RIO DE JANEIRO--(BUSINESS WIRE)--Deployments of 4G networks and cellular M2M technology are poised for rapid growth across Latin America if mobile operators in the region can overcome a range of regulatory and economic challenges, according to new GSMA research. GSMA Intelligence, the research arm of the GSMA, has published two new reports at the Mobile 360 - Latin America conference being held in Rio de Janeiro this week (13-14 May), outlining the need for a sustainable approach to both 4G and