ANTOP Smartpass Amplifier Signal Booster with High Gain & Low Noise & 4G LTE Filter for Any Non-Amplified Antenna to Boost The Over-The-Air TV Signal Black (5ft USB Cable,3ft and 0.3ft Coaxial Cables) WORKS WITH ANY NON-AMPLIFIED/PASSIVE TV ANTENNA - Boost the over-the-air TV signal received by the antenna including HDTV, 1080P TV and 4K ULTRA HD. BALANCE THE AMPLICATION BETWEEN LONG AND SHORT RANGE - Switched ON to boost weaker signal level reception, and switched OFF to avoid amplification overload for stronger signal reception. The SMARTPASS AMPLIFIER is not recommended for use with an amplified antenna. DETACHABLE FOR MULTI-USE - It must be powered for function. A USB and AC/DC power adapter are included to connect any 5V output to satisfied different needs. 4G LTE FILTER FOR NOISE-FREE TV RECEPTION - This filter blocks 3G and 4G signals from mobile phones, tablets, wireless networks or mobile phone transmitters to ensure a noise-free digital TV reception. WHAT YOU RECEIVED - Smartpass Amplifier and Power Supply Kits, USB AC/DC Power Adapter, USB Cable, Instruction Manual,30-day full refund, 12-month warranty with friendly customer service