MTS is the largest telecommunications company and mobile network operator in Russia and Belarus, headquartered in Moscow, operating on GSM, UMTS, LTE and 5G standards. Apart from cellular network, the company also offers local telephone service, broadband, mobile television, cable television, satellite television and digital television. As of Q3 2024, the company serves over 87.6 million subscribers in Russia and Belarus. MTS had previously operaded in Uzbekistan until 2012, Turkmenistan until 2017, Ukraine until 2019 and Armenia until 2024. Wikipedia