The 12V power supply unit for antennas (non-adjustable) is designed for connecting amplifier boards with a 12V voltage for Polish and other antennas with similar amplifiers. The 12V power supply unit for antennas (non-adjustable) includes an antenna plug where a coaxial cable is connected. Specifications of the 12V power supply unit for antennas (non-adjustable): Input voltage - 230V Output voltage - 12V Maximum current - 100 mA.