HF Ultralight EV1 512Bits ABS RFID Keyfob is made of ABS material with rfid chip and antenna . It will be durable and injection ABS case then sealing rfid chip under ultrasonic machine without any space sideview so that you can use them in out-door harsh environment and waterproof .It will fully compliance with ISO14443A and 13.56Mhz .and 2 kinds of memory can be optional , will 512bits or 1024bits according to your final applications .water proof and small rfid keyfob can easy to take and widely using for hotel ,house and school door control access .It also can encrypt with hotel locks tag and work with locks system for most of hotels .

Utrlight-C 13.56MHz Hotel RFID Keyfob is made of ABS material with rfid chip and antenna . It will be durable and injection ABS case then sealing rfid chip under ultrasonic machine without any space sideview so that you can use them in out-door harsh environment and waterproof .It will fully ISO/IEC14443A  1-3 compliant and 13.56MHz  Ultralight® C rfid chip .this kind of chip is the first smart card IC for limited-use applications that offers solution developers and prociders the benefits of an open cryptography. With 3DES authentication for data access protected and widely uses for transportation or hotel security keytag or e-tickets applications .