(Telecompaper) Russian mobile operators Beeline and MTS have agreed on the shared use of spectrum to develop their LTE networks in another 20 regions across the country. MTS and Beeline signed a supplementary agreement to their existing cooperation from 2014 on the deployment of LTE networks, adding the 2,600 MHz band for providing LTE services in 20 regions. The list includes the Kaluga, Omsk, Khabarovsk, Pskov, Vologda, Yaroslavl, Murmansk, Nizhniy-Novgorod, Kaliningrad, Oryol, Sakhalin, Tula and Orenburg regions, as well as Ingushetia, Karachay-Cherkessia, Chechnya, Kabarda-Balkaria, Mordovia, Altay and Chuvashia republics. The amendment allows for further expansion of the region list for the shared use of frequencies. The agreement will run for six years and may be extended.