SpaceBridge Thruput

Has anyone tested the thruput using SpaceBridge? I understand the LTE modem, connection to the carrier, etc. should be the limiting factor, but I was wondering if anyone else has tried to see if the SpaceBridge infrastructure drastically limits your connection speed to the end device? The only anomaly I have seen with SpaceBridge is if I connect to my remote device (it has a SSH client) and pause a minute or so between commands, it takes longer to get the first response back than later responses.