European ETSI standard DMR Association Category-1 member since 2014 CELETRA DMR July 2016 Australian Radio Communications Industry Association member since 2015 Korean Telecommunications Technology Association member since 2014
European ETSI standard DMR Association Category-1 member since 2014
CELETRA DMR
July 2016
Australian Radio Communications Industry Association member since 2015
Korean Telecommunications Technology Association member since 2014
digital Radio (DMR) is …...
Spectrum Efficient (6.25kHz equivalent), Long Range (up to 75km), Secure (AES encryption),
Direct (peer to peer, Repeater), Immediate (Press to talk),
Voice & Data (9600bps)
Communications for FREE (tier 1)
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ETSI DMR Association Member ISO9001, 14001 Qualification
CELETRA Presence in the Industry
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Korea Type Approval, KC China Type Approval, RTA
CELETRA DMR certifications
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US Type Approval, FCC Europe Type Approval, CE
CELETRA DMR certifications
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© Copyright CELETRA 2016. All rights reserved
TETRA, P25 and DMR ;
These are 3 major standard radio technologies in Mission-Critical and Business-Critical communications
European Standard, average terminal price middle.
American Standard, average terminal price is high.
World Standard, average terminal price is low.
© Copyright CELETRA 2016. All rights reserved
Item TETRA P25 DMR
Channel Bandwidth 25kHz 12.5kHz 12.5kHz
Spectrum Efficiency High (1:4@25kHz) Low (1:1@Phase1) High (1:[email protected])
Modulation Pi/4 DQPSK C4FM 4FSK
Transmitter Efficiency Linearizer required High High
Multiple Access Method 4-slot TDMA FDMA, TDMA@phase2 2-slot TDMA
Terminal RF power 1.8 ~ 3 watts 5 watts 5 watts
Base station RF power 25 watts 25 ~ 100 watts 25 ~ 100 watts
Receiver Sensitivity Low (-112dBm) High (-118dBm) High (-118dBm)
Max. Radio Coverage 3 ~28km 5 ~ 50km ~ 75km
Technology Comparison
© Copyright CELETRA 2016. All rights reserved
Item TETRA P25 DMR
Audio delay through network <500mS <400mS <400mS
Data Rates (kbps) 28.8 9.6 9.6
Encryption Yes Yes Yes
Private or Public Network Yes Yes Yes
Fault Tolerance Yes Yes Yes
TMO/DMO Yes Yes Yes
Backward compatibility (FM) No Yes Yes
Dispatch Function Yes Yes Yes
LBS, Voice Recording Yes Yes Yes
Functionality Comparison
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Item TETRA P25 DMR
Terminal cost 3 times higher than DMR
3 times higher than TETRA Low/middle
Ruggedness of Terminal Yes Yes Yes
Coverage of single site 5~10km 20~30km 20~30km
Cost of single site 4 times higher than DMR
5 times higher than DMR Low/middle
Cost of Networking much higher than DMR
much higher than DMR Moderate
Cost Comparison
Why CELETRA in DMR
■previous2chipsolu.on:-.SCT3258basebandprocessor-.AMBE+2voicecodec
■1chipsolu.onfromCELETRA:CT3258TD-.AMBE+2codecbuiltinRadioProcessorchip
MCU
MCU
AMBE+2
3258
■AMBE+2officialLicensefromDVSIcompanytomakeindustrystandardvoicecodecintegratedDMR/dPMR/FMtrimodechipsolu.onincoopera.onwithSICOMMTechnologyInc.
CT3258
© Copyright CELETRA 2016. All rights reserved
CELETRA DMR differentiation
MCU (MMI)
IF/Demodulator
PLL Synthesizer Modulator
CELETRA DMR Processor
(CT3258)
Tx PA
AD/DA
Rx Front (M1)
RF Transceiver Baseband Processor
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CELETRA DMR Differentiation
Receiver ; High linearity : over 70dB IMD Low Noise Figure : -121dBm Sensitivity Wide Dynamic Range : over 90dB Blocking High Purity : over 80dB spurious Transmitter ; RF sensing TDMA power control algorithm Fully digital FM/FSK modulation Synthesizer ; Spur free frequency synthesizer technology Exceptional spectral purity : -115dBc/Hz@1kHz High speed wide band PLL synthesizer from 10MHz ~1GHz
Custom RF mixer chip
© Copyright CELETRA 2016. All rights reserved
CELETRA True one of the world best radio provider
© Copyright CELETRA 2016. All rights reserved
• Gift Box • Radio Transceiver unit • Holster • Antenna • 7.4V 2600mAh Battery Pack • Cradle Charger • AC/DC adaptor • User Manual • Certification Letter • Ear/Microphone with PTT (option) • USB cable (option) • Radio Configuration Tool CD (option)
CT405/CT105 Packing List
Major Characteristics
l ETSI DMR Standard compliant protocol
ü ETSI TS 102 361 : DMR specifications, Tier I, II
ü ETSI TR 102 398 : DMR General System Design
ü ETSI EN 300 113 : Technical characteristics and method of measurements
l AMBE+2 voice codec
l VHF 136~174MHz, UHF 400~470MHz, any bands below 1GHz
l High Performance 5 watts RF output
l Analog FM backward compatibility
l digital voice recording
l Automatic detection and switching for DMR/FM mode
l GPS and/or GPS coupled Indoor positioning (option)
l WiFi connectivity for iOS/Android devices (option)
l Surround Noise Suppression (option)
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l UHF / VHF bands l Number of Channels : 1024 max. l Size and Weight : 105 x 51 x 37 (mm), 250gram l Power supply : 7.4V 2600mAh Li-ion Battery l Operating Temperature : -30 ~ +60 degree C. l Battery Life : 14 hours v Environment Specifications
• Operating Temperature : -30 ~+60 deg.C • Storage Temperature :-40 ~ +85 deg.C • Thermal Shock : MIL-STD 810 • Humidity : MIL-STD 810 • ESD : IEC61000-4-2 level 3 • Dust & Water proof : IEC60529-IP67/IP68 • Packing Test : MIL-STD 810D, E
CT405/CT105 Specifications
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DMR TDMA performance CELETRA provides ETSI EN 300 113 compliant TDMA ramp profile.
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CELETRA Manufacture quality radios from own factory in Seoul Incheon (200k units/month)
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