Actually I have bought reliance netconnect data card 5 years back at the cast of rs.1999 it is the sim less dongle.speed upto 3.1mbps but normally it connected 300- to 600 kbps speed.it perform is very well.upload and download speed is very fast.It is very essential data card because they give large data downloading at the cast of rs.550 per monthly.it is a post paid data card.The customer support also very good. they remain one billing regularly.