NATO UNCLASSIFIED 1 TETRA: Civil Standard, Military Applications Applied CIS Technologies Branch CIS Division NATO Command, Control & Consultation Agency.

NATO UNCLASSIFIED 1 TETRA: Civil Standard, Military Applications Applied CIS Technologies Branch CIS Division NATO Command, Control & Consultation Agency pcs@nc3a.info

NATO UNCLASSIFIED Thursday April 11th 20022 TETRA Applications Conference IntroductionIntroduction Why TETRA ?Why TETRA ? NC3A Trials of TETRA and applications over TETRANC3A Trials of TETRA and applications over TETRA Does TETRA meet military requirements ?Does TETRA meet military requirements ? Talkgroups and conference callsTalkgroups and conference calls Priority and pre-emptionPriority and pre-emption InteroperabilityInteroperability 3G Services3G Services NATO codecNATO codec Does TETRA Security meet military requirements ?Does TETRA Security meet military requirements ? Work of TETRA MoU Security and Fraud Prevention GroupWork of TETRA MoU Security and Fraud Prevention Group Effect of frequency allocation on military use of TETRA ?Effect of frequency allocation on military use of TETRA ? Why TETRA ?Why TETRA ? NC3A Trials of TETRA and applications over TETRANC3A Trials of TETRA and applications over TETRA Does TETRA meet military requirements ?Does TETRA meet military requirements ? Talkgroups and conference callsTalkgroups and conference calls Priority and pre-emptionPriority and pre-emption InteroperabilityInteroperability 3G Services3G Services NATO codecNATO codec Does TETRA Security meet military requirements ?Does TETRA Security meet military requirements ? Work of TETRA MoU Security and Fraud Prevention GroupWork of TETRA MoU Security and Fraud Prevention Group Effect of frequency allocation on military use of TETRA ?Effect of frequency allocation on military use of TETRA ?

NATO UNCLASSIFIED Thursday April 11th 20023 TETRA Applications Conference Why TETRA ? Military role has changedMilitary role has changed Peace-keepingPeace-keeping Peace-supportPeace-support Crisis responseCrisis response Operations Other than WarOperations Other than War Composition of forces has changedComposition of forces has changed Increasingly multi-service, multi-nationalIncreasingly multi-service, multi-national Military budgets have changedMilitary budgets have changed Military role has changedMilitary role has changed Peace-keepingPeace-keeping Peace-supportPeace-support Crisis responseCrisis response Operations Other than WarOperations Other than War Composition of forces has changedComposition of forces has changed Increasingly multi-service, multi-nationalIncreasingly multi-service, multi-national Military budgets have changedMilitary budgets have changed

NATO UNCLASSIFIED Thursday April 11th 20024 TETRA Applications Conference NC3A Personnel Communication Systems Study Study all available PCSStudy all available PCS terrestrial, satcom, COTS & GOTSterrestrial, satcom, COTS & GOTS Evaluate against detailed scenarioEvaluate against detailed scenario Match suitability for:Match suitability for: users - military, police, VSOsusers - military, police, VSOs applications - voice, location, videoapplications - voice, location, video tasks - liaison, reconnaissancetasks - liaison, reconnaissance time - 2 years from initial deployment to long-term peace supporttime - 2 years from initial deployment to long-term peace support Study all available PCSStudy all available PCS terrestrial, satcom, COTS & GOTSterrestrial, satcom, COTS & GOTS Evaluate against detailed scenarioEvaluate against detailed scenario Match suitability for:Match suitability for: users - military, police, VSOsusers - military, police, VSOs applications - voice, location, videoapplications - voice, location, video tasks - liaison, reconnaissancetasks - liaison, reconnaissance time - 2 years from initial deployment to long-term peace supporttime - 2 years from initial deployment to long-term peace support  Digital Terrestrial PMR/PAMR  TETRA, Tetrapol, iDEN, …  Developed for Public Safety  good features for military C 3  Security  air interface encryption  voice, data & signalling  Authentication of radios and network  End-to-end security  Frequency - Military UHF Band  Digital Terrestrial PMR/PAMR  TETRA, Tetrapol, iDEN, …  Developed for Public Safety  good features for military C 3  Security  air interface encryption  voice, data & signalling  Authentication of radios and network  End-to-end security  Frequency - Military UHF Band

