The Fixed Public Switched Telephone Network relays telephone calls from land line telephones to a earth station, where they are then transmitted to a geostationary satellite. The downlink follows an analogous path. Kuvandudzwa kwe submarine communications cables kuburikidza nekushandiswa kwe fiber-optics kwakakonzera kumwe kuderera mukushandiswa kwemasetelliti ekufonera kwakagadziriswa mukupera kwezana ramakore rechi20. Mubvunzo: Masetelliti ekufonera akatanga kushandiswa kune rudzii rwemafoni?
runhare rurefu rwekunze