Alfa Network AWUS036NHA

Wikidevi Notes
1x1:1 SISO

The device identifies as an Atheros UB91C. There may be multiple revisions of this device.

The Wi-Fi IC would appear to also vary between newer and older units. Older devices likely use AR9271 (AR9271-AL1A).. while newer ones may use AR9271L (AR9271L-AL3A). Both are pictured in the images below.
 * 'The L stands for "Low-Cost".', per Sujith on ath9k-devel

The power amplifier IC used is a Skyworks (SiGe) SE2576L / 2576L.
 * Datasheet

The LED on this device is blue. The FCC ID would appear to only be printed on the label of newer units.

Pictures
Wikidevi Images