Xhorse Remote Tester Radio Frequency (FR) Infrared (IR) can detect frequency as well as infrared working or not . This one not support 868MHZ.

 

Frequency Test Range:

1.300Mhz-320hz

2.434Mhz

Way to Test Frequency:

Put the remote control close to the device 

Press any button on the remote control

The indicator that turns on is the frquency 

 

Way to Test Infrared Working or Not:

Press the key.

The infrared indicator turns on - good, off - bad. 

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