The HORMANN HEI1-868 is a versatile and reliable 1-channel receiver designed for controlling gate and garage door operators. Operating on the secure 868.3 MHz frequency, this external receiver can be used to integrate Hörmann operators or third-party systems with various control devices like key switches, push buttons, or code pads. Housed in a robust casing with an IP44 protection rating, it is suitable for outdoor installation. The HEI1-868 provides a single potential-free relay output with an impulse function, making it an ideal solution for triggering a single command (e.g., open/stop/close) in your automation setup.