The Yaesu ATAS-100 is a unique mobile antenna designed for use with the FT-847 and FT-100 transceivers. It utilizes a motor tuning system which tunes the radiating element for lowest SWR. No tuner or separate whips are required. The ATAS-100 will mount on any suitable SO-239 type mobile base, like the Diamond K-400 or K-540.

band coverage........ 40,20,15,10,6,2m,70cm
input impedance..... 50 Ohms
power handling...... 120 watts, SSB
typical VSWR........ 2:1 or less
length.............. 1.4-1.6m
weight.............. 2 pounds