For a list of all currently documented Ralink chipsets with specifications, see Ralink.
FCC approval date: 03 August 2012
Country of manuf.: China
Power: 5 VDC, ? A
Connector type: USB Female Mini-B
CPU1: Ralink RT5350FLA1: 4 MiB
Model?)RAM1: 32 MiB
Expansion IFs: none specified
WI1 chip1: Ralink RT5350
WI1 802dot11 protocols: bgn
WI1 MIMO config: 1x1:1
WI1 antenna connector: non-removable
ETH chip1: Brand? Model?
LAN speed: 10/100
WAN speed: 10/100
WAN ports: 1
Flags: portable, schematics
802dot11 OUI: none specified
Wireless N150 Mini AP/Router
"10011324" and "V1.0" is silkscreened on the board in the FCC photos.
The FCC schematics states the device uses a 4MB Flash chip (MX25L3206EM2I-12G) and a 32MB RAM chip (EM63A165TS-6G). This is assumed to be mostly correct.
Per the FCC manual, the default SSID is Tenda_XXXXXX (where XXXXXX is the last 6 digits of MAC).
The device has an unsoldered usb 2.0 port.
OpenWRT support is underway: http://wiki.openwrt.org/toh/tenda/a6