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Wi-Fi Alliance® Research and Development Lab Installs Low Reflectivity Verification Chamber

CEDAR PARK, Texas, June 10, 2008 - ETS-Lindgren announced completion of a Low Reflectivity Verification (LRV) Chamber at the Wi-Fi Alliance Research and Development Lab in Santa Clara, California. The new LRV chamber is designed to test and certify the interoperability of Wi-Fi devices. It will be used to perform many tests, including baseline Wi-Fi certification for 802.11a/b/g, WPA™ (Wi-Fi Protected Access), Wi-Fi Protected Setup™, WMM® (Wi-Fi Multimedia™), and Wi-Fi CERTIFIED™ 802.11n draft 2.0. The LRV chamber will also be used for Wi-Fi Alliance Test Engine development. In addition, the LRV chamber facilitates the rapid development of new test plans and will familiarize the eleven Wi-Fi Alliance Authorized Test Labs worldwide with this new testing technology.

ETS-Lindgren has numerous “firsts” to its credit in wireless testing – including designing and installing the world's first WiMAX Forum™ Designated Certification Laboratory as well as the world's first system for performing CTIA Part 2 Over the Air (OTA) performance testing. This novel LRV chamber at the Wi-Fi Alliance is yet another example of an industry “first”.

“The addition of the LRV chamber augments our capabilities and brings an important tool online for our testing activities,” said Wi-Fi Alliance executive director Edgar Figueroa. “As a member of the Wi-Fi Alliance, ETS-Lindgren shares our commitment to delivering the best user experience with Wi-Fi.”

While many of the tests performed in the LRV chamber are relatively standard in the industry, the Wi-Fi Alliance will also perform unique certification testing with approximately five individuals seated simultaneously at a table within the chamber for up to 30-minute increments. In order to maintain an accessible, safe and comfortable environment, ETS-Lindgren provided fiber optic lighting for reduced heat generation, waveguide air vents for ample ventilation, anti-static vinyl floor tile, and seismic anchors with wet stamp calculations.

ETS-Lindgren designed and installed the LRV chamber using its Series 81™ modular panel RF shielding system and provided all components, including its Recessed Contact Mechanism (RCM) RF shielded door, power line filters, and lossy foam absorber capable of handling 200 V/m per NRL Report 8093 (Tests 1, 2, and 3). Shielding performance is 100 dB from 200 kHz to 50 MHz (electric field), 100 dB from 50 MHz to 1 GHz (plane wave), and 20 dB at 1 kHz, 56 dB at 10 kHz and 100 db at 200 kHz (magnetic field). The chamber achieves approximately -15 dB of reflectivity in the 2 to 4 GHz S-Band. For more information on the specific Wi-Fi Alliance LRV chamber, click here.

About the Wi-Fi Alliance

The Wi-Fi Alliance is a global, non-profit industry association of more than 300 member companies devoted to promoting the growth of Wireless Local Area Networks (WLANs). With the aim of enhancing the user experience for wireless portable, mobile, and home entertainment devices, the Wi-Fi Alliance's testing and certification programs help ensure the interoperability of WLAN products based on the IEEE 802.11 specification. For more information on the Wi-Fi Alliance, visit

Wi-Fi®, Wi-Fi Alliance®, WMM®, the Wi-Fi CERTIFIED logo, the Wi-Fi logo, and the Wi-Fi ZONE logo are registered trademarks of the Wi-Fi Alliance; Wi-Fi CERTIFIED™, Wi-Fi Protected Setup™, Wi-Fi Protected Access (WPA) ™, Wi-Fi Multimedia™, and the Wi-Fi Alliance logo are trademarks of the Wi-Fi Alliance.

About ETS-Lindgren

ETS-Lindgren is an international manufacturer of components and systems that measure, shield, and control electromagnetic and acoustic energy. The company's products are used for electromagnetic compatibility (EMC), microwave and wireless testing, electromagnetic field (EMF) measurement, radio frequency (RF) personal safety monitoring, and control of acoustic environments. For more information on wireless test chambers, visit

Headquartered in Cedar Park, Texas, ETS-Lindgren has manufacturing facilities in North America, Europe and Asia. The company is a wholly owned subsidiary of ESCO Technologies, a leading supplier of engineered products for growing industrial and commercial markets. ESCO is a New York Stock Exchange listed company (symbol ESE) with headquarters in St. Louis, Missouri. Additional information about ETS-Lindgren is available at Additional information about ESCO and its subsidiaries is available at

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Fax +1.512.531.6500 Fax +358.2.8651.233 Fax +44(0)1438.730751 Fax + Fax +8610.8275.5537 Fax +81.3.3813.8068

Information presented is subject to change as product enhancements are made. Contact ETS-Lindgren Sales Department for current specification.