| G4 | |
|---|---|
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| Country | Canada |
| Broadcast area | Nationwide |
| Headquarters | Toronto, Ontario |
| Programming | |
| Picture format | 1080i (HDTV) (downscaled to letterboxed 480i for the SDTV feed) |
| Ownership | |
| Owner | Rogers Sports & Media |
| History | |
| Launched | September 7, 2001 |
| Closed | August 31, 2017 |
| Former names | TechTV (2001–04) G4techTV (2004–09) |
| Availability | |
G4 was a Canadian English-language specialty television channel owned by Rogers Media.