CLICK HERE TO KNOW ABOUT HUAWEI USB MODEM CHIPSET AND ANDROID SUPPORT
Let me show the trick to find out the chipset.
all of you can easily idetify how to find it out, i am using simple pictures , and screen shots here below..
you can download this software on internet
see the marked items carefully , connect your dongle , close the dafault software if its opening normally , then click on the search button , search button ( round marked button )
now see what happens..
it indicates the connected modem is huawei E 1731 ( 173Bu-1 ) with qualcomm MSM 6290 Chipset