So a friend has received one of these units, and all the data sheets and pages online point towards it being a Wireless AC unit.
http://www.innbox.net/sites/default/files/Innbox_V51_R2_AC_datasheet_en_053.pdf


Yet under wireless settings, in the drop down for band it only has '2.4ghz'. No 5ghz is broadcast, and the only reference to 5ghz is under channel width you can select "40mhz for 2.4ghz, 40mhz for 5ghz".

Cannot update firmware as this appears to be one of those annoying units where only ISPs have the firmware available.

Anyone else with this unit?