Now with 802.11 ac support, a Gigabit Ethernet port and a selectable wireless band ( 2.4GH z or 5GHz, up to 80 MHz wide channel). The new Gigabit port will help you utilize the full benefit of 802.11 ac high speed wireless. The Metal 52 ac supports 2.4GH z, 5GHz and all the legacy wireless modes as well ( 802.11 b/g/n for 2.4GH z and 802.11 ac/n/a for 5GHz). - RBMetalG-52SHPacn-US (USA) is factory locked for 2412-2462MHz, 5170-5250MHz and 5725-5835MHz frequencies. This lock can not be removed.