The device won't charge

Replace the battery or USB cable to charge it and try to turn it on

If you still can't charge and turn on after replacing the battery, it may be that the battery is over-discharged, keep the charging connection with a USB cable, take out the battery and put it back on, repeat 3-4 times to activate the battery, and then charge it for 30 minutes and try to turn it on again

The scanning head does not scan when the light is out

If you suddenly can't scan it during use, it may be that the barcode being scanned and the barcode of the scanner head are the same, and the scanner head setting has been changed inadvertently, you can try to scan other barcodes and feedback the test results to our company

What is the best distance for barcode scanning

The best scanning distance depends on the size of the barcode, the best distance will become longer when the barcode is large, and the best distance will be smaller when the barcode is small, generally the best distance is between 10-15cm

Environmental requirements for RFID products in the UHF band

Metal substances and liquid substances (water) have strong signal interference to UHF (the closer to the antenna tag, the greater the interference), and anti-metal tags can be used in metal environments, but there is no solution for liquid environments