Source: rigpix
Transceivers
Updated: 09/02/2026
Kenwood TM-231A
Confidence score: 50%
Estimated value
342€
Theoretical estimate
291€
Minimum
394€
Maximum
Specifications
GENERAL
- Type
- Amateur VHF transceiver
- Frequency range
- USA TX: 144-148 MHz RX: 144-148 MHz
- Tuning steps
- 5 / 10 / 12.5 / 15 / 20 / 25 KHz
- Frequency stability
- ±10 ppm @ -20 to +60°C (-4 to +140°F)
- Mode
- FM
- Channels / memory management
- 20 regular 1 call 4 odd splits 1 priority 1 program scan pair RAM storage with lithium battery backup
- Repeater shift / offset
- ±600 KHz
- Power supply
- 13.8 VDC ±15%
- Current drain / power consumption
- RX: Max 600 mA TX: Max 11 A
- Antenna impedance / connector
- 50 ohm / SO-239 (On pigtail)
- Dimensions (W*H*D)
- 140*40*160 mm (5.51*1.58*6.3")
- Weight
- 1.2 Kg (2.65 lb)
- Other features
- CTCSS/PL encoder.
RECEIVER SECTION
- Receiver system
- Double conversion superheterodyne 1st IF: 10.7 MHz 2nd IF: 455 KHz
- Sensitivity
- 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
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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