Learning type multi frequency 4CH remote control

Mulit-freq remote control duplicators 1. Case with patent and stable function 2. Compatible for both ASK and FSK. 3. Auto-generate signal of destined frequency by the customer. 4. Almost fixed codes in the market can be duplicated. 5. Compare to the adjustable duplicator ,it is much easier and accurater 6. 4 buttons of one remote can be used for 4 different kinds of frequencies or transmitting modes. 7. Self-learning remote control copy face to face without any machine ,copy code and frequency together. 8.Wide frequency range 285mhz-869mhz, the frequency can be customized or auto recognized by the remote itself. 9. It can copy all kinds of remote control for electric doors (such as the sliding door, swing, garage doors, rolling doors, etc.), access control systems (such as remotely electronic door locks, parking lock, etc.), various anti-theft systems (home alarm systems, commercial security systems, vehicle anti-theft system, and other professional anti-theft systems)