The SRA2 EW is a passive directional wide-band UHF antenna that can be used as a transmitting or receiving antenna for wireless microphones and in-ear monitoring systems.
The SRA2 B/EW is an active directional wide-band UHF receiving antenna for use with wireless microphone systems. It operates in a frequency range from 470MHz to 952MHz, provides a covering angle of 70° and has a built-in amplifier.