|
|
|
Welcome! |
|
|
|
- Cordless telephone (portable phone)
- Cordless phones are standard telephones with radio handsets. Unlike
mobile phones, cordless phones use private base stations that are not shared
between subscribers. The base station is connected to a land-line.
Increasingly, with wireless local loop technologies, namely DECT, the
distinction is blurred.
- Professional Mobile Radio
- Advanced professional mobile radio systems can be very similar to mobile
phone systems. Notably, the IDEN standard has been used as both a private
trunked radio system as well as the technology for several large public
providers. Similar attempts have even been made to use TETRA, the European
digital PMR standard, to implement public mobile networks.
- Radio phone
- This is a term which covers radios which could connect into the
telephone network. These phones may not be mobile; for example, they may
require a mains power supply. Also, they may require the assistance of a
human operator to set up a PSTN phone call.
- Satellite phone
- This type of phone communicates directly with an artificial satellite
which in turn relays calls to a base station or another satellite phone. A
single satellite can provide coverage to a much greater area than
terrestrial base stations. Satellite phones are often used in remote areas
where no mobile phone coverage exists and at sea.
| |
|
|
| |