The company gained the designation Ing 3 det (3rd Engineer Regiment, detachment).

The company was in 1954 upgraded to a separate battalion, and gained the designation S 3 (3rd Signal Regiment) in 1955.

It was presented to the then Royal Norrland Signals Battalion (S 3) in Boden by His Majesty the King Gustaf VI Adolf on 28 July 1961.

[2] The colour is drawn by Brita Grep and embroidered by hand in insertion technique by the company Libraria.

Blazon: "On blue cloth in the centre the lesser coat of arms of Sweden, three yellow crowns placed two and one.

Blazon: "Azure, powdered with estoiles or, the provincial badge of Västerbotten, a reindeer courant argent, armed and langued gules.