NATO UNCLASSIFIED Thursday April 11th 20025 TETRA Applications Conference TETRA Services Group CommunicationGroup Communication Fast call set upFast call set up All informed half-duplex nets (i.e. broadcast and multicast) availableAll informed half-duplex nets (i.e. broadcast and multicast) available Direct Mode OperationDirect Mode Operation No infrastructureNo infrastructure Gateways and RepeatersGateways and Repeaters Emergency & Incident handlingEmergency & Incident handling Call priorities & preemptionCall priorities & preemption Emergency buttonEmergency button Passive monitoringPassive monitoring DispatchingDispatching Net Control Station - Directed NetsNet Control Station - Directed Nets TETRA services  Combat Net Radio featuresTETRA services  Combat Net Radio features Group CommunicationGroup Communication Fast call set upFast call set up All informed half-duplex nets (i.e. broadcast and multicast) availableAll informed half-duplex nets (i.e. broadcast and multicast) available Direct Mode OperationDirect Mode Operation No infrastructureNo infrastructure Gateways and RepeatersGateways and Repeaters Emergency & Incident handlingEmergency & Incident handling Call priorities & preemptionCall priorities & preemption Emergency buttonEmergency button Passive monitoringPassive monitoring DispatchingDispatching Net Control Station - Directed NetsNet Control Station - Directed Nets TETRA services  Combat Net Radio featuresTETRA services  Combat Net Radio features

NATO UNCLASSIFIED Thursday April 11th 20026 TETRA Applications Conference Applications & Services Speech ServicesSpeech Services TalkgroupsTalkgroups –patrols, compound security –logistics Conference CallsConference Calls –command net –liaison, high quality Priority and Pre-emptionPriority and Pre-emption Interconnection / InteroperabilityInterconnection / Interoperability PSTN (if there is one)PSTN (if there is one) Military networksMilitary networks Speech ServicesSpeech Services TalkgroupsTalkgroups –patrols, compound security –logistics Conference CallsConference Calls –command net –liaison, high quality Priority and Pre-emptionPriority and Pre-emption Interconnection / InteroperabilityInterconnection / Interoperability PSTN (if there is one)PSTN (if there is one) Military networksMilitary networks Location servicesLocation services –patrols, logistics, MessagingMessaging –commanders, logistics –policing, compound security –status messages, VIN checks Other data servicesOther data services –file transfer, COP –liaison, command net, logistics updates VideoVideo –VTC for liaison –tele-medicine –reconnaissance Location servicesLocation services –patrols, logistics, MessagingMessaging –commanders, logistics –policing, compound security –status messages, VIN checks Other data servicesOther data services –file transfer, COP –liaison, command net, logistics updates VideoVideo –VTC for liaison –tele-medicine –reconnaissance

