GSM STATION MONITOR,GSM STATION ALARM,GSM STATION SAFE DEVICE,GSM SECURITY AND PROTECTION,STATION SECURITY,SAFE EQUIPMENT,GPS FeaturesFor your better understanding and use of the system, need to know the following terms:zone: refer to indoor and outdoor with a particular region or a particular type of protection related to one or a group of probes. Such as the security zone (used to monitor the ...