KVH Industries LTD9116MKIT User Manual page 25

Chapter 1: Introduction
Overview of the BGAN FleetBroadband system
A complete BGAN FleetBroadband system includes the TracPhone terminal
with connected peripherals, a TracPhone FB500 antenna or a
TracPhone FB250 antenna, the BGAN satellite, and the Satellite Access Station
(SAS). The satellites are the connection between your terminal and the SAS,
which is the gateway to the worldwide networks (Internet, telephone network,
cellular network, etc.).
TracPhone FB250
antenna
IP Handset
12
Satellite
TracPhone FB500
antenna
TracPhone
FleetBroadband
terminal
The Inmarsat BGAN system
Packet Switched Network
IP Router
Satellite Access Station
(SAS)
Standard voice
Switch
and ISDN
Circuit Switched Network
PC