General Ratings Reception frequency range (A/B band) 108 to 137 MHz (Air Band) 137 to 174 MHz (144 MHz HAM / VHF Band) 174 to 400 MHz (GEN) 400 to 480 MHz (430 MHz HAM / UHF Band) 480 to 999.995 MHz (GEN) Transmission frequency range 144 to 146 MHz 430 to 440 MHz Transmit and receive frequency steps 5, 6.25, (8.33), 10, 12.5, 15, 20, 25, 50, 100 kHz (8.33 kHz selectable for air band only) Frequency stability ± 2.5 ppm at -20°C to +60°C Radio waveforms F1D, F2D, F3E, F7W Antenna impedance 50 O Power supply voltage DC 13.8 V ±15% (minus ground) Current consumption At no signal reception: approx. 0.5 A At rated transmit output: approx. 11 A / approx. 7 A (144 MHz band 50 W / 20 W) Approx. 7 A (430 MHz band 50 W / 20 W) Operating temperature range -20°C to +60°C Case dimensions Main unit 139 (W) × 42 (H) × 132 (D) mm (excluding protrusions) Controller 139 (W) × 53 (H) × 18 (D) mm (excluding protrusions) Approx. 1.1 kg (including main unit, controller, and control cable) Transmitter Transmitter output FTM-300D 50W / 25W / 5W FTM-300DS 20W / 10W / 1W Modulation F1D, F2D, F3E : Reactance modulation F7W : Quadrature frequency shift modulation (C4FM) Maximum frequency deviation ±5 kHz Unwanted emission strength 60 dB max. 4 nW or less. We do not mark merchandise values below value or mark items as “gifts” Because declared value is insured value. Besides US and International government regulations prohibit such behavior.