General description The Sdre-HSM4 868 MHz Remote Control is an ideal replacement for various Hormann and Tubauto transmitters. It features 4 blue buttons and operates on a radio frequency of 868 MHz, making it a versatile option for garage doors and gates. Technical specifications Frequency: 868 MHz Buttons: 4 blue buttons Compatibility and accessories This remote control is compatible with the following transmitters: Hormann HSM4 868 MHz Hormann HS4 868 MHz Hormann HSM2 Hormann HSP4 868 Hormann HS1 868 Tubauto HSM4 868 MHz Tubauto HS4 868 MHz It does not work with Hormann Bisecur models marked “BS” such as HSE1, HSE2, HSE4 868, HS1, HS4, HS5, HSS4, HSP4, and HSD2. Installation The Sdre-HSM4 remote control is programmed by self-learning directly in the receiver located near the motor or motorization of your garage door or gate. You can also program it using a remote control that is already programmed.