Chip: Swatch Group Em4102 Wafer Operating frequency: 125KHZ
Sensing distance: 2-20cm Size: 85.5x54x0.82mm
Package material: PVC, ABS
Typical application: Attendance system, access control system, enterprise card system, etc.

Chip: Taiwan 4001 COB: - Operating frequency: 125KHZ
Sensing distance: 2-20cm Size: 85.5x54x2mm
Encapsulation material: PVC, ABS Packaging process: manual paste
No.: continuous number spray code
Typical applications: Attendance system, access control system, enterprise card system, etc.
Chip: Taiwan 8803 Wafer; - Operating frequency: 125KHZ
Read/write distance: 2-20cm Size: 85.5x54x1.05mm
Packaging material: PVC Packaging process: hand lamination
Typical applications: Attendance system, access control system, enterprise one-card system, etc.
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