The pics are here – http://www.techenclave.com/wireless-internet/evdo-users-need-some-info-112713/p9/#post1653140
I think this is the one –
SMA female to CRC9 male RF adapter connector for 3G USB Modem antenna | eBay
CRC9 male right angle SMA female RG174 3G Huawei Modem | eBay
---------- Post added at 06:53 PM ---------- Previous post was at 06:51 PM ----------
Anyway all types of connectors are easily available for $2-$4 from eBay shipped to India. You need to first check what type of connector the antenna you are planning to use has.