This article will provide information on the expected bandwidth use that a SiteManager has, and the maximum bandwidth a SiteManager can support.
All information in the article is a estimate. Your performance will differ from these numbers. This will just give you a rough estimate on the data usage.
When a SiteManager is connected to a GateManager server but not in use it uses around 20 MB per month. This is the heartbeats that it sends to the GateManager server. You can increase or decrease the amount of heartbeats a SiteManager sends.
Theoretical maximum bandwidth
SiteManager 10XX (first edition) expected load speed is 5Mbps
SiteManager 14XX (first edition, 4 ports model) if only using UPLINK you can expect up to 10 Mbps.
SiteManager 34XX (first edition, 4 ports model) if only using UPLINK you can expect up to 10 Mbps.
SiteManager 11XX (second edition) expected load speed is 15Mbps.