Xhorse XDRT20 remote tester is compact and cost-effective, easy to carry. It can support IMMO signal and door handle signal test, IR test and support frequency test including 315MHz, 433MHz, 868MHz and 902MHz.
This article will show you how to use this Remote Tester to perform these functions.
When you bring the tester close to the door handle or ignition coil, you will see the IMMO light flash and you will hear the beep.
And when you place a remote close to the Remote Tester, it will stop flashing.
The common frequencies detected by the device are shown below.
We have a 315 MHz remote.
You can see that this light flashes when the frequencies are in the range of 305 MHz to 320 MHz.
Followed by 433 MHz.
And this light will activate when the frequencies are between 430MHz and 436MHz.
And now we detect 868 MHz and 902 MHz.
This area is for IR signal detection.
The light turns on when it receives the infrared signal.
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