Unex DHYK-8822

Overview
"48DHUK82.SGC" is silkscreened on the board.

Features

 * 802.11abgn/ac 2x2, NGFF (M.2 2230)
 * Wave2, MU-MIMO, Bluetooth 4.2 Combo
 * Key A/E (S3), Transmit Beamforming
 * Data rate: up to 867Mbps (20/40/80MHz)

Unex's marketing text
DHYK-8822 is an 802.11a/b/g/n/ac dual band 2x2 wi-fi and Bluetooth combo M.2 2230
 * module designed for devices which require small size and lower-power consumption.

It’s a highly integrated module that supports 2-stream 802.11ac Wave 2 with MU-MIMO
 * (Multi-User Multiple-Input, Multiple-Output), Transmit Beamforming, and Bluetooth.

Links of Interest
Datasheet