TRENDnet TEW-639GR V3.0R

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multiple revisions of this device, use caution
bgn (N300)
300Mbps Wireless N Gigabit Router
3rd Party Firmware
dd-wrt
OpenWrt
Incompatible
Tomato any flavor
Incompatible
Platform
BrandModelRev
TRENDnet TEW-639GR V3.0R
FCC ID
Type
wireless router
CPU1
Realtek RTL8198
CPU1 Type
Lexra RLX5281
CPU1 Speed
620 MHz
Flash1 Chip
Macronix MX25L3206EM2I-12G
Flash1 Size
4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br />
RAM1 Size
32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
RAM1 Chip
Nanya NT5DS16M16DS-5T
ETH chip1
Realtek RTL8198
Switch
Realtek RTL8198
Ethernet Port Count
1-1GbE-WAN
4-1GbE-LAN
Wired Standard
IEEE 802.3i/3u/3ab

802dot11 OUI: 00:14:D1 (34 E, 46 W)
Ethernet OUI: 00:14:D1 (34 E, 46 W)

Expansion IF types
none specified
Power
12 VDC, 0.5 A
Connector type
barrel
Other

Default SSID: TRENDnet639 (1 addl. devices)
Default IP address: 192.168.10.1
the IP 192.168.10.1 is used by 115 additional devices
of which 45 are TRENDnet devices
Default login user: admin
Default login password: blank
admin:blank credentials used by 360 additional devices
of which 11 are TRENDnet devices

Manuf/OEM/ODM
U-MEDIA WRT-391R
Retail
FCC approval date 18 May 2011
Country of manuf Taiwan
Radio 1
Chip1
Realtek RTL8192CE
Wireless interface OUI
00:14:D1
Antenna Connector Type
U.FL
MIMO status
2x2:2
Wireless Standard
IEEE 802.11b/g/n
802.11n
up to 300 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
WiFi Operating Frequency
2.4 GHz
 CPU1 brandRadio1 chip1 brandRadio1 chip2 brand
TRENDnet TEW-639GR V1.0RRalinkRalinkRalink
TRENDnet TEW-639GR V2.0RRalinkRalink
TRENDnet TEW-639GR V3.0RRealtekRealtek

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

For a list of all currently documented TRENDnet device with specifications, see TRENDnet.

300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

"WRT-391R Rev. UB" is silkscreened on the board in the FCC photos and a production board.

"T003C22007A" is also silkscreened on the production board.

The production board is using HERMEI and JACKCON capacitors.

The router has three antennas despite the lack of three RX/TX chains.

Two (left and middle on the FCC photos) appear to be used in a switched diversity configuration.

  • The AC adapter included with the device (.. at least in the US market) is a
Bestec EA0061WAA (100-240VAC ~ 50/60Hz, 0.5A -> 12VDC, 0.5A).

Links of Interest

Downloads (firmware, manual, GPL source code)