Definition / Belongs to this divisionThis division includes:
- operation, maintenance and upkeep services providing access to wireless telecommunications (telecommunications) infrastructure (voice, data, text, voice and video transmission equipment)
- maintenance and operation activities related to pager, mobile and other wireless telecommunication networks

Transmitters transmit radio waves in the atmosphere with radiation in all directions, either in one technology or in combination.
also belongs to this sectorThis division also includes:
- the acquisition of access and network capacity from network owners and operators and the use of this capacity to provide wireless business telecommunications services (excluding satellite)
- Internet access provided by the wireless infrastructure manager
It does not belong to this sectorThis division excludes:
- resale of telecommunications services, see 61.90

Definition / Belongs to this divisionThis division includes:
- operation, maintenance, upkeep and access activities related to satellite telecommunications infrastructure (voice, data, text, voice and video transmission equipment)
- the transmission to consumers of visible, audible or textual broadcasts from cable networks, local television or radio station networks via direct satellite systems. (The units listed here do not usually compile a program.)
also belongs to this sectorThis division also includes:
- Internet access provided by the satellite infrastructure manager
It does not belong to this sectorThis division excludes:
- resale of telecommunications services, see 61.90