Suitable for smaller building units and TV house distribution systems where no return channel is required. Future-proof 1 GHz technology, rotary switch for adjusting the attenuation, interstage equalization fixed at 3 dB, particularly economical thanks to highly efficient, durable and energy-saving switching power supply, high-quality F-connectors for secure contact and thus ingress and LTE protection, test sockets on input and output, extensive ESD/overvoltage protection.