Features: 1) Built-in amplifier 2) Frequency range: VHF-H 170 ~ 230MHz, UHF 470 ~ 860MHz 3) ANT power supplied with cable externally 4) Power consumption: DC 12V±10%, 35mA (max.) 5) V.S.W.R: 6) Power gain: > 20dB 7) Operation temperature: -20 ~ 70°C 8) Coaxial cable: L=4.2m