Specification: />1. Working Frequency : VHF(172-240Mhz) \ UHF(470-860Mhz) />2. VSWR : =1.5 />3. Impedence : 75 O />4. LNA Gain : 25dB />5. Reception Range: 50 miles />6. Cable : 1.5C-2V / Black L=4M />7. Connectors : F Male />8. Polarization:Linear />9. Voltage : 5V />10. Power Supply Connector : USB />11. Current Consumption : 20mA />12. Operation Temperature : -45 ~ 85? />13. Storage Temperature : -45 ~ 85? />14. Compatible with 720p, 1080i, 1080p/ ATSC />package: />1 x TV antenna amplifier/>