Diamond Original RH789 95-1100 MHz Telescoping Handheld BNC Antenna 95MHz to 1100MHz AM/FM receiving(at full length), omnidirectional telescoping structure, folds at base. BNC Bands: 1/4wave(95 to 300MHz), 5/8wave (300 to 1100MHz) Gain (relative): 2.15dBi / 3.2dBi Impedance: 50ohms Max Power Rating: 10 watts; Length: 7.9" retracted, 31.7" fully extended, 6 sections