‌External passive wideband omnidirectional UHF fin-shaped transmit / receive antenna. Working range 470-1000 MHz The frequency range complies with the new US / EU telecommunications regulations Gain 2-4 dBi TNC TX (as transmitter) and RX (as receiver) antenna input with direct connection to transmitter or receiver The RX connector has a built-in 12 dB Gain Booster to extend the operating range and reliability of the receiver Gain Booster is powered by a coaxial cable connected to the Mipro Ad 707 / AD 707 A antenna amplifier or receivers from the ACT series Waterproof, perfect for indoor and outdoor use in various weather conditions Dimensions 120 x 261 x 32 mm Weight 200 g