Source: rigpix
Transceivers
Updated: 08/02/2026
Elecraft KX3
Confidence score: 50%
Estimated value
791€
Theoretical estimate
708€
Minimum
874€
Maximum
Specifications
GENERAL
- Type
- Amateur HF/VHF transceiver
- Frequency range
- TX: 10-160 m + WARC / 6 m (2 m option) RX: 0.31-32 / 44-54 MHz 144-148 MHz / 2 m option
- Tuning steps
- 1 / 10 Hz, 1 KHz
- Frequency stability
- ±1 ppm @ 0 to 50°C (32 to 122°F)
- Mode
- AM / FM / SSB / CW / Data (PSK31 & RTTY)
- Channels / memory management
- 100 regular 4 quick memories per band
- Repeater shift / offset
- ±?
- Power supply
- 9.6-12 VDC (Internal battery pack) or 9-15 VDC external
- Current drain / power consumption
- RX: 150-190 mA TX (1 W): 750 mA TX (5 W): 1.2 A TX (10 W): 2.1 A TX (12 W): 2.4 A
- Antenna impedance / connector
- HF/6 m: 50 ohm, BNC 2 m: 50 ohm, SMA (With 2 m option)
- Dimensions (W*H*D)
- 188*88*41 mm (7.4*3.5*1.6")
- Weight
- 680 g (1.5 lb), without options
- Other features
- SDR. 32-bit DSP. Built-in auto-AT. Built-in keyer with paddle. Built-in PSK/RTTY/CW decoder. I/Q output for use with PC.
RECEIVER SECTION
- Receiver system
- Direct conversion (6-160 m)
- Sensitivity
- HF: -138 dBm (20 dB preamp) 6 m: -140 dBm (30 dB preamp) 2 m: -142 dBm (500 Hz BW), with KX3-2M Sensitivity rolls off below 1.8 MHz due to protective high-pass filtering
- Image rejection
- 55-70 dB depending on filter settings etc.
- AF output power / speaker
- 500 mW at ?% distortion / ? ohm
TRANSMITTER SECTION
- RF output power
- 0-12 W (Depending on voltage, band and setting)
- Max FM deviation (Factory set)
- ±? KHz
- Spurious emissions
- HF: Better than -50 dB 6 m: Better than -60 dB
- Microphone impedance / connector
- ? ohm / 4-pin (3.5 mm)
- Microphone input level
- ? mV
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