RFID Developer AirGATE Testing Surface Acoustic Wave Technology in Harsh RFID Environments

Jul 28, 2004, 01:00 ET from X-Change Corporation

    DALLAS, July 28 /PRNewswire-FirstCall/ -- Surface Acoustic Wave (SAW)
 technology is commonly used in the electronic circuitry of everyday appliances
 like mobile phones and televisions, where the waves are used to filter
 frequencies.  But RFID (Radio Frequency Identification) developer AirGATE
 Technologies, a wholly owned subsidiary of the X-Change Corporation
 (OTC Bulletin Board:   XCHC), believes SAW technology may provide a way to solve
 deployment problems facing companies that have been unsuccessful in deploying
 common RFID technology to identify, track and catalog tagged items in "harsh"
     "RFID applications and environments that involve metal objects, high
 temperatures, long read ranges and the need to read full pallets of metal
 items have shown the capabilities of existing RFID technologies to be too
 limiting under these conditions," said Michael Sheriff, CEO of AirGATE
 Technologies.  "In supply chain applications such as Wal-Mart deployments,
 reading full pallets -- especially those containing cases of metal or liquids
 -- has proven difficult with IC-based tags at 915 Mhz.  We believe that SAW
 technology at 2.4 Ghz. may provide a satisfactory answer to these problems,
 and we are testing the use of this technology as a solution that we can offer
 supply chain RFID customers."
     The basic SAW device is a thin metal film structure deposited on top of a
 piezoelectric crystal substrate with no power supplies.  It reflects radio
 signal based on the pattern etched onto its surface.  These reflections can be
 de-coded into data.  SAWs are employed in transponders to transmit signals
 that are modulated in amplitude and frequency to remote locations, which
 translates well to an RFID application profile using SAW technology.
     About AirGATE Technologies
     AirGATE Technologies is a development stage company specializing in
 wireless data management technologies.  The company designs and develops
 applications utilized in RFID deployments.  AirGATE will deliver RFID
 solutions in selected vertical markets built around a data management and
 integration strategy based on its Matrix Analytic Engine.  This strategy is
 designed to ensure rapid market penetration and maximum return on investment.
 Please visit www.AirGATEtech.com for more information.
     About the X-Change Corporation
     The X-Change Corporation is a company that was organized to seek merger or
 acquisition candidates.  The Company intends to acquire interests in emerging
 technology opportunities, such as RFID, that the Company believes will
 generate significant revenues and return a profit to shareholders.  AirGATE
 Technologies is a wholly owned subsidiary of the X-Change Corporation.  Please
 visit www.x-changecorp.com for further information.
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 Corporation disclaims any obligation to update or correct any forward-looking
 statements made herein due to the occurrence of events after the issuance of
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     For further information, please contact:  Bevo Beaven, Vice President,
 bevo@ctapr.com, or Carl Thompson, Principal, carl@ctapr.com, both of CTA
 Public Relations, +1-303-665-4200, for X-Change Corporation.

SOURCE X-Change Corporation