KD638 Digital Two Way Radio

  • 199 semi-duplex channels/2 Zones

  • DMO 2 Slots

  • AMBE+2? vocoder

  • Encryption

  • Emergency Alarm

  • VOX

  • Scrambler

  • Radio Detection

  • Single call / Group call / All call

  • One Touch feature for voice messages and data

  • Overview
  • Details
199 semi-duplex channels/2 ZonesDMO 2 Slots
AMBE+2™ vocoderEncryption
Emergency AlarmVOX
ScramblerRadio Detection
Single call / Group call / All callOne Touch feature for voice messages and data


Accessories

GENERAL

Frequency

400-470MHZ

Channel capacity

199

Channel space

12.5KHZ/25KHZ

Frequency stability

±1.0ppm

Voltage

7.4vdc

Antenna impedance

50Ω

Work temperature

-40'℃ to +60℃

Battery capacity

2200mAh

Size(include battery, exclude antenna)

133.5x61.7x40mm

Weight(include battery and antenna)

284g

TRANSMITTER

Output power

5W

4FSK Digital Mode

12.5KHZ(data only):7k60FXD 12.5KHZ(data+voice):7k6OFXE

FM Hum & Noise

-40dB@12.5KHZ

Modulation maximum deviation

2.5KHZ@12.5KHZ

RECEIVER

Sensitivity (Digital)

0.25uW/-119dBm(BER 5%)                               0.4uV/-115dBm(BER 1%)

Adjacent channel selectivity

TIA603C:60dB @12.5KHZ             ETS1:60dB@12.5KH2

Audio output power

12.5KH2/25KHZ

Audio distortion

±1.0ppm

 


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