50PCS RFID 125khz Em4305 Rewritable Chip 25mm Coin with Self-Adhesive

Description

Notice:
Not Support:Any "H I D" Device
Don't buy this coin for “Handle R/W Coppier”
Because of the coin antenna is smaller, some R/W devices can read the coin but can not write data.
It is recommended to use a desktop R/W reader(NOT Handle R/W Coppier).
Features:
Chip: EM4305 Writable RFID
Diameter: 25mm
Material: PVC+
Adhensive
sticker
Operation frequency: 125Khz
Capacity:512bits
Protocol:11784/11785
Readable and writable
Detecting distance: 3-10cm
Compatible with Door Entry system
Easy to carry
Water resistant
No external power required.
Brand new card for entrance guard system.
It applies to access control, hotel locks, staff attendance and school campus access and payment control, identification and security systems, parking lot entry and payment, social security management, transportation payment, municipal and ancillary service payment
Package List:
1*50pcs/lot  RFID 125khz Em4305 Rewritable Chip 25mm Coin with Self-Adhesive