| FPort  | LoRaWAN payload                                            |
+ ------ + ---------------------------------------------------------- +
| RuleID |   W    | FCN=All-1 |  RCS    |  Last tile   | Opt. padding |
+ ------ + ------ + --------- + ------- + ------------ + ------------ +
| 8 bits | 2 bits |  6 bits   | 32 bits | 1 to 80 bits | 0 to 7 bits  |