+ if has_iwinfo then
+ local iw = luci.sys.wifi.getiwinfo(ifname)
+ local bl = iw.hwmodelist
+ if bl and next(bl) then
+ if bl.a then bands = bands .. "a" end
+ if bl.b then bands = bands .. "b" end
+ if bl.g then bands = bands .. "g" end
+ if bl.n then bands = bands .. "n" end
+ end
+ end
+