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 Features: 1. Free channel: You can use the HDTV antenna to save money and get all the free Full HD channels. It has high gain and low error rate digital TV signal reception and has significant signal enhancement in actual use. Increase his reception of TV shows and eliminate pauses in mosaic images. With a compatible high-gain TV antenna, you can enjoy all news, sitcoms, kids and sports for free. 2. Maximum reception: The booster can enhance the signal that the obstacle between the TV antenna and the local broadcast tower is weakened, and the received signal range can reach 80km. 3. Magnetic antenna base: The magnetic base is added to make it convenient to access more channels; the magnetic base is used to connect the metal, because the thick antenna helps to improve the signal. 4. Industry leading technology: New technology brings moisture and lightning protection to our antennas. With a unique plastic case throughout the network, you can enjoy your favorite TV shows on Thunderstorm Day without worrying about thunderstorms. 5. Compact and lightweight: The tiny but powerful antenna and magnetic base make it very portable. It does not take up a lot of space and is ideal for blending in with the surrounding environment. Descriptions: 1. Easy to install: Simply connect the end of the connected coaxial cable to the connector on the back of the TV. 2. Portable pole design: The durable thin antenna is ideal for optimal reception - 360-degree omnidirectional reception of signals, ideal for indoor use. 3. Advanced quality: Advanced coaxial cable brings uncompressed image quality and worry-free quality. Specifications: Model: TV antenna amplifier Gain: 20DB Frequency range: 172-240 470-860 (MHz) Output impedance: 75 (Ω) Standing wave ratio ≤: 1.5 (dB) Working voltage: 5 (V) Remote control distance: 80K (m) Current Consumption : 20mA Operation Temperature: -45 ~ 85°C Storage Temperature: -45 ~ 85°C Color: Black Size: 330*300 Package Included: 1 * antenna 1 * F conversion head 1 * manual Notes: 1. Due to the difference between different monitors, the picture may not reflect the current color of the item. We guarantee the style is the same as shown in the pictures. 2. Due to the manual measurement and different measurement methods, please allow 1-3cm deviation. Thanks!