# Commands cheat sheet

## Messages explanation

| **Command code, \[hex]** | **Command name**                                                                                                                                                                                                                                                | **Sent from**      |
| ------------------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------ |
| 01                       | [Keep-alive](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/aqi-sensor-lorawan-device-communication-protocol/keep-alive)                                                                                    | End device         |
| 02                       | [Set keep-alive period](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/keep-alive#set-keep-alive-period-command-explanation)                                                                                | Server             |
| 03                       | [Device buzzer control](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/aqi-sensor-lorawan-device-communication-protocol/device-buzzer-control-command)                                                      | Server             |
| 04                       | [Read device hardware and software version](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/aqi-sensor-lorawan-device-communication-protocol/read-device-hardware-and-software-version-command-explanation.) | Server/ End device |
| 05                       | [Device LED’s control](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/aqi-sensor-lorawan-device-communication-protocol/device-leds-control)                                                                 | Server             |
| 10                       | [Set network join retry period](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/network-related-settings#set-network-join-retry-period-command-explanation)                                                  | Server             |
| 11                       | [Set uplink messages type](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/uplink-types#set-uplink-messages-type-command-explanation)                                                                        | Server             |
| 12                       | [Get keep-alive period](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/keep-alive#get-keep-alive-period-command-explanation)                                                                                | Server/ End device |
| 19                       | [Get network join retry period](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/network-related-settings#get-network-join-retry-period-command-explanation)                                                  | Server/ End device |
| 1B                       | [Get uplink messages type](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/uplink-types#get-uplink-messages-type-command-explanation)                                                                        | Server/ End device |
| 1C                       | [Set device radio communication watch-dog parameters](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/network-related-settings#set-device-radio-communication-watch-dog-parameters-command-explanation)      | Server             |
| 1D                       | [Get device radio communication watch-dog parameters](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/network-related-settings#get-device-radio-communication-watch-dog-parameters-command-explanation)      | Server/ End device |
| A4                       | [LoRaWAN Region](https://docs.mclimate.eu/mclimate-lorawan-devices/devices/mclimate-aqi-sensor-and-notifier-lorawan/network-related-settings#lorawan-region)                                                                                                    | Server/ End device |

Table 2