The Field Telegraph Corps was established in 1902 and was organized by the Fields Telegraph Company of the Svea Engineer Battalion, in connection with the battalion's reorganization into Svea Engineer Corps, together with a newly established Field Telegraph Company.

A detachment from the Field Telegraph Corps was during the years 1912-1916 deployed at Axevalla heath and Malmen and formed the backbone of the army air force.

The detachment was reorganized in 1916 into the Field Telegraph Corps' 5th Company, the Air Company, which was deployed at Malmen from 1916 to 1926 when the Swedish Air Force was established.

[1] In the Signal Workshop in Sundbyberg (Signalverkstaden i Sundbyberg, SIS) was included in the Field Telegraph Corps, which in 1940 added the newly established Defense Department's Engineering Committee (Försvarsväsendets verkstadsnämnd).

The Field Telegraph Corps was disbanded in 1937 and formed the backbone of the Signal Regiment (S 1).