433MHz Universal Garage Receiver 2CH DC 12-24V Rolling Code Learning Code Fixed Code Description 1. Power supply: 12V-24V DC 2. Frequency: 433.92MHz 433MHz 3. Codes:Fixed/Learning/Rolling Code 4. 2 Channel 5. Working temperature :-40- + 80 6.Built in Aerial antenna : Reception range 30-100m Compatible with multiple brands such as: AT-4 Aprimatic ATA PTX4 BENINCA CARDIN Crawford Ditec DOORHAN DEA FLORS LIFTMASTER PRASTEL MARANTEC MOTORLINE Product Description 1) Can learn Fixed and Rolling code 433,92Mhz remote controls separately and simultaneously !!! 2) 2 channel receiver provides you with an option to control and use 2 gate automations or alarm systems simultaneously 3) This receiver can be used in cases, when your original receiver#x27;s memory is full and can#x27;t accept any additional remote controls. By connecting this receiver to your system, you can increase the ammount of remotes up to 400. So 400 remote controls can be added to your existing system. 4) This receiver can be used in case, if you need to add more additional remote controls. The original remote controls cost is quite expensive. By connecting this receiver to your system you will save a lot of money, especially if you require 10-20 or more additional remotes. 5)