Active wideband micro amplifier that can change your UHF-aerial with F-connector to an active antenna, just by adding this genious little amplifier. Works with 5 VDC from your digital Set Top Box, or with 5-12 VDC from any power supply. Ideal for DVB-T signals. Supplied from STB 5 VDC or PSU 5-12VDC. 1 input/1 output amplifier.