Widemac SL-R720x (XDX-RN502J)

widemac SL-R7205 (XDX-RN502J)

(Est.) release date: May 2010
Country of manuf.: China

Type: wireless router

Power: 12 VDC, 1 A
Connector type: barrel

CPU1: Ralink RT3052 (384 MHz)
FLA1: 4 MiB4,194,304 B 32,768 Kib 4,096 KiB 32 Mib 0.00391 GiB  (Macronix MX29LV320EBTI-70G)
RAM1: 32 MiB33,554,432 B 262,144 Kib 32,768 KiB 256 Mib 0.0313 GiB  (Winbond W9812G6JH-6 × 2)

Expansion IFs: USB 2.0
USB ports: 1
Serial: yes, 4-pin header, J2

WI1 chip1: Ralink RT3052
WI1 802dot11 protocols: bgn
WI1 MIMO config: 2x2:2
WI1 antenna connector: RP-SMA

ETH chip1: Ralink RT3052
Switch: Ralink RT3052
LAN speed: 100M
LAN ports: 4
WAN speed: 100M
WAN ports: 1

bgn

Stock bootloader: U-Boot

Stock FW OS: Linux 2.6.21

Default IP address: 192.168.0.1
the IP 192.168.0.1 is used by 785 additional devices
of which 2 are widemac devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1324 additional devices
of which 1 are widemac devices

802dot11 OUI: 00:13:13 (1 E, 1 W)
Ethernet OUI: 00:13:13 (1 E, 1 W)

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

Wireless-N300 AP/Router

"XDX-RN502J V2.0" and "1022" is silkscreened on the board.

The manufacturer of this device is almost certainly Shenzhen Century Xinyang Technology Co., Ltd.

They probably sold this under various brands, perhaps including widemac, Skylink, Tianhao, and Blueway. widemac is the primary brand used by this company, the brand primarily used on their web site, and is synonymous with this manufacturer.

As this board is used by numerous sub-models from this company, this is kind of a catch-all entry for them.

Rebrands and similar products

The Bococom TH-R300W board shares the same board text.
This device shares the same board ID as the DealExtreme 92141.
The text on the board ("XDX-RN502J") is similar to text on the Winstars WS-WR511N1, which is almost certainly another widemac product.
For widemac products, the SL / WD R7201, R7202, and R7203 likely share similar boards.
The OpenWrt wiki entry notes the R7205 as using this board (Aceex 22NRY, CD-R King 3G-52).
The Resau Libre wiki notes the R7205 as using a board silkscreened with "XDX-RN502J".