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 yellow light will flash;

2)When the key frequency is in the range of 305-320MHz, the green light will flash;

3)When the key frequency is 868MHz, the red light will flash;

4)When the key has infrared, the IR white light will flash after frequency light in sequence.


Video Guide:
More info about Xhorse Frequency Tester V2 to be update…
www.xhorsetool.co.uk