Nighttime bandwidth spikes are a major concern in video surveillance. Many calculate bandwidth as a single 24/7 number, but bit rates vary dramatically from day to night. But how much? 100% more? 500%? 1,000%?
To find out we tested cameras from six manufacturers - Avigilon, Axis, Dahua, Hanwha, Hikvision, Uniview - to find out how each did, what was average, and who was worst and best and how much performance has improved in the past several years.