Source: rigpix
Transceivers
Updated: 09/02/2026
Elecraft K3s / 100
Confidence score: 50%
Estimated value
3700€
Theoretical estimate
3200€
Minimum
4200€
Maximum
Specifications
GENERAL
- Type
- Amateur HF/VHF transceiver
- Frequency range
- TX: 10-160 m + WARC / 6 m RX: 0.1-30 / 44-54 MHz (2 m option. Also 472 KHz with KBPF3A)
- Tuning steps
- 1 / 10 / 20 / 50 Hz
- Frequency stability
- Standard: ±5 ppm @ 0 to 50°C (32 to 122°F)
- Mode
- AM / FM / SSB / CW / Data / FSK / AFSK
- Channels / memory management
- 100 regular 4 scratch pad per band
- Repeater shift / offset
- ±0 to 5000 KHz
- Power supply
- 11-15 VDC (Anderson PowerPoles)
- Current drain / power consumption
- RX: 1 A (Single RX) TX: Max 22 A
- Antenna impedance / connector
- 50 ohm / SO-239
- Dimensions (W*H*D)
- 272*102*254 mm (10.7*4*10")
- Weight
- 3.8 Kg (8.5 lb), without options
- Other features
- USB audio and control. RS-232C. Built-in PSK31/PSK63/CW/RTTY encoder/decoder. Realtime clock. Transverter interface. 1750 Hz call tone. 32-bit IF DSP. VOX. CTCSS/PL encoder.Graphic equalizer. VOX. Built-in keyer. 3-step attenuator. DVR option. Sub RX option.
RECEIVER SECTION
- Receiver system
- Double conversion superheterodyne 1st IF: 8.2 MHz 2nd IF: ? KHz
- Sensitivity
- HF: -138 dBm (MDS, preamp 1) 6 m: -145 dBm (MDS, preamp 2) (Specifications guaranteed only within ham bands)
- Image rejection
- 70 dB
- AF output power / speaker
- 2.5 W at 10% distortion / 4 ohm
- External speaker connector
- 3.5 mm
TRANSMITTER SECTION
- Max FM deviation (Factory set)
- ±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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