STI - PSU - 7712 This power supply is designed for TNT TV antenna installations, or others. It allows the power supply of the preamps, or active 4G 5G filter operating with a voltage of 12V. Thanks to this power supply in your installation equipped with coaxial cable, you increase the power of the signals received in order to benefit from the best picture quality on your televisions. 2 female F plugs, 1 input and 1 output Complies with European standards. Indoor use.