Source: rigpix
Transceivers
Updated: 09/02/2026
Icom IC-681
Confidence score: 50%
Estimated value
568€
Theoretical estimate
482€
Minimum
653€
Maximum
Specifications
GENERAL
- Type
- Amateur VHF transceiver
- Frequency range
- Japanese domestic market TX: 50-54 MHz RX: 50-54 MHz
- Tuning steps
- 5 / 10 / 12.5 / 15 / / 20 / 25 / 30 / 50 KHz
- Frequency stability
- ±10 ppm @ -10 to +60°C (14 to 140°F)
- Mode
- FM
- Channels / memory management
- 100 regular 1 call 3 scan edge pairs
- Repeater shift / offset
- ±?
- Power supply
- 13.8 VDC ±15%
- Current drain / power consumption
- RX: 0.8 to 1 A TX: 1.5 to 3.8 A
- Antenna impedance / connector
- 50 ohm / SO-239 (On pigtail)
- Dimensions (W*H*D)
- 140*40*132 mm (5.51*1.58*5.2")
- Weight
- 800 g (1.76 lb)
- Other features
- Dimmer. 1200/9600 bd packet jack.
RECEIVER SECTION
- Receiver system
- Double conversion superheterodyne 1st IF: 10.7 MHz 2nd IF: 450 KHz
- Sensitivity
- 0.16 uV (12 dB SINAD)
- Selectivity
- 15 KHz (-6 dB) 30 KHz (-60 dB)
- Image rejection
- 60 dB
- AF output power / speaker
- 2.4 W at 10% distortion / 8 ohm
TRANSMITTER SECTION
- Modulation system
- Variable reactance frequency modulation
- Max FM deviation (Factory set)
- ±5 KHz
- Spurious emissions
- Better than -60 dB
- Microphone impedance / connector
- 600 ohm / 8-pin modular
- Microphone input level
- ? mV
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