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Unique Antenna Boasts 100 MHz to 1.1 GHz Performance

Cedar Park, Texas, October 14, 2007 - ETS-Lindgren announced the availability of Model 3145BDP, a dual linearly polarized, broadband antenna designed to operate over the frequency range of 100 MHz to 1.1 GHz. Manufactured of stainless steel, with a high resistance to oxidation and corrosion, it is ideal for prolonged outdoor use and harsh operating environments. For indoor use, an aluminum version is also available. Horizontal and vertical polarizations are easily accomplished with this flexible antenna and for added convenience, the base of the antenna features four mounting holes and two Type N connectors. The mounting holes may be used to mount the antenna to a tower or to user specific mounting requirements.

Dr. Vince Rodriguez, ETS-Lindgren's Senior Principal Antenna Design Engineer, commented on the antenna's unique performance, “The precise design of the feed and positioning of the elements on the boom yields optimum phase relationship. This causes the active region, at any given frequency, to propagate RF energy towards the smaller elements, leaving the elements behind it electrically inactive.” Further, he noted the antenna's state of the art technical features stating, “The constant gain of the antenna yields an antenna factor which varies linearly with frequency. The variation is smooth; therefore, accurate interpolation of performance between specified frequency points is simple. In short, this is a serious antenna for demanding engineers.”

The Model 3145BDP is calibrated at 10 meters per ANSI C63.5 at ETS-Lindgren's large ISO 17205 certified open area test site and A2LA-accredited lab - the industry's first for EMC. Actual antenna factors and a signed Certificate of Calibration Performance are included with the antenna. To document the performance of its antennas, ETS-Lindgren performs antenna pattern measurements from 400 MHz to 18 GHz. The patterns for most antennas, as well as the free software to visualize them, may be found at www.ets-lindgren.com/3Dpatterns.

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, wireless and Magnetic Resonance Imaging (MRI) testing, electromagnetic field (EMF) measurement, radio frequency (RF) personal safety monitoring, and control of acoustic environments.

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 www.ets-lindgren.com. Additional information about ESCO and its subsidiaries is available at www.escotechnologies.com.

CONTACT:
Janet O'Neil
Sales & Marketing
ETS-Lindgren
+1-425-868-2558
janet.o’neil@ets-lindgren.com

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