T-Mobile has been operating in the Czech market since 1996 as RadioMobil (joint venture of Ceske Radiokomunikace and Deutsche Telekom) providing network named Paegas.
T-Mobile Czech Republic a.s. operates a public mobile communications network on the GSM, UMTS and LTE standard. On 19 October 2005, T-Mobile was the first operator in the Czech Republic to launch this third-generation technology. In 2011 O2 Czech Republic and T-Mobile Czech Republic signed an agreement on sharing their 2G, 3G and LTE networks.