TP-Link TL-WDR4900 v2

Wikidevi Notes
On the OpenWrt forums (w/ bootloader log)
 * Qualcomm Atheros QCA9558-AT4A 3x3:3 WiSoC
 * Atheros AR9580-AR1A 3x3:3 5GHz radio
 * Atheros AR8327N-AL1A Switch
 * The TP-LINK logo and "2050500304 Rev:1.0" is silkscreened on the board.
 * This device would appear to be using QCA's AP135 reference design.
 * 0C:72:2C OUI