ROGUE-A01 battle droid was basic three-legged droid design which was used in the production of various droid models - both for military and civilian purposes - by different droid manufacturers. Full production ID for this design was droid.battledroid.rogue_a01. Basic model had three-barrel cannons installed in each of its two manipulators attached to its roughly spherical body. Two red photoreceptors were located on body's frontal panel one beneath another. This design also allowed to install wide array of additional weapons, systems and protective shileds.
Scaled-up design, droid.battledroid.rogue_a01_supeboss, was used to produce several times lager models, R4-GL was one of the examples.