The mantbox is based on our new mant sector antennas, but also has a wireless router built right in. powered by the rb921 device, the mantbox comes ready to use with everything included. the device uses a high speed 720mhz cpu and has a built in 802.11 ac/a/n wireless device with up to 31dbm output power. mantbox 19s comes with 19dbi 120 degree sector antenna. we have two versions available - rb921gs-5hpacd-19s (international) and rb921gs-5hpacd-19s-us (usa). rb921gs-5hpacd-19s-us (usa) is factory locked for 5.17 - 5.25 ghz and 5.725 - 5.835 ghz frequencies. this lock can not be removed. rb921gs-5hpacd-19s (international) supports 5.17 - 5.835 ghz range (specific frequency range can be limited by country regulations).