared Camera 48 2 Block IIIA 48 NS Microwave 48 couplers modulators demodulators transceivers 48 dismounted soldier 48 Model #A 48 Multi Mode 48 photonic components 48 radiocommunications 48 eNfusion 48 multifrequency 48 eLORAN 48 System Block IIR 48 DEFIMNET 48 PTDS 48 MH #R helicopters 48 microwave antennas 48 SimonsVoss 48 IRST 48 Inmarsat Fleet 48 Ancillary Terrestrial Component 48 stripline 48 Photodiode 48 Intercontinental Ballistic Missiles ICBMs 48 TrangoLINK Giga 48 Shift Keying 48 Express AM# 48 BreezeMAX TM 48 RCWS 48 SLAM ER 48 Selex Communications 48 radio occultation 48 modulators demodulators 48 iSECUREtrac GPS 48 Infrared Imaging 48 WindTracer 48 LRAD #X [001] 48 3D electromagnetic EM 48 unmanned reconnaissance planes 48 DWDM dense wavelength 48 digital multimeters DMMs 48 TTL CMOS 48 Microwave Imaging Radiometer 48 shortwave infrared SWIR 48 CSAMT 48 processors microprocessors microcontrollers 48 #.#MHz [004] 48 Next Generation Jammer 48 TDM Ethernet 48 Infinera DTN optical 48 Landing Tactical Unmanned 48 EarthCARE 48 ScanEagle UAV 48 EF# [001] 48 MC #J 48 RQ 4B Global 48 inductive proximity 48 ACM Adaptive Coding 48 Missile Defense Radar 48 protocol analyzers 48 Cueing System 48 Project Wedgetail 48 EMS SATCOM 48 IRIG 48 KC #J tankers 48 MobileSearch HE 48 #.# GHz DSRC 48 FiberPatrol 48 Alphabus 48 Force XXI 48 Cospas Sarsat 48 Octasic Vocallo MGW 48 SATCOM 48 JAVAD GNSS 48 AMSR E 48 Anik G1 48 multilateration 48 multiband 48 geostationary 48 FTB #B 48 micro electromechanical 48 Light Detection 48 ASTRA 5B 48 Battlefield Surveillance 48 Wavelength Division Multiplexing WDM