Icom IC-551D 6m All-Mode Transceiver

Frequency coverage

50–54 MHz Reference

Modes

A1 CW, A3J SSB (USB/LSB), A3H AM, F3 FM Reference

RF output power

SSB: 80 W PEP, adjustable 1–80 W; CW: 80 W, adjustable 1–80 W; AM: 40 W, adjustable 0–40 W; FM: 80 W, adjustable 1–80 W Reference

Power requirement

13.8 V DC ±15%, negative ground Reference

Current consumption

Receive: 0.5 A minimum audio, 0.7 A maximum audio; transmit: SSB/CW 15.0 A, AM 8.0 A, FM 15.0 A Reference

Frequency stability

Less than ±500 Hz from 1 to 60 minutes after switch-on; less than ±100 Hz per hour after 60 minutes; less than ±1 kHz over −10°C to +60°C Reference

Operating temperature

−10°C to +60°C (14°F to 140°F) Reference

Dimensions

111 mm (H) × 241 mm (W) × 311 mm (D) Reference

Weight

6.6 kg Reference

Antenna impedance

50 ohms unbalanced Reference

Sensitivity

SSB/CW/AM: less than 0.5 μV for 10 dB S+N/N; FM: more than 30 dB S+N+D/N+D at 14 V Reference

Selectivity

SSB/CW/AM: less than 1 kHz at −6 dB with the IC-551D pass-band tuning configuration; less than 2.2 kHz at −60 dB; FM: more than 7.5 kHz at −6 dB and less than 15 kHz at −60 dB Reference

Specifications may vary by revision or market. Use linked manufacturer references when available and confirm critical details before purchase.