A Small Business, U.S.A. owned Company...

Tel:  USA (508) 378-1112:  Fax: USA (508) 378-2410

680 North Bedford Street,  2nd Floor, East Bridgewater, MA.  02333   U.S.A. 

SPECIALISTS in High Frequency Testing, Fixtures, Passive Components, Design ......  Design Consultants for Ferrite Devices, Rotary Joints. Microwave Absorbers and Terminations...

Testing components IAW Mil-PRF-39012, ASTM 2520, D257, and A342/A342M

Operating to the Quality Standards set forth in  AS9100 and ISO 9001

Contact us by email....For specific applications, questions, quotations or comments, please contact us anytime..

For sales please click here..  
For a direct email to Rich Pavadore click Rich Pavadore- email


      Follow us on Twitter for updated products and news..    @Ess_Microwave

 Engineering Specialties Service accepts Major Credit cards

To see our Terms and Conditions...Click Here...



FREE Reference Data and Technical design aids. Design Aids     


Using and Understanding the Smith Charttm and how it can help you in the lab. 




NEW IN 2020.... NiChrome Coated Passive Resistor card products... NiCr Resistor Card....



Click here for newly developed products and services each year:  NEW PRODUCTS


  ESS Line Card..


Dielectric Constant Measurement Services


Our  Services Tab will link you to the many high frequency  tests we offer...


Low PIM IM3 Material Testing... Low Permeability testing of RF Connectors, cables, for Low PIM applications per  ASTM A342/A342M  and ASTM-2520  see our Services Link for details.

Links to Components, Testing and Design Services...

bullet Coaxial and Waveguide Calibration Kits... WR650 - WR22   Cal Kits
bulletClick here for our Company Profile:  Profile
bulletClick here for Standard Microwave Components.  Components
bulletClick here for TEST PROCEDURE writing Services:  PROCEDURES
bulletClick here for Photographs of our State of the Art Laboratory. Laboratory
bulletClick here for links to RENTAL AND USED EQUIPMENT SALES.. RENTALS


bulletMagnetic Circuit Design, Custom Magnets  CLICK HERE....
bullet.....Directions to E.S.S....

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 Latest update to this site:   July 13, 2020