General description The Garage Remote Replacement for Sommer 4020 TX03 868-4 is designed to provide a reliable and efficient solution for controlling your garage door. This remote operates on a frequency of 868 MHz and features a rolling code for enhanced security. It is compatible with various Sommer transmitters, allowing you to control up to four garage doors with ease. Technical specifications Frequency: 868.8 MHz (rolling code) Buttons: 4 Coding: via radio Compatibility and accessories Compatible with Sommer TX03 868-4, 4020, 4020V000, 4025V000, 4026V000, 4031V000, 4011V000, 4035V002 Not compatible with Pearl, Pearl Vibe, Pearl Twin, or other models even if the frequency is the same Requires a receiver, motor, or gate opener for programming Usage Enjoy convenient operation with this remote control, allowing you to open or close your garage door at the touch of a button. The stable signal ensures quick response whether you are inside or outside the garage, making every entry and