Ekahau RTLS Enables Xmark To Broaden Range of Tracking Offerings

Saratoga, CA --- August 13, 2007 --- Ekahau Inc., a leading provider of Wi-Fi-based Real Time Location Systems (RTLS), today announced that it has entered an agreement with VeriChip Corporation (NASDAQ: CHIP) to collaborate on wireless solutions for the healthcare market.

The agreement covers RFID-based healthcare security systems from Xmark, a VeriChip subsidiary, and Ekahau’s Wi-Fi-enabled RTLS. Specifically, the companies will collaborate on providing solutions around asset tracking, infant protection, patient safety and theft prevention in the healthcare industry. Solutions such as wander prevention, perimeter security and campus to bed-level tracking of assets are initial areas of focus for the collaboration. The two companies are also cooperating on an integrated solution that combines RFID and Wi-Fi technologies to suit the particular needs of certain customers.

"We expect this agreement to boost the market visibility of Xmark’s Assetrac asset tracking system, and further support sales of our infant protection and wander prevention systems," Daniel A. Gunther, President and CEO of Xmark, said of the agreement. "By partnering with Ekahau, we can offer our customers a broader range of solutions for all their locating, tracking and security needs."

"This agreement combines the best wireless solutions available to the healthcare marketplace," said Antti Korhonen, president and CEO of Ekahau. "Xmark offers a superior solution for a variety of security applications, while Ekahau has been extremely effective in tracking assets across large hospital campuses. Together we can offer hospitals the technology they need to meet their most urgent needs."

For more information on Xmark’s products, please contact 1-866-55–XMARK or e-mail Additional information can be found online at www.xmark.com. Information about Ekahau’s RTLS product portfolio can be found online at www.ekahau.com, by calling 1-866-4EKAHAU, or e-mailing

About Xmark
Based in Ottawa, Ontario, Xmark is a wholly owned subsidiary of VeriChip Corporation. For over 25 years, Xmark Corporation has provided Radio Frequency Identification (RFID) solutions to identify, locate, and protect people and assets in healthcare environments. Its market-leading infant protection, wander prevention, personal duress, and asset tracking applications are trusted by over 5,000 healthcare institutions worldwide to keep individuals safe.

Xmark products are installed and serviced through an international network of authorized dealers, backed by a dedicated technical services department at Xmark. All aspects of Xmark’s business are certified to the ISO 9001 quality standard. Additional information can be found online at www.xmark.com.

About VeriChip
VeriChip Corporation, headquartered in Delray Beach, Florida, develops, markets and sells radio frequency identification, or RFID, systems used to identify, locate and protect people and assets. VeriChip's goal is to become the leading provider of RFID systems for people in the healthcare industry. In addition, VeriChip recently began marketing its VeriMed(TM) Patient Identification System, a passive RFID system for rapidly and accurately identifying people who arrive in an emergency room and are unable to communicate. This system uses the first human-implantable passive RFID microchip, the implantable VeriChip(TM), cleared for medical use in October 2004 by the United States Food and Drug Administration.

VeriChip Corporation is majority-owned by Applied Digital Solutions Inc. (Nasdaq: ADSX), which also owns a majority position in Digital Angel Corporation (Amex: DOC). For more information on VeriChip, please call 1-800-970-2447, or email Additional information can be found online at http://www.verichipcorp.com.

About Ekahau Inc.
Ekahau Inc. is the industry leader in providing Wi-Fi based RTLS solutions. Ekahau's customers, including several Fortune 500 companies worldwide, are realizing the benefits of Wi-Fi based location services and innovative Wi-Fi network planning and optimization tools. Ekahau partners include wireless software developers, leading system integrators, and international OEM partners, who develop and market wireless enterprise applications. Ekahau is a U.S. based corporation, with offices in Saratoga, CA; Reston, VA; Helsinki, Finland; and Hong Kong, China. For more information about Ekahau, please visit at www.ekahau.com