EnGenius ESR9850

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EnGenius ESR9850

Manuf (OEM/ODM): Senao

FCC approval date: 28 July 2009
UPC: 655216004214 (UPC DB, On eBay)
Country of manuf.: Taiwan

Amazon image

B002TY785A (Flag of the United States.svg, On Amazon, On CCC)

Type: wireless router

FCC ID: U2M-SR9850
IC ID: 3616C-SR985010

Power: 12 VDC, 1 A
Connector type: barrel

CPU1: Ralink RT3052 (384 MHz)
FLA1: 4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br /> (Macronix MX29LV320ETTI-70G)
RAM1: 32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br /> (Zentel A3V28S40FTP-G6 × 2)

Expansion IFs: none specified
Serial: 4-pad header

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

ETH chip1: Ralink RT3052
Switch: Realtek RTL8366RB
LAN speed: 1G
LAN ports: 4
WAN speed: 1G
WAN ports: 1


Default SSID: EnGeniusXXXXXX (16 addl. devices)
Default IP address:
the IP is used by 757 additional devices
of which 27 are EnGenius devices
Default login user: admin
Default login password: admin
admin:admin credentials used by 1252 additional devices
of which 50 are EnGenius devices

802dot11 OUI: 00:02:6F (21 E, 56 W)
Ethernet OUI: 00:02:6F (21 E, 56 W)

EnGenius EVR100U2M-SR9850

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

The FCC test report lists the Sitecom WL-351 and Rosewill RNX-N400 as additional models. The DD-WRT wiki additionally lists the Sitecom WL-368. This probably also includes the Sitecom WLR-4000 [1].

The DD-WRT wiki cites the device as having 4MB Flash and 32MB RAM and the current status as a WiP.

"7016A0305000 Ver:1.00" is silkscreened on the board in the FCC photos.