Universal receiver 12 / 24V 400 users 433 and 868 MHz 2 channels. The RE248 U Receiver leaves the factory working on the MUTANcode™ system, being compatible with existing programmers. If you want it to work in MUTAN-II™ mode with the additional advantages that this implies, you must enter an installation key with one of the available programmers of the MUTAN-II™ family.