NATO UNCLASSIFIED Thursday April 11th 20028 TETRA Applications Conference NC3A TETRA Evaluation System Demonstrate the potential role of TETRA in extending NATO voice & data networks to mobile/portable usersDemonstrate the potential role of TETRA in extending NATO voice & data networks to mobile/portable users Demonstrate voice access from fixed system to mobile users through PABX at NC3ADemonstrate voice access from fixed system to mobile users through PABX at NC3A Demonstrate unique TETRA voice services including:Demonstrate unique TETRA voice services including: Rapid call setupRapid call setup Group callsGroup calls Priority callsPriority calls Demonstrate data applications from mobile notebook host through TETRA mobile radio terminal including:Demonstrate data applications from mobile notebook host through TETRA mobile radio terminal including: COP feed from CWAN to portable host running C2PC softwareCOP feed from CWAN to portable host running C2PC software E-mail & web access from portable hostE-mail & web access from portable host Demonstrate the potential role of TETRA in extending NATO voice & data networks to mobile/portable usersDemonstrate the potential role of TETRA in extending NATO voice & data networks to mobile/portable users Demonstrate voice access from fixed system to mobile users through PABX at NC3ADemonstrate voice access from fixed system to mobile users through PABX at NC3A Demonstrate unique TETRA voice services including:Demonstrate unique TETRA voice services including: Rapid call setupRapid call setup Group callsGroup calls Priority callsPriority calls Demonstrate data applications from mobile notebook host through TETRA mobile radio terminal including:Demonstrate data applications from mobile notebook host through TETRA mobile radio terminal including: COP feed from CWAN to portable host running C2PC softwareCOP feed from CWAN to portable host running C2PC software E-mail & web access from portable hostE-mail & web access from portable host

NATO UNCLASSIFIED Thursday April 11th 20029 TETRA Applications Conference Military and Civil Interfacing PSTN, Public Safety Mobile Radio and Tactical Military Comms PSTN / TETRA/ Autoko trials Autoko - German tactical radio system (CVSD) Clear voice interoperability

NATO UNCLASSIFIED Thursday April 11th 200210 TETRA Applications Conference TETRA on Trial NC3A TETRA Evaluation System SHAPE - June ‘01

NATO UNCLASSIFIED Thursday April 11th 200211 TETRA Applications Conference TETRA Trial - JWID ‘01 PABX Command & Control System Base Station System Management Switch COP, Web, E-Mail, Apps Application Servers NATO Voice Network PPP Data Interface Mobile Voice Users KIV-7 CFBL Access Router CWAN Portable Data Users

NATO UNCLASSIFIED Thursday April 11th 200212 TETRA Applications Conference NC3A Concept COM Module TETRA system installed inside (occasionally)

NATO UNCLASSIFIED Thursday April 11th 200213 TETRA Applications Conference Where is NC3A using TETRA ? NC3A, NLNC3A, NL SHAPE, BESHAPE, BE JWID 2001JWID 2001 PolandPoland Strong ResolveStrong Resolve Baumholder, GEBaumholder, GE Combined Endeavour 2002Combined Endeavour 2002 Banja Luka, BiHBanja Luka, BiH SFOR/BRITFOR trial (97 Signal Sqdn, UK)SFOR/BRITFOR trial (97 Signal Sqdn, UK) NC3A, NLNC3A, NL SHAPE, BESHAPE, BE JWID 2001JWID 2001 PolandPoland Strong ResolveStrong Resolve Baumholder, GEBaumholder, GE Combined Endeavour 2002Combined Endeavour 2002 Banja Luka, BiHBanja Luka, BiH SFOR/BRITFOR trial (97 Signal Sqdn, UK)SFOR/BRITFOR trial (97 Signal Sqdn, UK)

NATO UNCLASSIFIED Thursday April 11th 200214 TETRA Applications Conference Civil Standard; NATO Exercises NC3A TETRA system isNC3A TETRA system is MobileMobile DeployableDeployable Easy to useEasy to use NC3A TETRA system isNC3A TETRA system is MobileMobile DeployableDeployable Easy to useEasy to use Combined Endeavour 2002 & Strong ResolveCombined Endeavour 2002 & Strong Resolve Used to establish comms infrastructure for exerciseUsed to establish comms infrastructure for exercise SFOR trial, Banja LukaSFOR trial, Banja Luka 2nd (National Communications) Signal Brigade, UK2nd (National Communications) Signal Brigade, UK Combined Endeavour 2002 & Strong ResolveCombined Endeavour 2002 & Strong Resolve Used to establish comms infrastructure for exerciseUsed to establish comms infrastructure for exercise SFOR trial, Banja LukaSFOR trial, Banja Luka 2nd (National Communications) Signal Brigade, UK2nd (National Communications) Signal Brigade, UK

