srnet:
The use of FEC is implicit in the use of LoRa, you cannot turn it off all together. Ebyte have an option for turning it on and off, I suspect that might actually just be changing the rate from 4:5 to 4:8.You can (with the native LoRa device) set the rate from 4:5 to 4:8.
The standard FEC rate, 4:5 adds 25% to the number of bits sent, hardly an 'EXTREME bandwidth hog'.
I do not know if they practically violate the standard on their config tool. I talked of their config tool specifically ("RF_Setting") which only shows "FEC ON", "FEC OFF" and when it's enabled it's extremely higher bandwidth compared to being off when bandwidth matters (e.g. when you need to squeeze your data - comfortably - in 9600 and when it's on, only 19200 may do it) [the word "extremely" is subjective anyway, so let's not delve too much into that, in the example I gave it can be considered an important overhead in any case].
[PS. Their manual/datasheet also only includes phrases like "After turn off FEC"]