TYP.12Db ATSC antenna,Active antenna with built in RF amplifier for digital TV, Special for Car,VHF-H 170-230MHZ,UHF 470-860MHZ 1. Active antenna with built in RF amplifier for digital TV, Special for Car.2. Receiving frequency range VHF-H 170~230MHz,UHF 470~860MHz3.Supply voltage: DC 12V~13.2V From EXT. B(Car Power Supply)4.Operat ion assurance temp. range -20°C~+60°C 5.Storage assurance temp. ...