Extensive Compatibility with 433.92 MHz Systems: Compatible with many radio receivers operating on the 433.92 MHz frequency using a rolling code system. Ideal as a replacement for ON1E, ON2E, ON4E or other similar 2 or 4 channel remote controls. Works with most gate and garage door operators sold with this type of remote control. Not suitable for fixed code or different frequency systems. Maximum Security with Rolling Code: Equipped with a secure rolling code system that generates a new code with each use, thus preventing unauthorized copying of the signal. Reliable protection for your home or business. 2 Channels for More Control: Allows you to control up to two different devices (gate, garage, barrier, etc.) with a single remote control. Operating range up to 200 meters in open field for optimal comfort. Easy Programming by Self-Learning: The pairing procedure is quick and simple: simply approach the remote control to a compatible receiver and follow the standard steps (often via a