Advantages
1. Portable Design
2. Easy Operation
3. Clear Display
4. Data Reliable
Frequency Test Range
1. 300Mhz—320Mhz
2. 434Mhz
3. 868Mhz
Way to Test Frequency
1. Power on the device
2. Put the remote control close to the device
3. Press any button on the remote control
4. The lit indicator shows the frequency
Way to Test Infrared Working or not
The infrared works well if the indicator lit up after pressing the key button, otherwise, it is in malfunction