help      display help
reset     reset command
deveui    deveui command
appeui    appeui command
appkey    appkey command
join      join network
send      send packet
recv      recv packet
devaddr   devaddr command
nwkskey   nwkskey command
appskey   appskey command
ucnt      uplink count command
dcnt      downlink count command
channels  list channels
index     current channel index
power     power setting
datarate  datarate setting
port      application port