Reliance Communications (RCOM) has started migrating its roughly five million CDMA customers to an 800MHz LTE network, the Economic Times writes. The operator has begun distributing 4G SIMs to CDMA users, who can then upgrade to 4G at no extra cost. RCOM was given the green light for the move in April 2016, after the cellco paid INR53.84 billion (USD791.4 million) to liberalise its 800MHz spectrum, allowing it to use the airwaves for LTE services.