Raogoodcx Universal 4-Channel RF Wireless Remote Control Key for Garage Door Cloning Electric Gate Opener Remote Transmitter 433 MHz or 433.92 MHz 4-Channel RF Wireless Remote Control Duplicator for Garage Doors, Gate Doors, Alarm Systems etc. This is a fixed frequency remote cloner (433.92mhz) for copying 99.99% common fixed and learning code remote controls including Came, FAAC, NICE etc. Operating frequency: 433 MHz or 433.92 MHz Clone up to 4 remote signals from 4 different remotes! Please note, this remote can ONLY clone fixed code 433 MHz or 433.92 MHz remote controls. It is not compatible with rolling/billion code remote controls.