NATO UNCLASSIFIED Thursday April 11th 200215 TETRA Applications Conference Communications system requirements From CCPC document on telecomms following natural and non-natural disastersFrom CCPC document on telecomms following natural and non-natural disasters Rapidly deployableRapidly deployable Easy to useEasy to use –no time for operator training Self supportingSelf supporting Interconnected to other networksInterconnected to other networks High capacityHigh capacity –Congestion is a recurring problem in many emergency scenarios From CCPC document on telecomms following natural and non-natural disastersFrom CCPC document on telecomms following natural and non-natural disasters Rapidly deployableRapidly deployable Easy to useEasy to use –no time for operator training Self supportingSelf supporting Interconnected to other networksInterconnected to other networks High capacityHigh capacity –Congestion is a recurring problem in many emergency scenarios

NATO UNCLASSIFIED Thursday April 11th 200217 TETRA Applications Conference Applications using COTS PCS GSM & GPS GSM data services support useful services for Emergency OperationsGSM data services support useful services for Emergency Operations Position reportingPosition reporting Status monitoringStatus monitoring GSM & GPS GSM data services support useful services for Emergency OperationsGSM data services support useful services for Emergency Operations Position reportingPosition reporting Status monitoringStatus monitoring

NATO UNCLASSIFIED Thursday April 11th 200218 TETRA Applications Conference Military C 2 software (C2PC) running over COTS (TETRA) network TETRA Applications

NATO UNCLASSIFIED Thursday April 11th 200219 TETRA Applications Conference Military Position Reporting Application C2PC Common Operation Picture software operating over a TETRA network

NATO UNCLASSIFIED Thursday April 11th 200220 TETRA Applications Conference Military - Civil Interface Interface between COTS TETRA network and military networkInterface between COTS TETRA network and military network PC running LinuxPC running Linux NC3A developed interface softwareNC3A developed interface software Converts GPS to OTH/Gold format for MCISConverts GPS to OTH/Gold format for MCIS Interface between COTS TETRA network and military networkInterface between COTS TETRA network and military network PC running LinuxPC running Linux NC3A developed interface softwareNC3A developed interface software Converts GPS to OTH/Gold format for MCISConverts GPS to OTH/Gold format for MCIS

NATO UNCLASSIFIED Thursday April 11th 200222 TETRA Applications Conference NATO Voice Coder TETRA release 2 - codecs. 3G AMR plus….

NATO UNCLASSIFIED Thursday April 11th 200223 TETRA Applications Conference The New NATO Voice Coder: Tested in a wide range of environments HMMWV Bradley Fighting Vehicle LeClerc Tank Volvo (staff car) Quiet Modern Office Gaussian noise MCE field shelter Blackhawk helicopter Mirage 2000 F-15.. and in English, French, German, Dutch, Polish and Turkish

NATO UNCLASSIFIED Thursday April 11th 200224 TETRA Applications Conference Final Results - Combined Performance Index

NATO UNCLASSIFIED Thursday April 11th 200225 TETRA Applications Conference Voice Coders Military Vocoder vs COTS Vocoders Military is used to minimising throughput for low capacity channelsMilitary is used to minimising throughput for low capacity channels Same speech intelligibility, half the throughputSame speech intelligibility, half the throughput InteroperabilityInteroperability Male speaker Female speaker Voice Coders X = 6 kbps Y = 4.56 kbps X = 4.56 kbps M = 2.4 kbps 6 dB Noise 12 dB Noise Quiet

