13.56MHz HF RFID keyfob B003

• Dimension: diameter 74mm, diameter 65mm • Color: black, white, red, blue, yellow, gray. • B003, encapsulated by silicone rubber material, is the RFID wrist strap which has three features: waterproof, moistureproof, anti-shock and high temperature resistant. • The wrist strap is elastic, so it is practical convenience and easy to wear. • Widely used in: public swimming baths, waterproof patrol, outdoor work etc. very wet environment. It can be work even in water for a long time. • Available for chips: TK28, TK4100, H4200, EM4102/4450, TK9013, T5567, MF1S50/S70/U10, TKS50, SRI512, SRIX4K, Ti2048, Legic mic256, I-code2, U-Code HSL, U-code G2/CPU card