ขาย เครื่องขยายเสียงสัญญาณดิจิตอล Hdtv สําหรับสายเคเบิ้ลทีวีสุนัขจิ้งจอก Hd 25dB ราคาที่ดีที่สุด

Description: This amplifier can help your TV antenna get more channels, improve the clarity of the frequency, expand the receiving range. With a universal connector, it makes sure you can use it on F Male or IEC connector. Use this amplifier to boost weakened signals if your TV picture is not crystal clear, or you cannot receive the weak signals from far away towers. It also works with any non-amplified TV fox antennas. Plus, it is not recommended to use this amplifier if your house is very close to the broadcast tower and the signal is already very strong. It is a very practical companion for your life. Features: * This amplifier can help your TV antenna get more channels, improve the clarity of the frequency, expand the receiving range. * With a universal connector, make sure you can use it on F Male or IEC connector. * If your TV picture is not crystal clear, or you cannot receive the weak signals from far away towers, use this amplifier to boost the weakened signals. * Works with any non-amplified TV fox antennas. * It is not recommended to use this amplifier if your house is very close to the broadcast tower and the signal is already very strong. Note: * It is not applicable in China, North Korea, Cuba, Vietnam and Laos. * Receiving channels depend on your region and broadcast from the tower, also on the surrounding environment and barriers between your TV and the broadcast tower. * The amplifier can be connected to HDTV directly. If you want to use it on TV, please make sure you have a digital terr. STB to connect to the amplifier. * The amplifier needs a 5V 1A adapter to work, it will not work if you only connect the amplifier to HDTV or digital STB. Please buy an adapter additionally to supply power. Specifications: Working Frequency: VHF (172-240MHz)/UHF (470-860MHz) LNA Gain: 25dB Impedance: 75Ω VSWR: ≤1.5 Reception Range: 50 Miles Power Supply: 5V 1A Power Supply Connector: USB Current Consumption: 20mA Operation Temperature: -45-85℃ Storage Temperature: -45-85℃ Connectors: F Male Material: ABS Color: Black, White (Optional) Cable Length: Approx. 80cm/2.62ft Item Size: 5.5*3.0*2.0cm/2.16*1.18*0.78in Item Weight: 45g/1.56oz Package Size: 19*13*2cm/7.48*5.11*0.78in Package Weight: 55g/1.92oz Package List: 1* Signal Amplifier 1* Universal Connector 1* English User Manual