■ Usage band: UHF; Frequency band: 470-710 (ch.13-52); Input and output impedance: 75Ω F shape; Operating temperature range: -20~+50°C; Standard gain: 38dB (UHF); Rated output: 103 (9 waves) ■Gain adjustment range: 0-10 or more (continuous variable) Input level range: 0 /-10 (dBμV); Noise Index: Less than 1.5 dB; Double Power Supply Capacity: DC 15 V 0.5 A; Power Supply/Power Consumption: AC 100/10 W; External Dimensions: 3.8 x 2.8 x 1.4 inches (97 x 70 x 35 mm); Weight: 0.22 kg