ITEM NAME:13.56 MHz IC Keychain Entrance guard buckle G9A8 13.56 MHz IC Keychain Entrance guard buckle G9A8 Main Chip: Fudan F08 compatible S50 Small, durable, do not fade Waterproof, shockproof, anti-corrosion It can be hung on the key ring for easy carrying channeling Memory capacity: 8-bit, 16 partitions, each partition with 2 group password; Size: approx .. 40.5 × 32 × 4.2 mm Operating frequency: 13.56 MHz; Communication speed: 106K Boud; Read and write distance: 2.5 ~ 10 cm; Read and write time: 1 ~ 2 ms; Operating temperature: -20 centigrade ~ 85 centigrade; Endurance: Greater than 100,000 times; Color: Random Typical applications: enterprise card / campus, bus stored value card, highway fees, parking, district management, attendance systems, patrol, business systems, access control systems, radio frequency identification field and so on. Note: This product can be used on the phone with NFC, working frequency is 13.56MHZ. Package Included: 1 x induction buckle Note: Random color, don't accept the specified color. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.