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The RA4000 EW is a passive omnidirectional wide-band UHF antenna that can be used as a transmitting or receiving antenna for wireless microphones and in-ear monitoring systems. It operates in a frequency range from 470MHz to 952MHz, providing a covering angle of 360° and an antenna gain of 1dB. The RA4000 EW is built with passive technology and requires no powering. It works for short cable lengths up to 10m and supports a professional BNC connector.
The RA4000B/W from AKG is an active wide-band omnidirectional antenna designed for use with the IVM4 wireless monitoring system. The RA4000B/W effectively boosts RF signal and minimizes noise and drop-out during long cable runs, remote antenna / receiver mounting, etc. It can be used indoors or outdoors, and has a rugged, water-resistant case with a BNC input for connecting to your system.
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The antenna has waterproof construction and can be used for indoor and outdoor applications. Using the included universal stand adapter, the RA4000 EW can be mounted on floor stands with 3/8″ or 5/8″ screws.

