Proximity Cards
Proximity, RFID, should read from a distance, or should approach means. Is the name of all the cards work this way. Card, keychain, bracelet, sticker, etc. can be produced in many ways.
Proximity products EM Marin, Mifare, Atmel, Legic, HID, UHF as many chips, are manufactured in standard and frequency. Although views on the same chip in a card may be different.
EM Marin, Proximity Cards: 125kHz at work and in 1xff, 1xff, 1xff 3Byte as' income with health data to load. While these numbers are written and never made the chip can not be changed.
Mifare Proximity Cards: 13.56 MHz at work and in the writable area is 1KB. Mifare card, a card ID that can not be changed in any URL is also included. Moreover, these cards are encrypted with the password 2x6bytelık request. It is impossible to read without knowing the password of the content.
Temic Proximity Cards: 125kHz at work and at 330Byte writable area is located inside. Atmel card, a card ID that can not be changed in any URL is also included. Atmel proximity card on request 6 bytes of the password with passwords health. It is impossible to read without knowing the password of the content.
UHF Proxmility Cards: These are the products run on Ultra High Frequency. Because of the large antenna and high-frequency receivers require higher power. Accordingly, but up to 15 meters read range can be.