NATO UNCLASSIFIED Thursday April 11th 200226 TETRA Applications Conference Further information on Stanag 4591 Stanag 4591 test and selection process Street MD, “Future NATO narrow band voice coder selection: Stanag 4591”, NC3A Technical Presentation 001, The Hague, February 2002. http://nc3a.info/Voice Street MD and Collura JS, “Interoperable Voice Communications: test and selection of STANAG 4591”, RTA IST Symposium - NATO Research and Technology Agency (Information Systems and Technology panel) Tactical Military Communications symposium, Warsaw, October 2001 (RTO-MP-065) http://www.rta.nato.int/IST.htm Street MD and Collura JS, “The test and selection of the future NATO narrow band voice coder”, RCMCIS - NATO Regional Conference on Military CIS, Warsaw, Zegrze, October 2001. http://nc3a.info/MDS/VoiceCoder-RMCIS2001paper.doc MELPe: the selected voice coder Collura JS and Rahikka DJ, “Interoperable secure voice communications in tactical systems, IEE coll. on Speech coding algorithms for radio channels, London, February 2000. An overview of the MELP voice coder and its use in military environments http://www.iee.org/OnComms/pn/communications Collura JS, Rahikka DJ, Fuja TE, Sridhara D and Fazel T, “Error coding strategies for MELP vocoder in wireless and ATM environments”, IEE coll. on Speech coding algorithms for radio channels, London, February 2000. Performance of MELP with a variety of different error correction mechanisms http://www.iee.org/OnComms/pn/communications

NATO UNCLASSIFIED Thursday April 11th 200227 TETRA Applications Conference NATO Voice Coder Workshop 18th June 200218th June 2002 NATO C3 Agency, The Hague, The NetherlandsNATO C3 Agency, The Hague, The Netherlands For prospective usersFor prospective users Speech quality benefitsSpeech quality benefits InteroperabilityInteroperability For manufacturersFor manufacturers ImplementationImplementation Market issuesMarket issues NC3A assistanceNC3A assistance Look out for details onLook out for details on nc3a.info/Voice …. And its free !nc3a.info/Voice …. And its free ! 18th June 200218th June 2002 NATO C3 Agency, The Hague, The NetherlandsNATO C3 Agency, The Hague, The Netherlands For prospective usersFor prospective users Speech quality benefitsSpeech quality benefits InteroperabilityInteroperability For manufacturersFor manufacturers ImplementationImplementation Market issuesMarket issues NC3A assistanceNC3A assistance Look out for details onLook out for details on nc3a.info/Voice …. And its free !nc3a.info/Voice …. And its free !

NATO UNCLASSIFIED Thursday April 11th 200229 TETRA Applications Conference Secure Voice Communications Security is an issue for commercial, public safety and military usersSecurity is an issue for commercial, public safety and military users Military and public safety users require similar secure speech servicesMilitary and public safety users require similar secure speech services Provide security against disruption - eavesdropping, spoofing and denial of serviceProvide security against disruption - eavesdropping, spoofing and denial of service Security is an issue for commercial, public safety and military usersSecurity is an issue for commercial, public safety and military users Military and public safety users require similar secure speech servicesMilitary and public safety users require similar secure speech services Provide security against disruption - eavesdropping, spoofing and denial of serviceProvide security against disruption - eavesdropping, spoofing and denial of service

NATO UNCLASSIFIED Thursday April 11th 200230 TETRA Applications Conference Security in TETRA Standards EncryptionEncryption Air interface encryption between Mobile and InfrastructureAir interface encryption between Mobile and Infrastructure End-to-end encryption SFPG Rec 02End-to-end encryption SFPG Rec 02 AuthenticationAuthentication prevention against spoofing, denial of serviceprevention against spoofing, denial of service protect network accessprotect network access Secure disabling and enabling of terminalsSecure disabling and enabling of terminals temporary and permanenttemporary and permanent Encryption (4) and authentication (1) standard algorithms plus user defined algorithmsEncryption (4) and authentication (1) standard algorithms plus user defined algorithms Key managementKey management Key load, OTAKKey load, OTAK EncryptionEncryption Air interface encryption between Mobile and InfrastructureAir interface encryption between Mobile and Infrastructure End-to-end encryption SFPG Rec 02End-to-end encryption SFPG Rec 02 AuthenticationAuthentication prevention against spoofing, denial of serviceprevention against spoofing, denial of service protect network accessprotect network access Secure disabling and enabling of terminalsSecure disabling and enabling of terminals temporary and permanenttemporary and permanent Encryption (4) and authentication (1) standard algorithms plus user defined algorithmsEncryption (4) and authentication (1) standard algorithms plus user defined algorithms Key managementKey management Key load, OTAKKey load, OTAK

