Radio frequency is 868.8 MHz, range 50 m, number of commands 5, power supply with battery ehl, 868 MHz Somloq Rollingcode is safe against code scanning. Misuse by unauthorized persons is thus prevented. The frequency modulation (FM) method used is less susceptible to interference and increases transmission reliability. Due to the good selectivity, the radio signal from the transmitter can be easily distinguished from other radio signals by the receiver and can be received safely. We guarantee consistently high quality over a long service life and only use high-quality components for our products.