We have two versions available - RB952Ui-5ac2nD (International) and RB952Ui-5ac2nD-US (USA). RB952Ui-5ac2nD-US (USA) is factory locked for 2412-2462MHz, 5170-5250MHz and 5725-5835MHz frequencies. This lock can not be removed. RB952Ui-5ac2nD (International) supports 2412-2484MHz and 5150MHz - 5875MHz range (Specific frequency range can be limited by country regulations).