The Blue Ocean Wireless GSM system consists of a GSM Base Transceiver Station (BTS) and a Remote Gateway (RGW). The BTS passes voice and data signals received from mobile phones to the RGW where they are converted into a narrowband signals for transmission over the satellite network. The RGW also controls the GSM signalling and call set up as well as the SMS & GPRS functionality.
This plug-and-play technology then connects via Ethernet to the satellite terminal which can either be an Inmarsat FB250/FB500 or a VSAT terminal. There is zero satellite utilisation when there are no calls in progress.
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