Before you chose to go wireless on your laptops or netbooks, you can be sure to consider a few important things that would turn very helpful, will let you stay happy with your Wireless modem for your laptop for a long time. Every wireless Internet Service Provider got you a variety of products, plans and devices that help you have a better wireless experience, fewer time exceeding your requirements.
First thing you need to be aware is the connection speed, these days none of the carriers supply wireless modem less than on 3G facility, if the carrier companies in your country follow that protocol, you never need to worry on selecting the device much. Or you must be always sure to for at least a 3G device. A 3G wireless modem for your laptop gets you the best of data transfer speeds and you can make such a service to watch live movies, play high end online games etc, with minimal latency. When you want much more advanced wireless modem for laptop, they got that too, you have 4G devices. Data plans for 3G are really okay and affordable, you find standard plans with most carriers to be $50, and for that they get you a 5 GB free data usage each month. You pay for the device once, you can have prepaid or post paid plans, never a need for a contract, use as you want.
Next, you can consider how many devices you want to have the wireless Internet facility, if its just for one laptop or a netbook, the wireless modem for laptop would be just fine. Since they can be sued with a device a time, you cannot share your connection, or you might need to install a 3G wireless modem. When you want to have wireless Internet for more than one device a time, you might look to have connectivity for your phone or any other WiFi enabled device, so in such cases, its not wise to go for a wireless modem for laptop, that is just a USB type, you can try the MiFi wireless modem. With this you can enjoy 3G speed connections for up to 5 devices a time.