Is the service dependent on the Inmarsat terminal?
Yes, the terminal determines the data transfer rate. Inmarsat M and mini-M support a rate of 2.4 kbps, Inmarsat B 9.6 kbps and the rate over Inmarsat A ranges from 9.6 to 19.2 kbps depending on the connection. For Inmarsat B High Speed Data (HSD), Fleet, and GAN a data transfer rate of 64 kbps is available. With Regional BGAN, the data transfer rate is up to 144 kbps (shared channel).