Kenwood TS-660 Transceiver

Receive frequency coverage

21.0000–21.4500 MHz; 24.5000–24.9999 MHz; 28.0000–29.7000 MHz; 50.0000–53.9000 MHz Reference

Transmit frequency coverage

21.0000–21.4500 MHz; 28.0000–29.7000 MHz; 50.0000–53.9000 MHz Reference

Modes

FM, SSB, CW, AM Reference

RF output power

SSB, CW, FM: 10 W; AM: 4 W Reference

Power requirement

13.8 V DC Reference

Dimensions

241 × 94 × 236 mm (projections excluded) Reference

Weight

4.9 kg Reference

Antenna impedance

50 Ω Reference

Selectivity

SSB, CW, AM: 2.4 kHz at −6 dB, 4.2 kHz at −60 dB; FM: 15 kHz at −6 dB, 32 kHz at −60 dB Reference

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