EnGenius EUB-862 EXT2

Overview
"7016A0310000 NUB-862(EXT)-1.00 LFP" (and a date code that appears to be 0708 [Feb. 2007]) is silkscreened on the board of a production model unit. It is using AR5523A-00.

Additional specifications, per EnGenius' datasheet

 * note: check the datasheet for more detail - actual numbers will vary depending on the particular band

Links of Interest
Datasheet