You've got something regulatory going on.. the radios can transmit up to 22dbm combined H+V.. or perhaps your seeing the single chain power level of 19 dBm..
Peter Kranz Founder/CEO - Unwired Ltd www.UnwiredLtd.com Desk: 510-868-1614 x100 Mobile: 510-207-0000 pkr...@unwiredltd.com