... ,Supply Chain Logistic 2.excellent performance 3.13.56MHZ 4 Chip :NXP series chip About the product product Name : HF RFID ring Tag ... handling,Factory automating,ect. Feature:Frequency HF:13.56MHzRFID ChipNXP series(Mifare S50.S70,Mifare Ultralight ,I CODE 2 H3 ect ... .With the advanced equipment ,we have developed large RFID label series operating at HF and UHF frequency, in rectangular and circular ...