
Source: rigpix
Transceivers
Updated: 09/02/2026
Kenwood TH-21BT
Confidence score: 50%
Estimated value
461€
Theoretical estimate
392€
Minimum
530€
Maximum
Specifications
GENERAL
- Type
- Amateur VHF transceiver
- Frequency range
- TX: 144-148 MHz RX: 144-148 MHz
- Tuning steps
- 5 / 10 / 100 KHz, 1 MHz
- Frequency stability
- ±? ppm
- Mode
- FM
- Channels / memory management
- None
- Repeater shift / offset
- ±600 KHz
- Power supply
- 7.2 VDC (Battery pack) or 5.8-10 VDC external
- Current drain / power consumption
- RX: 28 mA (Squelched) TX: 300 to 600 mA
- Antenna impedance / connector
- 50 ohm / Threaded phono
- Dimensions (W*H*D)
- 57*120*28 mm (2.24*4.72*1.1")
- Weight
- 290 g (10.23 oz), with antenna and PB-21
- Other features
- DTMF keypad and built-in CTCSS/PL encoder
RECEIVER SECTION
- Receiver system
- Double conversion superheterodyne 1st IF: 16.3 MHz 2nd IF: 455 KHz
- Sensitivity
- 0.5 uV (28 dB S/N)
- Selectivity
- 12 KHz (-6 dB) 28 KHz (-40 dB)
- AF output power / speaker
- 250 mW at 10% distortion / 8 ohm
TRANSMITTER SECTION
- Modulation system
- Reactance modulation
- Max FM deviation (Factory set)
- ±5 KHz
- Spurious emissions
- Better than -60 dB
- Microphone impedance / connector
- ? ohm / ?-pin
- Microphone input level
- ? mV
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