Tenné, on a bend Argent four telegraph poles in pale cross arm normal to bend Sable.
On a wreath of colors (Argent and Tenné) the right winged foot of Mercury Argent.
SEMPER CONSTANS (Always Constant).
Orange and white are the colors traditionally associated with the Signal Corps. The bend is taken from the arms of Lorraine and St. Mihiel, and represents two campaigns for which the unit was awarded streamers. The four telegraph poles represent the four engagements of the battalion during World War I.
The winged foot of Mercury represents rapidity in the delivering of messages.
The coat of arms was approved on 14 January 1926.