Perfect for building low cost CPE devices. The RB911-5HnD is a small CPE type RouterBOARD wireless router with an integrated 5Ghz Dual Chain wireless card. It’s equipped with powerful 600MHz CPU, providing superb value for money. - RB911-5HnD-US (USA) is factory locked for 5170-5250MHz and 5725-5835MHz frequencies. This lock can not be removed. - RB911-5HnD (International) supports 5150MHz-5875MHz range (Specific frequency range can be limited by country regulations).