The Inland Amplifier uses all-in-one design to allow an easier connection and deliver the correct balance between short and long range reception. The HDTV booster high gain reception enhance the VHF and UHF signal range to assure more channel reception and fewer blind spots. Few Seconds to Install: The amplifier signal booster must be powered to function. Unit can be powered via the USB cable by connecting to any USB power adapter or TV's USB Port.