Upload:1850–1910, Download: 1930–1990. GSM1900 – Also known as PCS 1900, GSM 1900 is a digital network working on a frequency of 1900 MHz. Used in Australia, Canada, the United States and many other countries in the Americas.
Upload:1850–1910, Download: 1930–1990. GSM1900 – Also known as PCS 1900, GSM 1900 is a digital network working on a frequency of 1900 MHz. Used in Australia, Canada, the United States and many other countries in the Americas.