Tamper Proof Uhf Rfid Tags 1 - 8M Reading Range For Equipment Assert

As reading distance increases, there may be applications where a number of electronic tags used in the reading area at the same time, which made the demand for multi-tag read simultaneously, and developed this demand into a species trends. Currently, advanced radio frequency identification systems treats multi-tag reading problems as an important feature of the system.

Description:

1. Chip: Alien, Impinj etc…

2. Frequency: 860-960MHz

3. Protocol Standard: ISO18000-6C

4. Read/Write Endurance: 100,000 times

5. Operating Temperature :-20°C to + 55°C

Applications:

1. Access security Control
2. Membership Management
3. Asset Management
4. Warehouse Management

INTRODUCTION TO UHF (Ultra High Frequency) RFID Standards and Frequencies:

In the UHF (Ultra High Frequency) band, where RFID tags work according to the principles of the electromagnetic coupling, the most popular technology at the moment is the one based on ISO 18000-6C protocol, best known as EPC Class 1 Gen 2 or for short Gen 2. The EPC Class 1 Gen 2 standard was proposed by the private organization EPCGlobal and then adopted in 2006 as ISO 18000-6C standard by the International Standards Organization (ISO).

The EPC Class 1 Gen 2 standard was created to address some issues of previous UHF RFID standards conceived for logistics applications (such as the ISO 18000-6a and the ISO 18000-6b ). The new standard was developed specifically to track fluxes of goods between different companies and across all world regions with good read performance in environments with a high density of tags.

According to the standard specifications, EPC Class 1 Gen 2 tags have four memory banks: reserved, EPC, TID and user memory. The EPC bank, typically 96 bit in size, is the one that mainly characterizes EPC Gen 2 tags. It allows to univocally identify an enormous number of objects and controls anti-collision and wake-up functions. Since the EPC number is programmed by the user, more and more Gen 2 RFID tags in the market, as well as tags of other technologies, have a unique serial number that is set at the factory by the IC manufacturer and is inalterable in order to make the tag really unique. This feature is particularly important in applications where counterfeiting is an issue.

EPC Gen 2 RFID tags work in the frequency band that goes from the 860 MHz to the 950 MHz, but there are three main frequency sub-bands used in different geographical regions :

- Europe, India, Middle East, Africa: 865-868 MHz (ETSI)

- US (plus South America and some regions of Asia): 902-928 MHz (FCC)

- Japan: 950-956 MHz (JPN)

There are EPC Gen 2 tags that are designed to work well across the entire 860-950 band and others that are optimized to provide the best performance in a specific sub-band.

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