Features of a satellite phone:
1. Has basic phone features but is heavier and bulkier than cellphones.
2. Capable of providing wide area coverage.
3. Can provide uniform performance. However, compared to terrestrial phone services, the voice quality could be lower and there could be delay in communication due to latency.
4. Has same number and does not change.
5. Does not need any installation or setup.
6. More expensive than other forms of phones.
7. Has larger external antenna and do not have internal antennas.
8. For Internet access, has low data bandwidths.
9. Usage might need prior permission from local government and there are regulations regarding their usage
10. In disaster struck areas, useful in getting connected for needs.