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 : -10°C to +60°C; (+14°F to +140°F)
- Frequency stability: ± 5 ppm (0°C to +50°C;)
- 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)
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| 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
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| 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 µV
- opposite band operation - 0.32 µV
- Squelch Sensitivity: Less than 0.16 µV
- 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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