AirTies Air 4921

The FCC photos indicate this device is...
 * Likely contains a Broadcom BCM47081 CPU
 * possibly manufactured in Thailand

The label contains AT&T branding. May be sold with the following taglines:
 * Home Wi-Fi Solution Kit
 * Air4921 3x3 11ac Smart Mesh Access Point
 * AT&T SMART WI-FI EXTENDER
 * AIRTIES WIFI EXTENDER