One question that often comes up when evaluating SpeedFusion bonding performance is that Speedtest.net says that I have 10Mbps on this landline/4G LTE, but SpeedFusion says it is only 5Mbps?
Peplink distributor Frontier BV has published a great article explaining this behaviour on their website.
You can read the first part of the article by following this link, the second part is available here.