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VHF Transceiver
Desktop Shortwave Transceiver
160-6m Low-Noise SDR Transceiver

General

HAM bands 6m  160m  80m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  10m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  2m  10m 
Freq. stability ? ? +/- 5 p.p.m. (0-50 °C) TCXO standard; +/- 1 p.p.m. TCXO opt. (+/- 0.5 p.p.m. typ., 0-50 °C). K3EXREF option locks TCXO to an external 10-MHz reference (+/- 1 to 2 Hz typ.).
Tuning steps ? ? 1, 10, 20, and 50 Hz fine steps; user-configurable coarse tuning steps (per-mode).

Receiver

RX-range 50-54 MHz 0.5-30 MHz 10-160 m + WARC / 6 m
Optional 2m / 630m
Modulations FM   AM   FM   CW   SSB   AM   FM   CW   USB   LSB   FSK   AFSK   RTTY   PSK31/63  
Sensitivity ? ? HF, Preamp off: -133 dBm. Preamp 1: -138 dBm. Preamp 2 (12/10/6 m): -145 dBm
Selectivity ? ? ?
Filters ? ? 2.7 kHz + variable IF DSP Options: 200 Hz, 250 Hz, 400 Hz, 500 Hz, 1 kHz, 1.8 kHz, 2.1 kHz, 2.8 kHz, 6 kHz (AM & ESSB), & 12 kHz for FM
Receiver system ? ? Hybrid SDR / Double conversion superheterodyne
IF-freqs. ? ? 1st: 8.215 MHz
2nd: 15 kHz
Image rejection ? ? ≥ 70 dB
Audio output ? ? 2.5 W per channel into 4 ohms; typ. 10% THD @ 1 kHz, 2 W, Line level + headphones

Transmitter

TX-range 50-54 MHz 10-160 m + WARC 0.5-30 / 50-54 MHz (2m option)
Modulations FM   AM   FM   CW   SSB   AM   FM   CW   USB   LSB   FSK   AFSK   RTTY   PSK31/63  
RF-output High: 10 W, Medium: 3 W, Low: 0.5 W 10-100 W (AM 4-40 W) 0.1-10 / 0.1-100

Connections

Antenna - SO-239 BNC + SO-239
Impedance 50 Ω 50 Ω 50Ω
Other - - -

Electrical

Power req. 13.8V DC 13.8V DC or mains 11-15V DC
Current RX Max 1 A ? 0.9 A
TX Max 3.8 A Max 20 A 17-22 A

Physical

Manufactured Between 19xx and 19xx Between 1993 and 19xx Between 2015 and 20xx in USA
Dimensions 140 × 40 × 124 mm
(5.51 × 1.57 × 4.88 in)
240 × 95 × 239 mm
(9.45 × 3.74 × 9.41 in)
112 × 282 × 300 mm
(4.41 × 11.10 × 11.81 in)
Weight 800 gr (1.8 lbs) 4.10 kg (9.0 lbs) 3.80 kg (8.4 lbs) Without options
Form factor Unknown Base Station Base Station

Other features

Memories ? ? 144 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? RS-232C / USB-B
Built in PSK, RTTY, and CW text decode/display
Built-in keyer
DVR option
Sub RX option
High-contrast LCD
Dual VFOs
Real-time clock
Accessories ? ? ?
MPN ICOM-IC-000681 ICOM-IC-000707 ELECRAFT-K000003S