Proximity contact less card

Proximity contactless cards 1. Description: RFID tag is a microchip combined with an antenna in a compact package, the packaging is structured to allow the RFID tag to be attached to an object to be tracked. RFID stands fro Radio Frequency Identification. 2. Principle: The tags antenna picks up signals and then returns the signal, usually with some additional data (like a unique serial number or other customized information) 3. Size: RFID tags can be very small- the size of a large rice grain. Others may be the size of a small paperback book. Feature: Thickness: 0.3mm Antenna material: Copper Chip Type: UL.S50, S70, I-code, TI2K and UHF, etc Memory: 1K, 2K, 4byte or more. Useful time: * times. Working temperature:-20~70°C Frequency: 915MHz, 13.56 MHz, 125 KHz, etc.

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