The Sennheiser A1031-U is a passive omni-directional wideband antenna. The Sennheiser A1031-U can be used as a transmitting and receiving antenna for frequencies between 450 and 960 MHz. Swivel joint for attachment to the Sennheiser GZP 10 mounting plate. The swivel joint permits the exact positioning of the unit for optimum coverage.
SIFM (Sennheiser Intermodulation Frequency Management)