The AXR-RF Radio Receiver  FG7820-41 no antenna or power supply

The AXR-RF Radio Receiver (FG7820-XXX) provides wireless reception of AMX radio frequency (RF) transmitters. The AXR-RF connects to an Axcess Central Controller with an AxLink, 4-pin captive-wire connector. When required for large areas, or multiple-room coverage, multiple receivers can be connected in parallel on the AxLink bus. 

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