AR3 is a 1/2 EIA standard Rack Unit metal chassis single-channel wireless receiver for AR1 & AR2 transmitters. Bright & intuitive LCD front panel display gives necessary information like RF level, Audio levels, working channel & transmitter battery status, etc. With 32MHz operating bandwidth, each receiver band allows up to 10 compatible systems which are interference-free. With multiple bands, it can reach up to 24 compatible systems*. The PLL synthesized circuitry ensures RF transmission reliability with separation from GSM & other EMI interference. AFS (Auto Frequency Selection) functions scan the environment and lock itself in an open interference-free frequency channel. The diversity antenna circuit chooses the better one receiving out of its 1/2 Wave Antennae to give optimum RF stability every time.