Proximity Contactless Rfid Smart Card With Signature Panel
These are smart cards that employ a radio frequency (RFID) between card and reader without physical insertion of the card. Instead, the card is passed along the exterior of the reader and read. Types include proximity cards which are implemented as a read-only technology for building access. These cards function with a very limited memory and communicate at 125 MHz. Another type of limited card is the Gen 2 UHF Card that operates at 860 MHz to 960 MHz.
True read and write contactless cards were first used in transportation applications for quick decrementing and reloading of fare values where their lower security was not an issue. They communicate at 13.56 MHz and conform to the ISO 14443 standard. These cards are often protected memory types. They are also gaining popularity in retail stored value since they can speed up transactions without lowering transaction processing revenues (i.e. Visa and MasterCard), unlike traditional smart cards.
Variations of the ISO14443 specification include A, B, and C, which specify chips from either specific or various manufacturers. Contactless card drawbacks include the limits of cryptographic functions and user memory, versus microprocessor cards and the limited distance between card and reader required for operation.
| HF:13.56MHz |
| Chips | Memory | Protocol |
| MF Classic 1K | 1K Byte | ISO14443A |
| MF Classic 4K | 4K Byte | ISO14443A |
| MF Plus 2K | 2K Byte | ISO14443A |
| MF Plus 4K | 4K Byte | ISO14443A |
| MF Ultralight | 512 bit | ISO14443A |
| MF Ultralight C | 1536 bit | ISO14443A |
| MF EV1 2K | 2K Byte | ISO14443A |
| MF EV1 4K | 4K Byte | ISO14443A |
| MF EV1 8K | 8K Byte | ISO14443A |
| TOPAZ 512 | 512 Byte | ISO/IEC 14443 |
| 203 | 144 Byte | ISO/IEC 14443 |
| 213 | 168 Byte | ISO/IEC 14443 |
| 215 | 504 Byte | ISO/IEC 14443 |
| 216 | 888 Byte | ISO/IEC 14443 |
| I CODE SLI / SLI-X | 1K bit | ISO/IEC 15693 |
| I CODE SLI-S | 2048 bit | ISO/IEC 15693 |
| I CODE SLI-L | 512 bit | ISO/IEC 15693 |
| TAG-IT TI2048 | 2K bit | ISO/IEC 15693 |
| LF: 125KHz |
| Chips | Memory | Protocol |
| EM4200 | 128 Bit | ISO11784/5 |
| EM4305 | 512 Bit | ISO11784/5 |
| TK4100 | 64 Bit | ISO11784/5 |
| Magnetic Stripe: Loco(300OE), HiCo(2750OE, 4000OE) |
Details of Contactless Smart Cards:
Contactless smart cards are a very different technology from RFID tags. Both are wireless, meaning they can communicate using radio like a cell phone, but contactless smart cards are far more advanced and secure. Contactless smart cards have small but sophisticated computers inside them. They deliver the highest levels of computer security to protect your identity, privacy or financial information. Contactless smart card technology is suitable for uses such as identity credentials, passports and payment cards.RFID (Radio Frequency IDentification) tags and labels are used mostly in manufacturing, shipping and object-related tracking. They have minimal built-in support for security and privacy. WalMart and others have been working to use RFID tags to replace bar codes on store-bought items to scan purchases and track inventory, for example. Another important point is how far away someone can read the cards or tags. Contactless smart card technology has a very limited read range of four inches or less to prevent tracking or eavesdropping. You can read RFID tags from much further away, however, up to thirty feet. This RFID feature lets you find items in a warehouse or identify railcars as they pass by, typical uses of RFID.
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