It’s a cellular technology used to transmit voice and data. GSM operates in the 900MHz and 1.8GHz bands in Europe and the 1.9GHz and 850MHz bands in the US. (Source: www.gsma.com)
It’s a cellular technology used to transmit voice and data. GSM operates in the 900MHz and 1.8GHz bands in Europe and the 1.9GHz and 850MHz bands in the US. (Source: www.gsma.com)