If you're looking for 3G dongle to use with you neocore tablet .
We recommend :
EC122 EC122 HUAWEI
EC1260 EC1260
EC1261 EC1261
EC189 EC189
E1750 E1750
E261 E261
MF190 MF190 ZTE
Above dongles were checked by us , other one can work too , but at the moment we can't confirm that.