Airtel: Airtel Africa is a subsidiary of Indian telecommunications company Airtel, that operates in 17 countries across Africa. It operates a GSM network in all countries, providing 2G or 3G or 4G depending upon the country of operation.GSM-900 MHz (GPRS, EDGE),2100 MHz UMTS, HSPA+.
MTN: MTN Group, formerly M-Cell, is a South Africa-based multinational mobile telecommunications company, operating in many African, European and Asian countries. Its head office is in Johannesburg. As of 30 September 2015, MTN recorded over 300 million subscribers across its operations.The company sponsored the CAF Champions League football competition as well as APOEL FC, winners of the Cypriot First Division in 2009, 2011, 2013,2014 and participants in the 2009–10 and 2011–12 UEFA Champions League.On 18 March 2010, it was announced that MTN signed a sponsorship deal with English football club Manchester United F.C.GSM-900 MHz.
Azur: GSM-900/1800 MHz.