Hmmm I have gone through a few 3G modem since I bought my First tablet and lets just get real here. Android and 3G is not a straight forward thing. When you read the specs most Tablets say that they support 3G dongles. Most of them is in fact telling the truth but some of them don't tell which dongles they support. So you receive this sexy little thing in the post and want to connect it to the Internet and ...... After too many trials and errors here is what I found. There is no golden rule about which modems works with which tablet. I at least have modems that works with one tablet and not with another. If you want to be sure that a modem works then you should buy the modem where you buy the tablet (and make sure they guarantee that it work) I have found that the following modems works with most Tablets (some of them with all tablets that I have tried) Huawei E220 Huawei 1750E Huawei 156G Huawei E173 (not all versions) TE MF637U Based on the manufacturers specs Huawei 1750E seems to be the safest choice. Even when you have a modem that is recognized by the tablet you might have to configurer it which has it own challenges. Here is a good guide for this: How to setup your 3G modem When everything is done you have the freedom to access the Internet from everywhere (where there is 3G coverage, but there are a few hurdles that you need to deal with first.