When proximity card it's in its simplest form, a custom plastic card for can simply have a unique number on it, more tangible benefits will accrue if your card contains a magnetic strip or barcode. This will enable you to evaluate the prosperity of sales and promotions and track customers' spending habits.

Smart cards can be used credit and debit cards. Prepaid cards are programmed by you to use because of your company. They bring retail credit cards and employee discount cards.

Membership and hospitality cards are used in clubs, hotels, retailers and schools. Key cards, gift cards and loyalty cards will also be most notable group.