Xhorse XDRT20 Remote Tester V2 is new released tester by Xhorse, support 315Mhz, 433Mhz, 868Mhz, 902Mhz frequency, can support more compared with old remote tester.
Here we will share how to use new Xhorse XDRT20 Remote Tester to test different key frequency.
1. Install battery. Remove the back cover and install 2 batteries.
2. Turn on the tester.
3. Press the remote key, and the remote tester will be on when detect.
4. The benz key is with infrared, IR light is on.
Or you can check our video