Network sharing is becoming an increasing popular option to reduce costs for operators which are facing another round of hefty capex and opex bills to support 5G. Mexico is a trailblazer in this area because of its government-driven wholesale LTE network, which is being built by neutral host integrator Altan Redes in the 700 MHz band, too be shared by all the MNOs. This is designed to reduce the cost of covering rural areas, in particular, with 4G, while the operators can focus their investment in their own, midband spectrum on more profitable urban areas. More sharing is on the cards in Mexico, with a deal between AT&T and Telefónica. Between them, these two operators have fewer than half the…