ITEM NAME:Car AM FM TV radio digital antenna aerial signal AMP amplifier booster AT3C Product Description: 1. supply voltage: DC 10.5 16V 2. power supply: 10 35MA 3. working frequency: UHF40.5 223MHZ VHF450-903MHZ 4. gain: UHF22 + 3DB VHF25 + 3DB 5. noise figure: less than 7DB 6. output impedance: 75 ohms. 7. output standing wave: less than 3 8. ambient temperature: -35 C, +75 C 9. storage temperature: -40 C, +80 C 10. output line length: 3~5m.Radio frequency: 88-108MHZ. output impedance: 75 ohms. output standing wave: less than 3. output line length: 3~5m. gain: UHF22 + 3DB VHF25 + 3DB. storage temperature: -40 C, +80 C. ambient temperature: -35 C, +75 C.