Mobile operator Armentel, working under the Beeline Armenia brand, has significantly expanded the coverage of its LTE network in the city of Yerevan, reports Telecompaper. The number of the operator’s LTE base stations doubled in the capital city after Armentel launched LTE services there earlier this September. Armentel has also launched its LTE roaming services in 13 states globalwide, the list includes Georgia, Italy, Canada, China, Russia, the US and other states.