Leichte (Funk) Pz.Kpfw.I Ausf.A Panzer I Ausf.A (Sd.Kfz.101) especially modified for the important Funk (radio) role in Germany’s new panzer units. A total of 818 Pz.Kpfw.I Ausf.A tanks were produced from July 1934 to June 1936, and some were modified into specialist versions in this way. The main change was the replacement of the machine gun-armed turret with a fixed superstructure featuring three vision ports, as well as an antenna for the FuG.2 and FuG.6 radio sets contained inside the hull. There was no machine gun mounted in the hull so it was relatively defenseless. This 5.88-ton vehicle operated by a crew of three was known as the Leichte (Funk) Panzerwagen.