CubeCell LoRa bandwidth 20k8?

Using plain LoRA not LoRaWAN so like the provided pingpong example is there are way to use the LoRa bandwidth’s other than 125, 250, 512 kHz? I would like to communicate with an older LoRa board that is using a bandwidth of 20k8. Is it possible?


Anyone have any ideas? Am I asking about this in the right place?

The SX1262 does support all the other bandwidths, it seems like just the API’s provided with the Arduino library doesn’t?