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Vizinex Releases Four New Tags for Specialized Applications

The company, formerly known as RCD Technology, says these products reflect its new focus, and support a variety of commercial applications.
By Claire Swedberg
The Sentry AST Gamma HF 13.56 MHz passive tag was designed for medical sterilization applications. In this case, the tag can be embedded in or attached to medical equipment that must be moved through gamma-based sterilizations, and is designed to sustain that process. The Sentry AST Gamma tag is compliant with the ISO 15693 standard, and incorporates Fujitsu's MB89R1118C chip that has been tested to 80 kiloGrays of radiation, with a read distance of 3 to 4 inches.

The ViziBand full-color logo-branded wristbands were developed for such applications as events or concerts, at which a wristband can act as a ticket, allowing entrance to a venue, as well as enabling a number of options—for instance, linking data to the Internet for functions such as "liking" an event on a social network. The wristband can contain either a UHF or HF inlay.

The fourth new model is a passive UHF EPC Gen 2 RFID tag designed to ensure that it cannot be removed from the asset to which it was initially attached. This tag, known as the ViziGuard, can identify when a tag has been removed or stolen, while continuing to transmit read data. It has a built-in NXP Semiconductors G2iL+ UHF chip, and comes with two extra I/O pins—in addition to the traditional two used in most tags—attached to the antenna. These I/O pins can be utilized as a tamper-detection circuit. Vizinex builds the tag with a low-resistance circuit between those pins. When the tag is removed from the surface, the circuit is broken, becoming an open, high-resistance circuit. A properly configured reader examines the memory location containing the sensor circuit's status. If the circuit is intact, this register is set one way, while if it is open, it is set differently. This enables the interrogator to determine if the tag is still mounted to the original object to which it was attached.

Vizinex will introduce the four new tags at RFID Journal LIVE! 2012, being held this week in Orlando, Fla.

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