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LOKOMOTIVE RADIO STATION “ORION PB-4” SW/VHF

LOKOMOTIVE RADIO STATION “ORION PB-4” SW/VHF

FUNCTIONAL POSSIBILITIES:

  • On-pne programming from control board of the following functions:
    • Operating channels to any frequency within the UHF frequency range (one- or two-frequency simplex);
    • Reception and transmission of group tone calls (700, 1000, 1400, 2100 Hz);
    • Transmitter power;
    • Operation threshold of noise suppresser;
    • Number of main channel;
    • Loudspeaker volume level;
    • Time of transfer to “Reception” mode after the call was received in the “Standby Reception” mode.
    • Level of short wave receiver attenuator.
  • On-pne switching over of six operating UHF channels and two operating short wave channels, disabpng of noise suppresser and switching over of loudspeaker volume level.
  • programming from pC of the following functions:
    • Access password to enter the program mode from control board;
    • Maximal time of continuous work for transmission;
  • Tone call duration.
  • Availabipty of pulse interference suppresser.
  • Auto pmitation of time of “Transmission” mode.
  • Operation in manner of two-band Short wave/UHF radio stations.
  • Operation with old stock of radio stations.
  • Automatic diagnostics of the transceiver operation

TECHNICAL SPECIFICATIONS

"Orion РВ-4" VHF

Frequency range, MHz151,725-155,975
Maximal number channels 340 (171)
Frequency spacing, kHz12,5; 25
Received sensitivity, μV, max0,3

"ОRION РВ-4 " Short Wave:

Operating frequencies, MHz2,13; 2,15; 2,444; 2,464
Receiver sensitivity, μV, max.2

"ОRION РВ-4 " Short Wave and "ОRION РВ-4" VHF:

Transmitter carrier power (8 levels), W0,5 – 15
Operating temperature range, ºС-40 - +55
Power supply, V21,6 ÷ 155
Overall dimensions of radio unit, mm280´220´105
Weight, kg5,1
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