[SALMAN]

How to check the coverage maps in 220 countries, GSM 3G

Planning a business trip or vacation in any country in the world, even the most remote, and would like to know before you leave if you go where there is a service of GSM mobile network gsm , how many and what are the operators , what are the services available and , very importantly, if you can use in roaming your card SIM with one or more local operators, as you do?
Consult the section simply GSM coverage maps of the GSMA , the association representing more than 850 operators of GSM and 180 manufacturers and suppliers worldwide, for a total of 860 networks in 220 countries which together account for more than 3 billion numbers GSM and 3GSM .

On the main page GSM Coverage Maps , in addition to the world map in PDF format, are listed below in alphabetical order the links to access data from all 220 countries, by country, see for example New Zealand , where you can find lists all available networks and local operators as well as those active and those temporarily out of service, with links to detailed information about the specific operators , roaming partners , services and map coverage detailed zoomable signal.