Access card is to have access control system in the card, it is mainly through the administrators settings, so that users enter the designated management area, Wu access card or permission people can not enter the area, the emergence of access cards so that the community, enterprises have been standardized management.
ID access card overview.
Disadvantages: ID card can be directly inductive, and low cost, so many communities, businesses are choosing ID card to make access cards, but IC cards are easy to copy so there are many security risks, some high-end community access cards, two seconds to be cloned, copy the good card can be "perfect" to open the door to the community. However, the current cards can be copied are ID cards, this card structure is simple, and no encryption, it is easy to be cloned.
Advantages: ID cards are inexpensive and easy to manage
IC access card overview.
IC access card is also called integrated circuit card, it reads and writes in the radio frequency reader to send a set of fixed-frequency electromagnetic waves to the IC card, the card has an IC series co-vibration circuit, its frequency and the reader to transmit the same frequency, so that under the excitation of electromagnetic waves, LC co-vibration circuit resonates so as to read.
IC card advantages.
1、Large storage capacity
3、With data processing function, when exchanging data with the reader, the data can be encrypted and decrypted to ensure the accuracy and reliability of the exchanged data.
4、Long life of use
Disadvantages: the cost is higher.
So IC access control card cost is high, many of the community choose to use ID cards, due to the recent ID cards are often copied, in order to ensure the safety of residents, many of the community are gradually turning to IC access control card.