Description
Sennheiser AD 3700 Wideband Antenna with Amplifier
The AD 3700 is a broadband log-periodic directional antenna with integrated antenna booster for improving the transmission reliability in multi-channel systems. The AD 3700 can be connected to EM 3731, EM 3732, and EM 3732 Command receivers.
Features:
- Log-periodic directional antenna
- Amplification adjustable in 4 steps (up to 15 dB) to compensate for cable losses
- DC powered from the receiver via the antenna cable
- By-pass switch in case of power failure (ie: antenna then becomes a passive antenna)
- LED operation indicator
- Antenna booster housed in a rugged, splash-proof all-metal housing
- Standard 3/8“ or 5/8“ mounting thread
Specifications:
- Frequency range: 470–866 MHz
- Apex angle (-3 dB): approx. 100°
- Front-to-back ratio: >= 14 dB
- Gain: approx. 3 dB
- Amplification (booster) typ.: bypass (-3 dB), 5 dB, 10 dB, 15 dB adjustable, without DC feed: -6 dB
- Impedance: 50 ohms
- OIP3: >= 32 dBm
- RF connection: 1 x BNC socket
- Power supply: 9–15 V DC / 160–100 mA, DC feed via antenna cable (RF OUT socket)
- Mounting connection: 3/8‘‘ or 5/8‘‘ thread
- Dimensions: 329 x 322 x 23 mm
- Weight incl. booster: 625 g
