Works with any Wilson in-building amp equipped with N-connectors. Connects amp to splitter tap indoor or outdoor antennas. Attenuates signal less than 1dB. For indoor or outdoor use. N-male/N-male connectors. 75ft. For indoor / outdoor use connect the amplifier to the splitter tap. The 75-ft cable attenuates signal less than 1 dB with N-Male / N-Male connectors.