Xhorse XDRT20 Frequency Tester V2 support 315Mhz/433Mhz/868Mhz/902Mhz. Xhorse XDRT20 REMOTE KEY FREQUENCY TESTER V2. 1pc x XHORSE XDRT20 Frequency Tester. Xhorse KEY FOB TESTER DETAILS. Introducing the Remote Key Frequency Tester, equipped for comprehensive testing in the following areas.
