Blitzz Video uses variable bitrate codecs. Call quality adjusts automatically to your network conditions, so bandwidth use changes during the call.
Quick answer
We recommend at least 540 kbps upload and download for a good video call. A 5 minute SD video call uses about 20 MB of data.
Estimated data usage by video quality
Use this table to estimate data use. Actual bandwidth varies with network conditions.
| Media quality | Data rate (kbps) | Data per minute | 5 minute call | Network |
|---|---|---|---|---|
| Low-res video (240x180) + HD audio | 200 kbps | 0.0015 GB/min | 7.5 MB | Wi-Fi / 3G |
| SD video (640x480) + HD audio | 540 kbps | 0.00405 GB/min | 20.25 MB | Wi-Fi / LTE / 3G |
Frequently asked questions
What is the minimum bandwidth for a Blitzz call?
540 kbps upload and download for a decent video experience.
Will Blitzz work on a slow connection?
Yes. Blitzz adjusts video quality to match your network, so calls can continue on slower connections at lower quality.