Cookeville, TN | REI announces the new Mobility Enhanced Spectrum Analyzer (MESA™), a portable handheld spectrum analyzer that delivers precision, high performance, and versatility for assessing RF energy in a variety of environments. The MESA™ is capable of detecting known, unknown, illegal, disruptive, or interfering transmissions throughout a wide frequency span up to 6 GHz (12 GHz with Down Converter antenna).
The MESA™ includes testing modes for RF spectrum analysis, Wi-Fi, Bluetooth, Mobile Bands and includes a new Patent Pending SmartBars™ mode that displays like a broadband receiver and uniquely highlights changes in RF energy in a bar graph display.
MESA™ is slightly larger than a typical DSLR camera, weighs about the same and is the only spectrum analyzer of its kind to be completely touch screen controlled.
For the full press release on the New MESA™ click here.
For additional product information click here.

COOKEVILLE, TN, March 6, 2020 – Research Electronics International (REI) President, Tom Jones announced today the company will donate $20 thousand to the Cookeville-Putnam County Tornado Relief Fund, to help victims of the March 3rd tornado that hit middle Tennessee. Additionally, Victor H. Mendelson Co-President and Chief Executive Officer for HEICO Corporation’s Electronics Technology Group, REI’s parent company since June 2019, announced it will make a matching donation of $20 thousand for a combined contribution of $40 thousand.


MIAMI & COOKEVILLE, Tenn.–(
The most commonly used antenna included with the ANDRE Near-field Detection Receiver is the Whip antenna. It is significantly larger than the other antennas and is an effective general-use antenna for locating RF signals. In this article, we will dig into how the whip antenna is designed and why it is considered the more commonly used antenna in the kit.

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