ขาย อุปกรณ์ขยายสัญญาณเสาอากาศดิจิตอลทีวี HDTV Antenna Amplifier Signal Booster High Gain Low Noise for TV HDTV Antenna ราคาที่ดีที่สุด

อุปกรณ์ขยายสัญญาณเสาอากาศดิจิตอลทีวี HDTV Antenna Amplifier Signal Booster High Gain Low Noise for TV HDTV Antenna Description: This antenna amplifier booster can enhance signals receiving between your TV antenna and your local broadcast towers. The number of channels you can receive is determined by broadcast in your area. Channel reception is dependent upon distance from broadcast towers, terrain, surroundings, and weather. Specification: 1. Working Frequency : VHF(172-240Mhz) \ UHF(470-860Mhz) 2. VSWR : ≤1.5 3. Impedence : 75 Ω 4. LNA Gain : 25dB 5. Reception Range: 50 miles 6. Cable : 1.5C-2V / Black L=0.6M 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 Included: 1 x HDTV Atenna Signal Booster 1 x Adaptor 1 x Specification Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.