Introduction: Clamshell Card is encapsulated with RFID transponder inside and ABS shell and PVC cover label. The thickness is about 1.8mm which is thicker than 0.8mm ISO standard card, so it is also called thick card. Owing to its simple encapsulation form, clamshell card is more costeffective than other smart cards in many applications, which also makes it one of the best selling RFID cards. There's a hole in the upside of the card, which is for hanging with a lanyard. Therefore, it is widely used in access control, work attendance, logistics, identification, etc Specification: Product name: Clamshell Card Material: Hard shell: ABS, Cover foil: PVC(Matt surface) Color: White Size: 85.5x54x1.8mm Chip name: EM4100, EM4102, TK4100, T5557, Hitag2, Hitags 256. MIFARE Ultralight, MIFARE Classic; ICODE, Legic, SR176, TI2048 Frequency: 125KHz and 13.56MHz Reading distance: Depends on the reader and chip Working temp.: -25º Cto 50º C Storage temp.: -25º Cto 50º C Weight per card: 9.5 grams Other Features: Access control Work attendance Identification