General description The Sdre-HSM4 868 MHz remote control is an ideal replacement for various Hormann and Tubauto transmitters. It features four 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 Number of buttons: 4 Color: Blue Compatibility and accessories Replaces Hormann transmitters: HSM4 868 MHz, HS4 868 MHz, HSM2, HSP4 868, HS1 868 Replaces Tubauto transmitters: HSM4 868 MHz, HS4 868 MHz Does NOT work with Hormann Bisecur models: HSE1, HSE2, HSE4 868, BS HS1, HS4, HS5, HSS4, HSP4, HSD2 Installation Programmed via self-learning directly into the receiver located near the motor or motorization of the garage door or gate Can also be programmed using an already installed remote control