NATO UNCLASSIFIED Thursday April 11th 200231 TETRA Applications Conference Contents Introduction Overview Physical Realisation Issues Use of Algorithms Key Management Interoperability Threats Specifications Appendices User profiles Additional detail to be specified Sample specification (IDEA) Sample Test Data TETRA MoU Security & Fraud Prevention Group Guidance on implementing end-to-end encryption within ETSI Standards Prepared with public safety, commercial & military input Courtesy of D Parkinson, BT Exact

NATO UNCLASSIFIED Thursday April 11th 200232 TETRA Applications Conference ETSI Standards and SFPG Recommendations ETSI standards give flexibility on how to implement End to end encryptionETSI standards give flexibility on how to implement End to end encryption SFPG Rec 02 gives guidance within the standardsSFPG Rec 02 gives guidance within the standards Choice of algorithms up to usersChoice of algorithms up to users Support for TETRA Release 2 (additional vocoders)Support for TETRA Release 2 (additional vocoders) ETSI standards give flexibility on how to implement End to end encryptionETSI standards give flexibility on how to implement End to end encryption SFPG Rec 02 gives guidance within the standardsSFPG Rec 02 gives guidance within the standards Choice of algorithms up to usersChoice of algorithms up to users Support for TETRA Release 2 (additional vocoders)Support for TETRA Release 2 (additional vocoders) TETRA Standards End to End Encryption SFPG Recommendation 02 Algorithm Vocoder Commercial or national (public safety or military) algorithm Vocoder (TETRA ACELP, AMR or MELPe)

NATO UNCLASSIFIED Thursday April 11th 200233 TETRA Applications Conference Security - continued End-to-ends Secure TETRA terminals currently on trial by NC3A / SFOR / BRITFOR in BiHEnd-to-ends Secure TETRA terminals currently on trial by NC3A / SFOR / BRITFOR in BiH SFPG Rec 02 v3SFPG Rec 02 v3 Support for AESSupport for AES Advanced Encryption StandardAdvanced Encryption Standard NSA competition, 128 bitNSA competition, 128 bit Support for additional voice codecsSupport for additional voice codecs End-to-ends Secure TETRA terminals currently on trial by NC3A / SFOR / BRITFOR in BiHEnd-to-ends Secure TETRA terminals currently on trial by NC3A / SFOR / BRITFOR in BiH SFPG Rec 02 v3SFPG Rec 02 v3 Support for AESSupport for AES Advanced Encryption StandardAdvanced Encryption Standard NSA competition, 128 bitNSA competition, 128 bit Support for additional voice codecsSupport for additional voice codecs

NATO UNCLASSIFIED Thursday April 11th 200234 TETRA Applications Conference ITSI: 12... End to end encrypted data services SFPG Recommendation 07 describes an end to end encryption framework for short data servicesSFPG Recommendation 07 describes an end to end encryption framework for short data services Based on Framework for encrypted speechBased on Framework for encrypted speech Supports small applications such as position reporting functions etcSupports small applications such as position reporting functions etc SFPG Recommendation 07 describes an end to end encryption framework for short data servicesSFPG Recommendation 07 describes an end to end encryption framework for short data services Based on Framework for encrypted speechBased on Framework for encrypted speech Supports small applications such as position reporting functions etcSupports small applications such as position reporting functions etc

