DIR-320 3G Beta Firmware Support List (Based on FW v1.21_98ih)

Huawei
E270 - OK
E220 - OK
E156G - OK
E160 - OK
E169 - OK
E169G - OK
E170 - Failed
E180 - OK
E172 - Failed
E176G- OK

D-Link 
DWM-652 -OK
DWM-151 -OK
DWM-152 -OK
DWM-156 -still under developmented

BandLuxe
C100 - OK
C200 - OK

Prolink 
PHS100 - OK

WYLESS
733 - OK

Hojy
EDGE - OK
TD-HSPDA -OK

ZTE
ZTE626 - OK
MF637U - OK

CNU-680 -Failed

Sierra 881U - OK

Vodafone
K3715 - OK