Cisco Meraki MR18

Overview
This is a three radio device (11b/g/n, 11a/n, 11a/b/g/n [Air Marshall?]).
 * It would appear to be using Atheros silicon (AR9344 + AR???? (AR9382 / AR9582?) + AR9374?)Senao CAP4200AG ??

The FCC EUT has a MAC address starting with 00:18:0A. It's presumed to be used.

Links of Interest
Hardware Architecture: MIPS Vendor: Atheros/Qualcomm System-On-Chip: Atheros/Qualcomm QCA9557-AT4A CPU Speed: 720MHz Flash size: Hynix 128MiB NAND RAM: 2x Unknown DDR2 64MiB Wireless: SoC AR9550 + 2x Atheros AR9582-AR1A Switch: None Ethernet port: 1x Gigabit AR8035-A, 802.3af PoE capable USB: No Serial: Yes, 115200 8N1, left to right: VCC/RX/TX/GND JTAG: Yes, EJTAG 1.2 Bootloader: nandloader (Cisco made)
 * https://meraki.cisco.com/lib/pdf/meraki_datasheet_MR18.pdf
 * On OpenWrt wiki
 * Cisco Meraki MR18 Support on OpenWrt forums