Since the data is encoded in packets, a lost connection does not require re-sending the entire file, and the system keeps track of the information still to be sent. The GS-1620 is produced by Qualcomm and known as Globalstar Satellite Data Modem. Not really a consumer product. There are a number of devices that can be used to surf the web or send e-mail in this system. Most of the applications use compression techniques and there is no monthly service fee.
Usage is billed either on the bandwidth used or on cost per minute basis.
This is probably the most conprehensive packaging of wireless data services currently available, and compression software makes the speeds seem much faster than they actually are. Most of the the software that drives these communication systems resides on corporate servers protected bt complex firewall systems. Some of the monthly fees and companies providing service are listed above.