Hmm, mine has two mini USB ports, one on the bottom and one on the side.
Either can be used to power the amp, although the one on the side is intended to pass-through power to charge the cell phone sitting in the cradle.
My opinion, the special 12" Wilson mini to micro cable is way over priced.
2013 KZ Sportsmen Classic 200, 20 ft TT
2020 RAM 1500, 5.7 4x4, 8 speed