The TK4100 chip and the TK4101 chip are an inexpensive read-only application solution, mainly used in the field of access control and identification. Because of the low price of the chip, the application range is very wide.
The surface can be sprayed with 18 ឬ 10 លេខ, 8 លេខ, can be made into a portable thick card, can be with holes, ងាយស្រួលដឹក. The surface can be personalized to print LOGO, លំនាំឬលេខកូដ QR.