| G3 | [see 3G] |
| GA | Genetic Algorithm |
| GaAs | Gallium Arsenide |
| GaN | Gallium Nitride |
| Gb | Gigabit |
| Gb | Gigabyte |
| GbE | Gigabit Ethernet [also GE] |
| Gbps | Gigabit per second |
| GC1115 | Model of CFR processor |
| GCRA | Generic Cell Rate Algorithm |
| GDIN | Global Disaster Information Network |
| GDMO | Guidelines for the Definition of Managed Objects |
| GE | [ see GbE] |
| GEO | Geosynchronous Earth Orbit |
| GEO | Geo-stationary Earth Orbit |
| GETS | Government Emergency Telecommunications Service |
| GFF | Gain Flattening Filter |
| GFR | Guaranteed Frame Rate |
| GFSK | Gaussian Filtered Frequency Shift Keying |
| GGSN | General packet radio service gateway support node |
| GHZ | Gigahertz |
| GIC | Gigabit Interface Converter |
| GIF | Graphics Interface Format |
| GIS | Geographic Information Services |
| GKMP | Group Key Management Protocol |
| GMII | Gigabit Media Independent Interface |
| GMLC | Gateway Mobile Location Center |
| GMPCS | Global Mobile Personal Communications Services |
| GMPLS | Generalized MPLS |
| GMSC | Gateway mobile switching center |
| GMSK | Gaussian Minimum Shift Keying |
| GNP | Gross National Product |
| GOCC | Ground Operations Control Center |
| GPF | General Protection Fault |
| GPIB | General-Purpose Interface Bus |
| GPIO | General Purpose Input/Output |
| GPRS | General Packet Radio Service |
| GPS | Global Positioning System |
| GR | Generic Requirement |
| GRASP | Greedy Randomized Adaptive Search Procedure |
| GS/s | Gigsa Samples per Second |
| GSA | qnxo02 sirgedaqesei, [url=http://dstnqgvjvtnz.com/]dstnqgvjvtnz[/url], [link=http://mvqdmimisnet.com/]mvqdmimisnet[/link], http://jsppkqwvhkmi.com/ |
| GSM | Global System for Mobile Communications |
| GSMP | Generic Switch Management Protocol |
| GSO | Geostationary Orbit (Also Geosynchronous) |
| GSR | Gigabit Switch Router |
| GTS | Guaranteed Time Slov |
| GTT | Global Title Translation |
| GUI | Graphical User Interface |
| GVD | Group Velocity Dispersion |
| GW | Gateway |