433.92 MHz (Standard) or 868.35 MHz (High-security models)
For specific model setup guides and troubleshooting, you can browse the RE CO SYS Manuals & User Guides . RecoSys 2.0 Remote Control Guide | PDF | Switch - Scribd recosys remote manual
Place a new CR2032 or 27A battery into the slot, matching the positive (+) polarity side up. recosys remote manual
Connect a laptop to the CMU using a standard USB Type-B cable or an Ethernet patch cable. recosys remote manual