Xhorse XDRT20 Frequency Tester Quick Use Guide
Xhorse XDRT20 Frequency Tester can support to detect different frequencies, like 315Mhz, 433Mhz, 868Mhz, 902Mhz and other major frequency bands. This is a quick guide on how to use Xhorse XDRT20 to test frequency. 1.Open the back cover to install 2 batteries, turn on the XDRT20 tester. 2.Press any button of key to detect: 1)When key frequency is in the range of 430-436MHz, the yellRead More…