UID T5577 Dual Frequency Composite Keychain ID 125 kHz + IC 13.56 mHz Rewritable Access Control Proximity Card

Product name: Dual-frequency keychain card | composite button ID (5577, 5200, 4305) + UID (IC) Product specifications: 45*31*5.5MM Product frequency: 13.56MHZ+125KHZ Product features: It is a readable and writable ID+UID dual-frequency contactless proximity card. 1. Compact appearance, more convenient to carry. 2. It is waterproof, dustproof and shockproof and more durable. 3. Novel colors, rich colors, blue, red, yellow, etc., which are more individual. 4. The surface can be laser coded, marked, etc., without fading or abrasion, and more practical. 5. No need to touch, close sensing, more convenient to use. Scope of application: applicable to community access control, elevators, parking, entertainment implementation, water and electricity management; franchise club membership management; corporate identity authentication, attendance management; school canteen meal card, hot water, laundry, bath management and other card systems.