BX-G security droid

The BX-G security droid, sometimes known as the commando guard droid or senate commando droid, was a variant of the BX-series droid commando designed for security purposes.

Characteristics
Typically assigned to Separatist politicians and sometimes military officers, BX-G security droids were as nimble and effective as their special forces counterpart, however were additionally programmed to wield shields and electrostaffs. In addition to their wider weapon choices, the BX-G's sensors were also designed to locate potential threats at a much farther range and also had higher resistance to electromagnetic attacks; making it nearly impossible for assassins to sneak past them. Like the standard BX and B1, BX-Gs also wielded E-5 blaster rifles.

History
The BX-G was first introduced in 21 BBY, only months after the standard BX, as a counterpart to the Galactic Republic's Senate Commandos.