Just for the record: Banana people work on another MediaTek based board: https://github.com/BPI-SINOVOIP/BPI-files/commit/a3c53c233fd2059a43763a78b13ca1c5fd0b0f50
SoC is a MT7622A (dual core ARM Cortex A53 processor with some 'dedicated network accelerator', RAID/XOR engine, SATA and PCIe 2.0), latest bootloader commit suggests that the board will be equipped with 802.11ac (AC2600) Wi-Fi.