EF Johnson Technologies, Inc. is a
two-way radio
A two-way radio is a radio that can both transmit and receive radio waves (a transceiver), unlike a radio broadcasting, broadcast receiver which only receives content. It is an audio (sound) transceiver, a transmitter and radio receiver, receive ...
manufacturer founded by its namesake, Edgar. Frederick Johnson, in
Waseca, Minnesota
Waseca () is a city in Waseca County, Minnesota, United States. The population was 9,410 at the 2010 census. It is the county seat.
Transportation
U.S. Highway 14 and Minnesota Highway 13 are two of the main routes in the city. U.S. 14 runs ...
, United States in 1923.
Today it is a wholly owned subsidiary of
JVCKenwood
, stylized as JVCKENWOOD, is a Japanese multinational electronics company headquartered in Yokohama, Japan. It was formed from the merger of Victor Company of Japan, Ltd (JVC) and Kenwood Corporation on October 1, 2008. Upon creation, Haruo K ...
of
Yokohama, Japan
is the second-largest city in Japan by population and the most populous municipality of Japan. It is the capital city and the most populous city in Kanagawa Prefecture, with a 2020 population of 3.8 million. It lies on Tokyo Bay, south of ...
.
EF Johnson Technologies offers a wide range of equipment for use by law enforcement, firefighters, EMS, and military. Products include
Project 25
Project 25 (P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and ...
systems, portable/mobile two-way radios, and radio encryption products.
(Recent) Product introductions
* 2013: Introduced Viking VP900 multi-band
portable radio
In radio communications, a radio receiver, also known as a receiver, a wireless, or simply a radio, is an electronic device that receives radio waves and converts the information carried by them to a usable form. It is used with an antenna. The ...
.
* 2012: Introduced Viking VP600 portable radio.
* 2011: Introduced ATLAS
P25 System Solutions. Named the Hot Product by APCO's
Public Safety
Public security or public safety is the prevention of and protection from events that could endanger the safety and security of the public from significant danger, injury, or property damage. It is often conducted by a state government to ensur ...
Communications magazine.
* 2010: Introduced the 51FIRE ES, the first portable radio engineered specifically for firefighters.
* 2009: Introduced Hybrid IP25, a
Project 25
Project 25 (P25 or APCO-25) is a suite of standards for interoperable digital two-way radio products. P25 was developed by public safety professionals in North America and has gained acceptance for public safety, security, public service, and ...
compliant wide area
conventional system and a
hybrid
Hybrid may refer to:
Science
* Hybrid (biology), an offspring resulting from cross-breeding
** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species
** Hybridity, the property of a hybrid plant which is a union of two diff ...
network intended to allow first responders to operate and interoperate between the conventional and trunked systems and eliminate the need for dispatchers to manually patch calls between the two systems.
* 2009: Introduced StarGate Dispatch Console, an IP-based dispatch console for first responders. StarGate was named the Hot Product by ''Public Safety Communications'', the official magazine of the Association of Public-Safety Communications Officials (APCO).
* 2008: Introduced the Lightning Control Head, a mobile radio control head that incorporates electroluminescent technology.
* 2007: Introduced IP25 MultiSite, a switchless Project 25 trunked infrastructure system that is specifically designed for first responders. This Voice over Internet Protocol (VoIP) based system meets the NTIA mandates for narrowband operation in VHF and UHF frequencies as well as DOD mandates for Project 25 compliance.
* 2006: EF Johnson introduces the Enhanced (AMBE+2) Project 25 Vocoder in its entire radio product line.
History

The company was founded in 1923 by Edgar F. Johnson and his wife Ethel Johnson. The company began as a mail order business, selling radio transmitting parts to
amateurs and early radio broadcasters from space shared with a woodworking shop located in downtown Waseca. In 1936, E.F. Johnson Co. built its first factory and office building in Waseca, and had 17 employees. The company designed and produced electronic components in volume, and was active in
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
defense production. By 1945, the company had grown to 500 employees with expanded facilities in a garage, a nearby grocery store and the Odd Fellows Hall. In 1949, the first of the company's amateur radio transmitters were manufactured, the Viking I model.
The Viking line of amateur transmitters included the Valiant, Ranger and Pacemaker.
In 1958, the company manufactured equipment for the Class D
Citizens Band Radio
Citizens band radio (also known as CB radio), used in many countries, is a land mobile radio system, a system allowing short-distance person-to-many persons bidirectional voice communication among individuals, using two way radios operating o ...
. One such transceiver, the Johnson Messenger, is exhibited in the Smithsonian Institution as an example of early American-made technology.
The company transitioned to development and manufacturing of land-mobile radio products such as the
Logic Trunked Radio
Logic Trunked Radio (LTR) is a radio system developed in the late 1970s by the E. F. Johnson Company.
LTR is distinguished from some other common trunked radio systems in that it does not have a dedicated control channel. Each repeater
In te ...
trunking format. EFJohnson's discontinued Viking line of amateur radio transmitter products are collected, restored, and operated by a number of
vintage amateur radio enthusiasts.
[http://www.efjohnson.com/history.asp EFJohnson Company, ''History''][http://www.ominous-valve.com/ba-mfrs.html OminousValve.com, ''Boat Anchor Manufacturers'']
In 1982, the company merged with Western Union,
and was later purchased in 1997 by software manufacturer Transcrypt International. Headquarters relocated to Irving, Texas in 2005 and the company became EF Johnson Technologies in 2008. In 2010, EF Johnson Technologies, Inc. was acquired by Francisco Partners, and later absorbed by Japanese electronics company
JVCKenwood
, stylized as JVCKENWOOD, is a Japanese multinational electronics company headquartered in Yokohama, Japan. It was formed from the merger of Victor Company of Japan, Ltd (JVC) and Kenwood Corporation on October 1, 2008. Upon creation, Haruo K ...
in 2014.
See also
*
Zetron
Zetron, Inc. is an American company that manufactures integrated communications systems. Founded in 1980, formerly a subsidiary of JVCKenwood, in May 2021 it was purchased by Codan Communications. Its products are for use by Emergency and Public S ...
*
JVCKenwood
, stylized as JVCKENWOOD, is a Japanese multinational electronics company headquartered in Yokohama, Japan. It was formed from the merger of Victor Company of Japan, Ltd (JVC) and Kenwood Corporation on October 1, 2008. Upon creation, Haruo K ...
Notes
External links
*
E.F. Johnson Rigs
{{Authority control
Waseca County, Minnesota
Radio technology
Amateur radio companies
Companies based in Minnesota
Electronics companies established in 1923
Electronics companies of the United States
1923 establishments in Minnesota
JVCKenwood
American subsidiaries of foreign companies
Radio manufacturers