Ontopsafe Intelligent Technology Co., Ltd.  

Product Name: 13.56MHz RFID Scanners Guard Card NFC Cheap RFID Blocking Card Data Transmission Mode: / Frequency: High Frequency Power Supply Mode: Passive Card Structure: COB Module Label Category: Passive Read-Write Method: Non-Contact Type Material: PVC Type: Smart Card Function: Security Waterproof: Yes Operating Temperature: -50