1923 |
EFJohnson Company is founded in Waseca, Minnesota by Edgar F. Johnson. The company begins as a mail order business, selling radio transmitting parts to amateurs and early radio broadcasters. |
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1925 |
The company manufactures its first select radio transmitter products. |
| 1940-45 | During World War II, the company devotes 100% of production to defense needs. |
1944 |
The company wins prestigious Army-Navy E Award in recognition of outstanding production efficiency. |
1949 |
The first complete amateur transmitter, the Viking I, is developed. |
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1961 |
EFJohnson enters the business/industrial radio market with the Messenger 202 AM transceiver. |
1967 |
The company introduces its line of FM business two-way radios. |
1972 |
Mr. Johnson accompanies U.S. President Richard M. Nixon to China as a representative of American business. |
1975 |
The company signs contract with Bell Telephone Laboratories to manufacture cell-site radio transmitters to be used in a trial of Bell's proposed cellular radio system. |
1976 |
EFJohnson becomes a public company when its stock is first listed on the New York Stock Exchange. |
1979 |
AT&T and Illinois Bell cellular trial system built in Chicago with EFJohnson cell-site base equipment. |
1980 |
Clearchannel LTR® 800 MHz trunked radio system is introduced. |
1989 |
Multi-Net® wide-area trunked radio system is introduced. First systems are built for Amoco in Texas City, TX and for the City of Eden Prairie, MN. |
1995 |
Project 25 is endorsed by APCO, American Association of Railroads, the National Association of State Telecom Directors, the Department of Defense, National Security Agency, National Telecommunications and Information Administration, and Department of Justice. EFJohnson signs a Memorandum of Understanding to develop products that comply with the agreement. |
1997 |
Transcrypt International (a manufacturer of communications security products based in Lincoln, Nebraska) acquires EFJohnson. |
1998 |
LTR-Net™ analog trunking - improves LTR® trunking by adding advanced user features, system management tools, and network technology - is introduced. |
2001 |
EFJohnson introduces the first multi-protocol portable radio working in analog, SMARTNET®/SmartZone®, Multi-Net, and Project 25 systems. |
2003 |
EFJohnson celebrates 80 years in business. |
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2004 |
EFJ, Inc (EFJohnson's parent company) becomes listed on NASDAQ. The company announces the concentration of engineering resources in Texas. EFJohnson's open house at the new Irving, TX location draws 300 people including a US Congressman. |
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EFJohnson introduces Trunked IP25™, a switchless, next generation Project 25 trunked infrastructure system that is specifically designed for first responders.
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EFJohnson announces a $76 million order to the US Department of Defense (DOD), the largest single order in the company’s 83 year history. |
2007 |
EFJohnson introduced Trunked IP25 MultiSite, a modern, trunked Project 25 compliant infrastructure. The company also introduced the ES Series Portable Radio, which was named the Hot Product by APCO’s Public Safety Communications magazine.
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