Source: rigpix
Transceivers
Updated: 09/02/2026
Kenwood TM-731A
Confidence score: 50%
Estimated value
167€
Theoretical estimate
142€
Minimum
193€
Maximum
Specifications
GENERAL
- Type
- Amateur VHF/UHF transceiver
- Frequency range
- USA TX: 144-148 / 438-450 MHz RX: 136-174 / 438-450 MHz Other market TX: 144-148 / 430-440 MHz RX: 136-174 / 430-440 MHz
- Tuning steps
- 5 / 10 / 12.5 / 15 / 20 / 25 KHz
- Frequency stability
- ±? ppm @ -20 to +60°C (-4 to +140°F)
- Mode
- FM
- Channels / memory management
- 14 regular 2 scan edge 2 odd split 1 call RAM storage with lithium battery backup
- Repeater shift / offset
- 2 m: ±600 KHz 70 cm: ±5 MHz
- Power supply
- 13.8 VDC ±15%
- Current drain / power consumption
- RX: Less than 600 mA (No signal) TX: Less than 11 A
- Antenna impedance / connector
- 50 ohm / One N-jack and one SO-239 (On pigtails)
- Dimensions (W*H*D)
- 150*50*219 mm (5.9*2*8.6")
- Weight
- 1.8 Kg (3.97 lb)
- Other features
- CTCSS/PL encoder. Twin RX.
RECEIVER SECTION
- Receiver system
- Double conversion superheterodyne, USA 1st IF: 16.9 MHz (2 m) - 21.6 MHz (70 cm) 2nd IF: 455 KHz Double conversion superheterodyne, Other markets 1st IF: 10.7 MHz (2 m) - 30.825 MHz (70 cm) 2nd IF: 455 KHz
- Sensitivity
- 2 m: 0.2 uV (12 dB SINAD) 70 cm: 0.16 uV (12 dB SINAD)
- Selectivity
- 12 KHz (-6 dB) 24 KHz (-60 dB)
- AF output power / speaker
- 2 W at 5% distortion / 8 ohm
- External speaker connector
- 3.5 mm, 8 ohm
TRANSMITTER SECTION
- Modulation system
- Reactance modulation
- Max FM deviation (Factory set)
- ±5 KHz
- Spurious emissions
- Better than -60 dB
- Microphone impedance / connector
- 500-600 ohm / 8-pin (Metal locking ring connector)
- Microphone input level
- ? mV
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