Lonsdor RT4 IR FR Remote Frequency Tester
Lonsdor RT4 IR/FR Remote Tester for 868mhz 433mhz 902mhz 315mhz How to test the frequency? 1- Put the remote control close to the device 2- Press any button on the remote control 3- The indicator that turns on is the frquency How to test infrared working or not? Press the...
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