(10PCS/LOT) TK4100(EM4100) RFID 125khz 30mm Coins Smart Tags Read-only Access Control Cards

This order:(black)10pcs 125KHZ tags(EM4100, this chips can't write, only read)Diameter:30mmif needDiameter:40mm tell me +5USBProduct name: new, tour card, tour more new informationChip: ID 4100Diameter:30mm/40mmYan color: black, white, yellowWorking frequency: 125 KHZSpeed of communication: 106 kboudRead and write distance: 2.5 -- 10 cmTime to read and write: 1 to 2 msWorking temperature: - 20 to 85Wipe: number > 100000 timesStorage: > 10 yearsRules: 30mmX4mm/ non-standard cardPackaging materials: PVC, PET, copper 0.13Encapsulation process: automatic ultrasonic automatic plant line/touch weldingProduction standard: ISO 14443, ISO 14443Note: products by ABS shell, internal encapsulating rf card chip through a glue, completely sealed, can completely high temperature resistant, waterproof, shockproof, strong and durable, no fading.Product color: white, black, yellow colorProduct introduction:Products from ABS shell, internal encapsulating rf card chip through a glue, completely sealed, can completely high temperature resistant, waterproof, shockproof,1, strong and durable, do not rub off.2, product waterproof, shockproof,3, according to customers design production.4, 125 KHZ / 13.56 Mhz multiple chips can be on-demand encapsulation, composite packaging.Product application:Suitable for patrolling, trees, animals, access control, public transportation, parking, identity authentication, attendance management, tickets, id paid, product identification, etc.