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Sennheiser AB 3 Antenna Booster
The Sennheiser AB 3 Antenna Booster (B: 626-668MHz) compensates for signal loss over long cable runs by adding 10dB of amplification to EW G3 Series Receivers.
42MHz switching bandwidth and 10dB amplification upgrades G3 receivers
Two AB 3 booster can be used for each antenna feed to compensate for RF losses caused by remote antenna cables