GSM services
The cellular service, and mobile radio service is as defined by the International Telecommunication Union, a radio service between mobile (including mobile ) stations and fixed stations, or between mobile stations.
The Radio Regulations categorized these radio service as follows:
- Mobile-satellite service
- Aeronautical mobile service Aeronautical mobile service ( OR)
- Aeronautical mobile (R) service
- Aeronautical mobile -satellite service Aeronautical mobile -satellite service (OR)
- Aeronautical mobile -satellite service (R )
- Land mobile -satellite service
- Mobile maritime mobile -satellite