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| Typical image transmission rates | ||
| Medium | Bit rate | Image update |
| PSTN | 28K (worst case) | 1 image every 5 seconds (non-conditional update) 2 images per second (conditional refresh 10% change) |
| ISDN | 64K | 1 image per second |
| ADSL | 512K | 6 images per second |
| 1 Mbit link | 1M | 12 images per second |
| 2 Mbit link | 2M | 25 images per second |
| 10baseT local network | 10M | 25 images per second (depending on network traffic) |
| Top ten image update rates | |
| Medium | Images per second |
| ShowScan (theme park virtual reality ride) | 60 |
| IMAX (giant screen cinema) | 48 |
| Todd-AO (high resolution cinema) | 30 |
| American TV & American CCTV | 30 |
| Cinerama (surround cinema) | 26 |
| European TV & European CCTV | 25 |
| Modern cinema films | 24 |
| Silent movies | 16 |
| Baird’s first television | 12.5 |
| Early newsreel (hand-crank cameras) | 9 |