Product name:HF Anti-metal sticker tag
Chip:Mifare S50,Mifare S70. F08
Reading range:<10mm(It depend on what is your reader power)
RFID Anti-Metal Sticker,Stick on RFID Card Read On Metal
People want to put their RFID card in the cover of the Phone back size.but when they try to read the RFID card,it can’t be read,because the signal is interfered by the Metal in the Phone.
But if you stick this anti-metal sticker on the RFID Card,but make sure the anti-metal sticker should need to clip between the card and the phone.Then your RFID Card can be read.
But make sure your phone case is not Metal case,Should need to be plastic Case.