Strona wydrukowana z adresu: http://radmor.com.pl/Civil-products/Civil-products/Stationary/ZRK-3801-Radio-Communication-Set

ZRK 3801 Radio Communication Set

Transceivr Unit ZRK3801

Transceivr Unit ZRK3801

  • frequency bands: 80, 160 and 450  MHz
  • radio output power: up to 30W
  • over 511 programmable channels
  • selective calling
  • scanning
  • CTCSS
  • remote control from control unit  at distance of up to 20km
  • data transmission
  • speech scrambling (scrambler  inside control unit; option)
  • alarm signalling
  • remote "killing" and  "reviving"of radiotelephone
  • co-operation with conversation  recorder
  • in Pb-free technology (for special  order)

The ZRK-3801 radio communication set is intended for operation as the base station in closed and semi open dispatcher networks (simplex, semi duplex and duplex). In duplex version the set can operate as a repeater station. Solid and ventilated casing (standing or hanging) besides the transceiver unit comprises also a battery of high capacity. The radio transmitter power can be of 1 to 30 W depending on the frequency band.

The ZRK 3801 set is operated by the operator using the 32629 dispatcher´s unit which is connected to the transceiver set via pair of wires of up to 20km length. Additional 32628 control unit can be connected to the dispatcher´s console via pair of wires at a distance of up to 300m. Internal communication is possible between the control unit and the dispatchers console.

Technical data:

Parameter

Unit

Type

3821

3831

3851

Frequency band

MHz

66÷88

146÷174

400÷470

Number of programmable channels

 

511

Radio transmitter power

W

2÷20

5÷30

10

Receiver sensitivity (SINAD 12 dB)

µV

0,3

0,35

Channel spacing

kHz

12,5

12,5/25(programmable)

12,5

Band width

MHz

20

28

20

Modulation

 

F3E, F2D

Sub audio speaker muting (CTCSS)

 

48 tones

Data transmission rate

b/s

4800 GMSK (external modem)
2400 FFSK (internal modem)

Operating temperature range

°C

-25 ÷ +55

The main set comprises:

  • transmission set (transceiver),
  • dispatcher unit,
  • power supply unit for dispatcher unit.

This set can be supplemented by:

  • modem,
  • scrambler,
  • head set,
  • table microphone,
  • additional control unit,
  • foot switch
  • in Pb-free technology (for special order)