ShieldTenné a pairle reversed Argent between in dexter chief a lion rampant, in sinister chief a fleur-de-lis and in base a mullet, all Or.
CrestThat for the regiments and separate battalions of the New York Army National Guard: On a wreath of the colors Argent and Tenné, the full-rigged ship "Half Moon" all Proper.
MottoPRO PATRIA ET UNITATE (For Country and Unity).
ShieldThe basic color of the shield is orange, the Signal Corps color, divided by an inverted pairle, in white. In dexter chief, a rampant Belgian lion, in gold, commemorating the service in Ypres-Lys campaign. In sinister chief, a fleur-de-lis, in gold, commemorating the service in the Somme Offensive. In the base, the star of Texas, in gold, representing the Mexican Border service.
CrestThe crest is that of the New York Army National Guard.
The coat of arms was originally approved for the 101st Signal Battalion on 11 March 1925. It was amended to correct the spelling of the motto on 8 October 1934. It was redesignated for the 101st Signal Battalion, Corps, on 30 July 1954. The insignia was redesignated for the 101st Signal Battalion on 2 May 1962.