NATO UNCLASSIFIED Thursday April 11th 200236 TETRA Applications Conference MoU on common frequency allocation has been signed by most European countries Some nations sharing allocation and responsibility for public safety and commercial use - operational benefits Could share military and civil allocations - operational benefits, political risks Public Safety & Security Currently Reserved NATO Military 380390400383385395393 Frequency Allocation in Europe

NATO UNCLASSIFIED Thursday April 11th 200237 TETRA Applications Conference Frequency Allocation Recent NATO study ranked frequency bandsRecent NATO study ranked frequency bands Looked at existing Military Operational RequirementsLooked at existing Military Operational Requirements UHF identified as a vital bandUHF identified as a vital band No current MOR for PCSNo current MOR for PCS PCS MOR is being developedPCS MOR is being developed –Air Working Group, with Land and Maritime WGs 380 - 400 MHz likely to be even more highly valued380 - 400 MHz likely to be even more highly valued Netherlands driven forward use of Military UHF band for PMRNetherlands driven forward use of Military UHF band for PMR Now allowed at present - but restrictions dictated by AGA communityNow allowed at present - but restrictions dictated by AGA community This will change as PMR is more widely usedThis will change as PMR is more widely used Recent NATO study ranked frequency bandsRecent NATO study ranked frequency bands Looked at existing Military Operational RequirementsLooked at existing Military Operational Requirements UHF identified as a vital bandUHF identified as a vital band No current MOR for PCSNo current MOR for PCS PCS MOR is being developedPCS MOR is being developed –Air Working Group, with Land and Maritime WGs 380 - 400 MHz likely to be even more highly valued380 - 400 MHz likely to be even more highly valued Netherlands driven forward use of Military UHF band for PMRNetherlands driven forward use of Military UHF band for PMR Now allowed at present - but restrictions dictated by AGA communityNow allowed at present - but restrictions dictated by AGA community This will change as PMR is more widely usedThis will change as PMR is more widely used

NATO UNCLASSIFIED Thursday April 11th 200238 TETRA Applications Conference Where is the military using TETRA ?Where is the military using TETRA ? What is TETRA being used for ?What is TETRA being used for ? Where is the military using TETRA ?Where is the military using TETRA ? What is TETRA being used for ?What is TETRA being used for ? ? ? ?SummarySummary

NATO UNCLASSIFIED Thursday April 11th 200239 TETRA Applications Conference Does TETRA meet military requirements ? Services Services  Applications Applications  Ease of deployment Ease of deployment  Interoperability Interoperability  Security Security  Free Free  Services Services  Applications Applications  Ease of deployment Ease of deployment  Interoperability Interoperability  Security Security  Free Free 

NATO UNCLASSIFIED Thursday April 11th 200240 TETRA Applications Conference Questions ? More info on Military use of COTS PCS and the new NATO Voice Coder:More info on Military use of COTS PCS and the new NATO Voice Coder: http://nc3a.info/Voicehttp://nc3a.info/Voice http://nc3a.info/PCShttp://nc3a.info/PCS http://www.iee.org/OnComms/pn/communicationshttp://www.iee.org/OnComms/pn/communicationspcs@nc3a.info More info on Military use of COTS PCS and the new NATO Voice Coder:More info on Military use of COTS PCS and the new NATO Voice Coder: http://nc3a.info/Voicehttp://nc3a.info/Voice http://nc3a.info/PCShttp://nc3a.info/PCS http://www.iee.org/OnComms/pn/communicationshttp://www.iee.org/OnComms/pn/communicationspcs@nc3a.info

NATO UNCLASSIFIED 1 TETRA: Civil Standard, Military Applications Applied CIS Technologies Branch CIS Division NATO Command, Control & Consultation Agency.

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NATO UNCLASSIFIED 1 TETRA: Civil Standard, Military Applications Applied CIS Technologies Branch CIS Division NATO Command, Control & Consultation Agency.

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