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Icom IC-W31A
Specifications

Return to W31A

Discontinued Amateur Handheld Transceivers 

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IC-W31A Specifications

General
  • Frequency coverage in MHz:
    • VHF Tx: 144-148; Rx: 136-174*1
    • UHF Tx: 440-450; Rx: 400-470*2
    • *1 Guaranteed 144-148; *2 Guaranteed 440-450
  • Mode: FM
  • Acceptable power supply : 4.5 to 16 V DC (negative ground)
  • Number of memory channels: 86 regular plus 2 call, 12 scan edges and 6 DTMF
  • Tuning steps: 5, 10, 12.5, 15, 20, 25, 30 and 50 kHz
  • Useable temperature range : -10C to +60C; (+14F to +140F)
  • Frequency stability: 5 ppm (0C to +50C;)
  • Current drain (at 13.8 V DC)
    • Tx HIGH VHF 1.3 A, UHF 1.5 A
    • Tx LOW VHF 500 mA, UHF 600 mA
    • Rx Rated audio 210 mA
  • Dimensions (with BP-180 or BP-173):
    • 2 1/4(W) x 5 13/32(H) x 1 5/16(D)in
    • 57(W) x 137(H) x 33(D)mm
  • Weight (BP-173 and antenna): 450g (1lb)

 

Transmitter
  • Output power (at 13.5 V DC): 5 W, 500 mW or 15mW
  • Modulation system: variable reactance frequency modulation
  • Max. frequency deviation : 5.0 kHz
  • Spurious emissions : Less than -60 dB
  • External mic connector : 3-conductor, 2.5(d) mm (1/10") 2 K ohms

 

Receiver
  • Receive system: Double conversion superheterodyne
  • Intermediate frequencies (1st/2nd):
    • VHF 43.1 MHz / 455 kHz
    • UHF 35.8 MHz / 455 kHz
  • Sensitivity (for 12 dB SINAD):
    • original band operation - 0.16 V
    • opposite band operation - 0.32 V
  • Squelch Sensitivity: Less than 0.16 V
  • Spurious and image rejection ratio:
    • More than 60 dB (VHF)
    • More than 50 dB (UHF) (except 1/2 IF and 2nd image)
  • Audio output power (at 13.8 V DC): More than 180mW (10% distortion with an 8-ohm load)
  • External speaker connector: 3-conductor, 3.5(d) mm (1/8")/ 8 ohms
  • Specifications are subject to change without notice or obligation.

 


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