One-way satmodems (DVB-IP modems ) use a return channel not based on communication with the satellite, such as telephone or cable.
Two-way satmodems (DVB-RCS modems, also called astromodems) employ a satellite-based return channel as well; they do not need another connection. DVB-RCS is ETSIstandardEN 301 790.
... of the population are Hispanic or Latino of any race.
There are 1,924 households out of which 29.7% have children under the age of 18 living with them, 51.2% are married ...