Enhanced Compatibility: This replacement transmitter is compatible with a wide range of for Marantec models including D302-868, D304-868, D222-868, D313-868, D321-868, D323-868, D382-868, D384-868, D392-868. Ensure seamless operation with these specific models. Frequency Specific: This remote operates at a frequency of 868.3MHz with a black backside, ensuring it matches your for Marantec Digital 868.3 MHz remote. Note: It is not compatible with the 433MHz frequency models that have a light grey back. Dual Door Control: Each of the two buttons on the remote corresponds to an independent channel, allowing you to control up to two garage doors separately. This feature provides a convenient solution for multiple garage setups. The product appearance and printed words may vary from batch to batch, but will not affect the use Color: As Shown Material: plastic Package Contents: 3 x garage door remote