Ambient RC-RB Remote Receiver with RRCM Protective Metal Receiver Cover (Replacement for RCM-RX receiver) Remote Receiver with Protective Cover and Wire Harness Only Only Compatible with Ambient brand remotes. NOT Compatible with Skytech, Acumen, or other brand remotes. Replacement for RCM-RX / RMC RX receiver Receiver for RCT, RCM, RCMT, RCT, RCST, RCB, TLM, TLT, WWTD, and WMTD transmitters only. See Product Description or call 877-669-4669 for Compatibility Questions