"cellular telephone number" . "cellular network#Frequency reuse" . . . "mobile phone and internet connectivity" . "cellular communications" . "cellular telephone networks" . . . . "wireless" . . "coverage area" . "mobile phone networks" . "Cellular network" . "mobile (cellular) networks" . "Mobile network" . "cellular network" . . "Cellular networks" . "hexagonal cells" . . "cellular signals" . . "Cellular_network" . . . . "Cellular network#Frequency reuse" . . . "cellular connection" . "Mobile" . "Cellular service" . "mobile phone" . . "mobile telephone network" . "mobile communications" . "cellular-based" . "cellular radio networks" . "cellular concept of mobile telephone service" . "cell phone carrier networks" . "mobile phone operator" . "cells" . "cellular systems" . "networks" . "each cell" . . "mobile telecommunications" . "mobile cellular network" . "Mobile phone networks" . "cell" . "cellular phone call" . . . . "cell connection" . . . . . "mobile cellular" . "mobile phone network" . "Mobile phone network" . "cellular operator" . "wireless network operator" . . . "4G and 5G" . . . . . "cellular links" . . . "cellular networks" . . "Cellular_network#Cell_size" . "mobile networks" . "frequency reuse" . "cellular communication" . . . "cellular connectivity" . "Cellularization" . . "cellular telephone network" . "phone network" . . "mobile telephone network operator" . "Mobile Broadband" . "mobile connection" . "cellular (mobile) networks" . "radio interface" . . "cellular service" . "Mobile network operator" . "CLR" . "Networking" . . "network" . "Cellular" . "mobile phone connectivity" . . . "cellular technology" . . "Cellular Technology" . "cellular mobile communications" . . "mobile communications networks" . "coverage of the cellular network" . "mobile data" . "mobile" . . "wireless network" . "cellular mobile communication" . . "wireless communications" . . "wireless network provider" . "Modern Wireless Communications" . "cellular telephones" . "Cellular communication" . "frequency_reuse" . "mobile network" . "cellular communications networks" . "cellular" . "telephone network" . "Cellular network" . . "cell-phone towers" . "wireless network operators" .