Two way radio with digital encrypted voice

RITI provides full solution of digital / encrypted radio system, radio system design and upgrade, system implementation service, ---etc.,

 -- radio <----> Base station <----> PSTN <----> specified remote telephone set 

 -- radio to base station / repeater;

 -- radio <----> radio; Peer to Peer

Operation Mode :

e) RFID, digital two way radio (DEV-2330R; with external RFID reader)

d) GPS, digital two way radio (DEV-2330G; with GPS module)

     device on the market)

c)  External, digital communicator (DEV-2420; connect most common, analog 2-way radio 

b) VHF / UHF Handheld, two way radio (DEV-2330)

    offered by OEM project )

a) Digital encryption. recording module (DEV-7980-MDU series; build-in handheld radio, 

Product series and Operation modes  

*Detail spec. of radio unit available on request.

EM type; proximity reading;

Modulation, communication

Passive, no power, read only

Transponder

3 10 cm

Reading range

125 Khz

Frequency

       RFID Reader (option)

Every 20 byte interleave coding, or 20 bit of sudden error can  corrected, or every 3 random errors, under 6 random errors could  corrected with higher than 0.99 probability.

Error correction

< 3 sec.  (hot)

< 43 sec. (cold)

Start

greater than > 0.999,  when error code rate is less than < 1 x 10 ^-2

Frame sync. accuracy rate

Omni

ANT.

around 2 sec.

Frame sync. cycle

20

Max. Ch. receive

(SID) 2¹⁴

System ID

1575.42 Mhz

Frequency

(CID)2¹⁶

Individual ID

       GPS Receiver  (option)

1.5x 10^{-3 @} SNR=12dB

Bit error rate

New key after every communication  

Key change

2400 bps

TX data rate

128bits (std.); 256bits (opt.)

Key length

MSK

Modulation

Complex nonlinear series

Encryption computation

Half duplex

Working format

3.0

MOS

PTT, PLAY, CHARGE

LED instruction

450 mS

Synchronized time

Power 1.2W @ 8

digital voice transmit on VHF/UHF radio handheld
128/256 bits encryption, 2400bps,MOS3.0 voice quality,
with voice recorder