Product Description Lonsdor Remote Tester for 902mhz 868mhz 433mhz 315mhz, Lonsdor Remote Tester Radio Frequency (FR) Infrared (IR) can detect frequency as well as infrared working or not, which helps a lot in key programming and car maintenance. How to test the frequency?

• Put the remote control close to the device
• Press any button on the remote control
• The indicator that turns on is the frequency

Frequency Test Range: 300MHz-320MHz 434MHz 868MHz 902mhz How to test infrared working or not?

• Press the key
• The infrared indicator turns on - good, off - bad

Package including: 1pc x Remote Tester Radio Frequency (FR) Infrared (IR