| LoRaWAN Header | LoRaWAN payload (231 bytes) | + --------------------------------------+ --------------------------- + | | FOpts | RuleID=20 | W | FCN | 23 tiles | + -------------- + ------- + ---------- + ----- + ----- + ----------- + | XXXX | 4 bytes | 1 byte | 0 0 | 61 | 230 bytes |