The meaning of the Acronym GSM is...

GSM is

• General Support Maintenance
• Ground Station Module
• Ground Support Module
• Generic Simulation Manager
• General Service Medal

More Meanings For GSM:

• Sound (GSM 6.10 prI-ETS 300 036 13kbit/s) (Internet phones)
• Global System for Mobile (communications)
• Group Speciale Mobile
• Groupe Speciale Mobile
• Global Systems for Mobile (communications)
• Generalized Second Moment
• Geocentric Solar Magnetospheric
• Graduate School Of Management
• Good Shit Man
• Grams per Square Meter
• Grenache Syrah Mouvedre
• General Standard For Mobile
• Gsm Stands For Members
• God Send Mobiles
• Green Sex Machine

GSM is also in:

• Adults
• Electronics
• File Extensions
• Mathematics
• Meteorology
• Telecom
• Unfiled
• Unit Measures
• Universities