Sennheiser EW-D AB Inline Antenna Booster

Boost your wireless antenna's signal for an extra 10 dB of gain with the EW-D inline antenna booster from Sennheiser. Uses BNC-type connectors.

Inline antenna booster, +10 dB gain, BNC connectors, frequency range: Q (470-550 MHz) and R (520-608 MHz).
WARNING: Cancer and Reproductive Harm -

Dimensions and Weight in Packaging
Band Q (470-550 MHz)
Shipping Weight: 0.5 lbs
Shipping Dimensions: 5 x 4 x 1 in
Manufacturer Part Number (MPN): 508873
Band R (520-608 MHz)
Shipping Weight: 0.25 lbs
Shipping Dimensions: 5 x 4 x 1 in
Manufacturer Part Number (MPN): 508874

Consumer Alert

Most users do not need a license to operate this wireless microphone system. Nevertheless, operating this microphone system without a license is subject to certain restrictions: the system may not cause harmful interference; it must operate at a low power level (not in excess of 50 milliwatts); and it has no protection from interference received from any other device. Purchasers should also be aware that the FCC is currently evaluating use of wireless microphone systems, and these rules are subject to change. For more information, call the FCC at 1-888-CALL-FCC (TTY: 1-888-TELL-FCC) or visit the FCC's wireless microphone website at

NOTE: None of the wireless systems we carry are capable of violating the FCC guidelines stated above. We are presenting this information as a matter of legally required disclosure.

For support or warranty questions, please contact the manufacturer:
Phone: 877-736-6434

Band Q (470-550 MHz)

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