For EM3731 & EM3732 Receivers Up to 15dB Amplification Bypass Switch Standard 3/8″ or 5/8″ Mount The Sennheiser AB 3700 Broadband Antenna Booster is an inline RF signal booster for the Sennheiser EM3731, EM3732 and EM3732 Command receivers. The antenna significantly boosts RF strength and gain during long BNC cable runs. The AB 3700 features up to 15dB of amplification and mounts to a standard 3/8″ or 5/8″ stud. Amplification adjustable in 4 steps (up to 15 dB) to compensate for cable losses DC powered from the receiver via the antenna cable Bypass switch in case of power failure LED operation indicator Antenna booster housing in a rugged, splash-proof all-metal housing Standard 3/8″ or 5/8″ mounting thread Frequency Range 470-866MHz Amplification Bypass (-3dB), 5dB, 10dB, 15dB adjustable, without DC feed: -6 dB Impedance 50 Ohms OIP3: > = 32dBm Connection 2x BNC Sockets Power Supplies 9-15 V DC / 160-100 mA, DC feed via antenna cable (RF OUT socket) Mount 3/8″ or 5/8″ thread Size 3.14 x 2.51 x 0.94 ″ (80 x 64 x 24mm) Weight 9.4 oz (265g) Packaging Info Package Weight 0.8 lb Box Dimensions (LxWxH) 5.9 x 4 x 2.6 ″
