WJ-CEI Home Page | My Publications | Research Material Donations | Bio and Contact |
Communication Electronics Technology |
WJ-CEI Receivers & Tuners | WJ-CEI Signal Monitors | WJ-CEI History | WJ-CEI Catalogs |
WJ-CEI Surveillance Systems | WJ-CEI System Accessories | WJ-CEI Related History | WJ-CEI Resources |
Facebook page for former WJ employees and alumni | Linked In connection for former WJ employees and alumni |
These pages contain information on the Communication Electronics Technology division of This is a public window to my ongoing research into Watkins-Johnson and
the history of Much of the information on these pages is provided for hobbyists and radio collectors. It covers equipment designed and built in the Gaithersburg plant of Watkins-Johnson, the Rockville plant, which produced both CEI and WJ equipment and the the Bethesda plant where Communication Electronics, Inc started their operations. For other brands, please visit my Black Radios website. This site is not affiliated in any way with past or present owners of the Gaithersburg facility |
For manuals, parts or service work try the links on the resources page. I do not sell or broker equipment, manuals or
service work. I am not a clearinghouse for information or documentation. |