How to dimension RF part with Lora-E5

Hi all,
I’d like to create my own board with Lora-E5, in the datasheet here page 15 Reference design based on LoRa-E5 module we have a schematic and on pin 15 we have 2 capacitors C2-C3 and L2 but we don’t have any values how to compute it? I’ve looked in datasheet but I didn’t find any information aboutit