Quanta Microsystems EM304

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Quanta Microsystems EM304

FCC approval date: 11 November 2008
Country of manuf.: China

Interface: Mini PCIe (USB, half)

USB 2.0

FCC ID: T5U-EM304
IC ID: 7424A-EM304

WI1 chip1: Ralink RT3070

Probable Linux driver
rt2800usb (in backports) or rt2870sta
(see also passys)

Windows driver
see MediaTek's website
Older Ralink drivers have been removed.
See the Wayback Machine
for some older driver sets (filter by EXE/ZIP)

Antenna connector: U.FL

bgn, 1x1:1

OUI: 00:17:C4 (-, 2 W)

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


"EM304-R4", "790EM304040Q", and "QMI. 2008.09.01" is silkscreened on the back of one board.

These cards may possibly use a non-standard pin configuration - I have had issues testing these devices with standard adapters.. though none have been tested and confirmed working in any environment