Sennheiser AB 4 Inline Antenna Booster Module (AW4+ Band / 470-558 MHz)The AB 4 is a filtered, inline antenna booster module with BNC connectors, designed to offer typ. +12dB of boost to compensate for signal losses created by long antenna cable runs. The AB 4 is fully compatible with all legacy evolution wireless systems. Additionally, the AB 4's filters have been expanded to support the bandwiths up to 88 Mhz. Features: Boosts filtered signal by typ. 12dB No power supply necessary Compact full metal housing What's In

Cardioid or Omni polar pattern using interchangeable capsules

Inputs 1/L and 2/R can be selected for mono or stereo link operation

accurate timing

it requires phantom power

but without the high-current output stage

Included PS27s power supply

increasing the headroom for improved signal handling and lower distortion

Therefore a single shielded pair (or 3-conductor cable) is required for remote connection

Switch a Mic-Level Source to a Mic or Line Level Output

What makes the Catapult system unique is that it utilizes Cat 5 Ethernet cable

Tough metal casing for durability

Due to the integrated antennas