Network: Any physical infrastructure network that forms a telecom-related network and occupies physical space in/on the ground.
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ICE Group Costa Rica operates nationwide mobile network infrastructure, covering 3G/4G (and working toward 5G). Kölbi Costa Rica uses this network to sell retail mobile services to end-users (Source).
ICE Group Costa Rica owns and operates its mobile network infrastructure. Kölbi Costa Rica uses this infrastructure to provide retail mobile services to end-users.