I am using d-link internal data modem from last six months. I am very happy to choose it. really it is very good in speed. it is also very cood in connectivity.in last six months there were no connectivity problems faced by me.all internet users wuld get benifit most useing this product.i choose this product because this is very cheep against other modems. d-link is a very known and believeable company in world, so I recommand this modem to all pc-user.