Source: rigpix
Transceivers
Updated: 09/02/2026
Elecraft K4HD
Confidence score: 50%
Estimated value
3500€
Theoretical estimate
3000€
Minimum
4000€
Maximum
Specifications
GENERAL
- Type
- Amateur HF/VHF(UHF) transceiver
- Frequency range
- TX: 10-160 m + WARC and 60 m / 6 m RX: 0.1-54 MHz 2 m and 70 cm option still in planning?
- Tuning steps
- 1 / 10 Hz
- Frequency stability
- ±0.3 ppm (No temperature reference)
- Mode
- AM / FM / SSB / CW / Data
- Channels / memory management
- 999 regular?? 4 quick memory
- Repeater shift / offset
- ±? KHz
- Power supply
- 11-15 VDC (Anderson PowerPoles)
- Current drain / power consumption
- RX: Less than 3 A TX: Max 25 A
- Antenna impedance / connector
- 50 ohm / SO-239 (Plus three SO-239 with optional KAT4)
- Dimensions (W*H*D)
- 343*114*254 mm (13.5*4.5*10")
- Weight
- 4.54 Kg (10 lb)
- Other features
- Modular hybrid design for easy upgrade and expansion. DSP. 7" color touch display. HDMI video output. Ethernet jack. Remote control. Single or dual panadapter. USB-jacks. RS-232C. Transverter I/O. Iambic keyer. Twin RX. CW, PSK31/63 and RTTY encode/decode. Real-time clock. RX and TX equalizer. Built-in help system. Linux-based computing module.
RECEIVER SECTION
- Receiver system
- Direct-sampling SDR
- Sensitivity
- SSB/CW (MDS) 0.1-23 MHz, Preamp OFf/1/2: -118/-128/-135 dBm 23-54 MHz, Preamp OFf/1/2/3: -118/-128/-135/-141 dBm
- AF output power / speaker
- 2.5 W at 1% distortion / 4 ohm
TRANSMITTER SECTION
- Max FM deviation (Factory set)
- FM: ±5 KHz NFM: ±2.5 KHz
- Spurious emissions
- HF: Better than -50 dB 6 m: Better than -60 dB
- Microphone impedance / connector
- ? ohm / 8-pin (Metal locking ring connector)
- Microphone input level
- ? mV
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