General description The Garage Door Remote Control for SOMMER is a compact and user-friendly handheld transmitter designed for seamless operation of various Sommer drives. With four channels, it allows you to learn and control up to four different devices, making it a versatile replacement for your old remote. The robust design includes a protective sliding key cover for added durability. Technical specifications Frequency: 868 MHz Buttons: 4 Color: Black and Silver Material: Plastic and Metal Dimensions: Measurement allowed error is +/- 1-3 cm Compatibility and accessories This remote control is compatible with the following models: SOMMER 4020 TX03-868-4 SOMMER 4026 TX03-868-2 APERTO 4021 APERTO 4025 SOMMER 4011 SOMMER 4025 SOMMER 4031 SOMMER 4035 SOMMER 4025 BLUE 4011V000 4020V000 4025V000 4026V000 4031V000 4035V002 It is important to note that this remote is not compatible with Sommer 868 MHz SOMloq2 models (Pearl, Pearl Twin, Pearl handheld transmitters) or SOMMER TX55 868