Magetic Card & Barcode Card (Membership Card)
1. Magnetic Card
PVC Magnetic Cards: It is similar to bank credit card. There is magnetic stripe on the backside. It is usually applied in shops. The function of the magnetic stripe is only for storing numbers, for the uniqueness of numbers, which guarantees different card numbers for distinct users. In membership management, members store cash, integral or other forms of discounts through software.
Its characteristic is: convenient and widespread.
Its weakness: the magnetism can be easily lost when closing to strong magnetic field.
2. Barcode Card
Barcode card: there are a series of barcode numbers, which can be read through related scanning machine or barcode card reader. It can also be devided into 39,128 or other barcodes according to different barcode. Barcode card is just a number, which does not store other information. Characteristic: Cheap, similar to magnetic card.