Feature 1.100% brand new and high quality 2.Suitable for Digital TV Antenna Amplifier Specifications: 1. Working frequency: VHF (172-240Mhz) UHF (470-860Mhz) 2. Standing wave ratio: ≤ 1.5 3. Impedance: 75 Ω 4. LNA gain: 25dB 5. Receiving range: 200 miles 6. Cable: 1.5C-2V/Black L=0.5M 7. Connector: F male 8. Polarization: Linear 9. Voltage: 5V 10. Power interface: USB 11. Current consumption: 20mA 12. Operating temperature: -45~85 ℃ 13. Storage temperature: -45~85 ℃ 14. Signal support: HDTV DTMB, ATSC, DVB-T, DMB-T, ISDB-T, etc. Enhanced signal: The digital TV antenna amplifier signal enhancer can enhance the strength of the digital TV signal, allowing the TV to receive clearer and more stable signals. This can provide a better viewing experience in areas with weak or obstructed. 4K UHD high-definition: This signal enhancer is suitable for 4K UHD high-definition televisions and can provide higher resolution, more realistic images, and clearer sound. This means you can enjoy a more realistic and shocking viewing experience. Easy to use: Installing and using this signal enhancer is very simple, just connect it to the TV antenna. Enjoy enhanced signals without the need for complex setup and debugging. Cost saving: With digital TV antenna amplifiers and signal enhancers, you don't need to purchase higher priced antennas or pay for cable TV services. This can save you money and still enjoy high-quality TV programs. Multiple application scenarios: This signal enhancer is suitable for various scenarios, including residential, apartment, office, etc. Whether you are watching TV at home or having a meeting in the office, you can benefit from this signal enhancer. 1.material：plastic 2.color：As the pictures shown 3.size：as the picture shows Package include:1pc Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.