CELETRA DMR · European ETSI standard DMR Association Category-1 member since 2014 CELETRA DMR July...

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)

© Copyright CELETRA 2016. All rights reserved

ETSI DMR Association Member ISO9001, 14001 Qualification

CELETRA Presence in the Industry


Korea Type Approval, KC China Type Approval, RTA

CELETRA DMR certifications


US Type Approval, FCC Europe Type Approval, CE

CELETRA DMR certifications



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.


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


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


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

Listen from the world leader

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


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


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


CELETRA True one of the world best radio provider


•  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)


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


CELETRA Manufacture quality radios from own factory in Seoul Incheon (200k units/month)


Weprovidereasonablygoodradios.

ThankYou.

moreinforma.ononwww.CELETRA.co.kr

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