The Sennheiser AB 3700 is a professional active antenna booster designed to enhance RF signal strength across a wide frequency range of 470–866 MHz. With a fixed 15 dB gain, it improves reception quality in complex or long-distance wireless setups, helping to maintain a stable connection between transmitters and receivers.
Equipped with BNC connectors and a standard 3/8" mounting thread, the AB 3700 integrates easily into touring rigs, broadcast setups, and fixed installations. Ideal for use with Sennheiser’s wireless systems, it ensures optimal performance in RF-challenging environments.