Sennheiser AD3700 Directional Antenna for EM3700 Series Receivers

Directional antenna with integrated AB3700 for EM37XX receiver only. The antenna is a broadband log-periodic directional type. An integrated antenna booster compensates for cable losses with amplification settings of 0 dB, +5 dB, +10 dB, and +15 dB. Selected amplification is displayed via LED indication, powering of the booster via the antenna cable. Mountable with standard mounting threads.