First, common card reader styles:

1, ordinary card reader: (by swiping the card to open the door, the distance is relatively short)

Common common reader on the market

2, password keyboard card reader: (requires a password or password + swipe card to open the door):

Common password keyboard reader on the market

3, Chinese display card reader (very few in the market, our company for this market vacancy, specially developed a card reader):

Our company developed the latest Chinese display card reader.

4. Long distance card reader: (if there are certain requirements for the swiping distance):

Common long distance card reader

Second, what is a long-distance card reader?

Long distance card reader is to read the card sensing distance is relatively long, generally not used for access control, but for parking lot occasions.

The long distance card reader must be matched with the corresponding card, of which the passive card (there is no battery inside the card) the long distance card reader generally reads the card from 30-90 cm. Active card (The card is large and thick, and has a built-in battery that needs to be replaced regularly.) The long distance card reader can read the card from 1-7 meters. Mainly used for logistics highway toll.

Some long-distance card readers have an anti-conflict mechanism, can read a number of cards in the induction area at a time (the specific number of different products vary), and access control card readers generally require that after the previous card reads the card, withdraw from the induction area, the second card can be read close to, if the first card is still in the induction area, other cards close to it can not be read. The general reading speed of the card reader used for access control is about 0.3-1 seconds per card.