TP-LINK TL-WDR6500

Overview
This device (of unknown revision) would seem to be using QCA9561 (WiSoC [2.4GHz / 3x3 11bgn]) + QCA9882 (5GHz / 2x2 11an+ac radio).

The text on (at least one WDR6500's QCA9561) is as follows.. QCA9561-AL3A E5A999B 1412 TAIWAN