As a company in the domain of telecommunications and electrical installations 4GNS D.O.O. Beograd work from 2013. We start like subcontractors for Roaming Networks (main partner for Telekom Srbija and VIP Mobile Srbija) in Serbia and finish more than a thousand locations with Nokia, Ericsson and Huawei equipment.

Stevana Sinđelića 64e, 4GNS D.O.O. Belgrade, Serbia