• The EM-GSM was designed to create a local, independent GSM network that can serve local authorized group
• GSM services will not be connected to local network, meaning higher security level, no tapping, no charge…
• List of authorized staff can be controlled and modified by system operator.
• People can use their own GSM mobiles regardless of the commercial source
• Provide GSM communication in catastrophe areas where GSM network collapsed
• Provide GSM communication for remote army camps, or secured army camps.
• Can support GSM communication in berried bunkers that cannot get GSM transmission
• Provides GSM communication for rescue forces deployed in other countries
• Can support internal GSM communication of VIPs for security reasons while offering connectivity to the external providers  by the proper prefix

System main features:

• Each unit supports one frequency channel (8 time slots)
• Up to 1000 IMSI HLR database
• Up to 1000 IMSI VLR database
• Voice and SMS services (optional MMS)
• Call Holding, Call Waiting, Fast Dialing, Caller ID etc
• Assign priorities to different users
• Session Initiated Protocol (SIP) for external connectivity to commercial GSM networks
• Up to 5 Watts Output Power with Omni antenna