EnGenius ESR9855G

The router is pictured with two Mini PCI slots in the FCC provided internal photos.

The EnGenius datasheet describes the wireless module as Ralink RT2860+RT2820.. which conflicts with the photos provided to the FCC.

On the DD-WRT known incompatible devices list.

Reviewed on SmallNetBuilder

Specs
Platform Serial Num. = ? FCC ID = U2M-SR9855G Industry Canada ID = ? CPU Type = Ubicom IP7150U MIPS Rev = ? CPU Speed = ? Bus = ? Flash Type = ? Flash Chip = ? Flash Size = 8 MB Max Firmware Size = ? RAM Size = 64 MB RAM Chip = ? nvram Size = ? ETH chip1 = Ubicom IP7150U Switch = Realtek RTL8366RB Port-based vlan = ? 802.1q vlan = ? Ethernet Port Count = 1-10/100/1000-WAN 4-10/100/1000-LAN Wired Standard = IEEE 802.3/3u/3ab Ethernet interface OUI = none specified boot_wait = ? bootloader = ? Flash Card Socket/Type = ? SD/MMC Mod Support = ? Expansion IF types = x1 PoE = ? Power = 12 VDC, 1.25 A Connector type/size = Barrel plug LEDs/Color = ? Size = ? USB = ? Serial Port = ? JTAG Port = ? Supported by TJTAG/Version = ? Special Features = ? Radio (WI1 module: EnGenius EMP-9605) Wireless Radio = ?Atheros AR9223 WLAN DSP processor = ? Wireless interface OUI = none specified Antenna Connector Type = U.FL, RP-SMA MIMO status = 2x2:2 Wireless Standard = IEEE 802.11b/g/n 802.11n = up to 300 Mbps 802.11g = 6, 9, 12, 18, 24, 36, 48, 54 Mbps 802.11b = 1, 2, 5.5, 11 Mbps WiFi Operating Frequency = 2.400–2.484 GHz Radio cor_rev = ? Radio Capabilities = ? Other Default IP address = 192.168.1.1 Default login user = admin Default login password = admin Default SSID = ? OEM = ? 3rd Party Firmware Support = ?

Pictures
FCCID U2M-SR9855G