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FCC approval date: 23 April 2013
(Est.) release date: 11 May 2013
UPC: 710931130133 (UPC DB, On eBay)
Country of manuf.: Taiwan

Amazon image

B00BKFYLFO (Flag of the United States.svg, On Amazon, On CCC)

Type: wireless router


Power: 12 VDC, 2 A
Connector type: barrel

CPU1: Broadcom BCM47081A0 (800 MHz)
FLA1: 8 MiB
8,388,608 B
65,536 Kib
8,192 KiB
64 Mib
0.00781 GiB
(Macronix MX25L6406E)
RAM1: 64 MiB
67,108,864 B
524,288 Kib
65,536 KiB
512 Mib
0.0625 GiB
(Winbond W9751G6KB-25)

Expansion IFs: USB 2.0
USB ports: 1
Serial: yes, 4-pin header, unpopulated, 3.3V TTL, (115200,8,N,1)

WI1 chip1: Broadcom BCM4352
WI1 802dot11 protocols: an+ac
WI1 MIMO config: 2x2:2
WI1 antenna connector: U.FL
WI2 chip1: Broadcom BCM43217T
WI2 802dot11 protocols: bgn
WI2 MIMO config: 2x2:2
WI2 antenna connector: U.FL

ETH chip1: Broadcom BCM47081A0
Switch: Broadcom BCM47081A0
LAN speed: 10/100/1000
LAN ports: 4
WAN speed: 10/100/1000
WAN ports: 1


Additional chips
5 GHz Power Amplifier IC;Skyworks;SE5003L1;5003L1, 246GX, 1246 MY;2;

Stock bootloader: CFE (r390094)

Stock FW OS: Linux

Third party firmware supported: DD-WRT • (List)

Default SSID: TRENDnet811_2.4GHz_XXXX, TRENDnet811_5GHz_XXXX
Default IP address:
the IP is used by 86 additional devices
of which 44 are TRENDnet devices
Default login user: admin
Default login password: randomly generated
admin:randomly generated credentials used by 25 additional devices
of which 11 are TRENDnet devices

802dot11 OUI: B8:EB:97
Ethernet OUI: B8:EB:97

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

AC1200 Dual Band Wireless Router

Product page

  • "WRT-C40B Rev:UC" is silkscreened on the board in the FCC photos.
A hynix H5PS1G63JFR-S6C (128MB DDR SDRAM) chip is shown in the internal photos.
  • The FCC docs specify that this FCC ID is also used for the TEW-800MB (AC1200 Dual Band Wireless Media Bridge).
The TEW-800MB is also specified as an additional model in the FCC filing for the TRENDnet TEW-812DRU as the AC1750 Dual Band Wireless Media Bridge.

Additional external links[edit]


"0500-253411000" is silkscreened on the board.
A label affixed to the switched Ethernet ports casing
indicates the U-MEDIA model of the device is WRT-C40B.
CPU, Flash, RAM, and Wi-Fi IC P/Ns are per SNB.

Third party firmware related[edit]



It's the same pinout as is used by the Linksys WAP610N, another U-MEDIA device.

[3.3] (GND) (TxD) (RxD)

Info derived from[edit]

FW boot log[edit]

wl revinfo[edit]

cat /proc/cpuinfo[edit]


Everything else[edit]

nmap scan[edit]

nmap -p 1-65535

Starting Nmap 6.40 ( ) at 2014-09-18 23:12 EDT
Nmap scan report for
Host is up (0.0025s latency).
Not shown: 65530 closed ports
53/tcp    open  domain
1980/tcp  open  unknown
1990/tcp  open  stun-p1
20005/tcp open  btx
33344/tcp open  unknown