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Mobell Communications Ltd.
The Winding House
Walkers Rise
Rugeley Road
Hednesford
Staffordshire
WS12 0QU
UK
Freephone: 0800 24 35 24
Tel: +44 (0) 1543 426 999
Fax: +44 (0) 1543 426 126
Email:
Category Archives: Technical Info
What is D-AMPS?
14th July, 2008 – 8:33 am
D-AMPS is designed to be compatible with the older analog AMPS technology, which is widely deployed in the U.S. TDMA is used as an enhancement to the AMPS network by the use of dual band AMPS / TDMA (or D-AMPS) phones. Use of these phones gives the widespread coverage of the AMPS networks along with some advantages of digital systems in areas where TDMA networks are available.
What is GSM?
10th July, 2008 – 8:33 am
The GSM network was developed in response to a need for a system, which could be used all over Europe and would allow its users to receive and make calls from a number which was not attributable to any geographical area. The GSM system was designed to also enable the customer to be billed by just one operator and pay for only one line rental.
American Phone Networks
7th July, 2008 – 11:15 am
In the USA there are several different types of mobile phone networks available. The Advanced Mobile Phone System, [AMPS], which may also be known as Analogue Mobile Phone System or American Mobile Phone System. This is an analogue network, which operates at 800MHz.
Iridium Satellite Network
7th July, 2008 – 11:13 am
The Iridium system works by the handset sending a signal to one of several satellites, which orbit the Earth. There are 66 Iridium satellites in 6 different polar orbits, and one complete orbit of the Earth takes 100 minutes, since they travel at 16,832 miles per hour.
Japanese Phone Network
7th July, 2008 – 11:10 am
The systems used for mobile phone communication in Japan, are completely different to those, used in other parts of the world and therefore, your handset, regardless of whether it has tri-band capabilities or not, will be incompatible with the Japanese networks.