Phil, we include bandwidth measurements in most of our camera tests.
For example, from our recent <a href="http://ipvm.com/reports/axis-m3045-v-test" target="_blank">Axis M3045-V test</a>:
<img src="https://ipvm-uploads.s3.amazonaws.com/uploads/8553/9ded/bw.jpg" border="0" width="600" height="361">
We also have <a href="http://ipvm.com/reports/camera-bandwidth-storage-shootout" target="_blank">IP Camera Bandwidth / Storage Shootout</a> and <a href="http://ipvm.com/reports/advanced-bandwidth-test" target="_blank">Advanced Camera Bandwidth Test Results</a>.
What are you looking for specifically? We have lots of numbers in various places.

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Practical Examples of Camera Bandwidth