# S2 system description

- [Features](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/features.md)
- [Network structure](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/network-structure.md)
- [Radio Net ID and Node ID](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/network-structure/radio-net-id-and-node-id.md)
- [S2 Node](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node.md)
- [Status LED](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/status-led.md)
- [UART](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/uart.md)
- [Sensor's connector](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/sensors-connector.md)
- [Label](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/label.md)
- [Symbols](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/symbols.md)
- [S2 node parameters](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-node-parameters.md)
- [RD001 serial cable](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/rd001-serial-cable.md)
- [Power supply](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/power-supply.md)
- [S3 node version](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s3-node-version.md)
- [S2 node types](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-node-types.md)
- [S2 communication protocol](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol.md)
- [Frame](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/frame.md)
- [Header](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/frame/header.md)
- [Data field](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/frame/data-field.md)
- [List of S2 commands](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/list-of-s2-commands.md)
- [S2 commands' details](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details.md)
- [INIT\_NODE, Command 10](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/init_node-command-10.md)
- [SET\_TYPE, Command 12](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/set_type-command-12.md)
- [SET\_SN, Command 14](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/set_sn-command-14.md)
- [ENABLE\_FLASH\_PROGRAMMING, Command 15](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/enable_flash_programming-command-15.md)
- [GET\_GRP\_ID, Command 16](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_grp_id-command-16.md)
- [GET\_HW\_SW, Command 18](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_hw_sw-command-18.md)
- [GET\_SW\_HW via RADIO, Command 19](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_sw_hw-via-radio-command-19.md)
- [GET\_SW\_HW\_TYP\_SN, Command 1A](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_sw_hw_typ_sn-command-1a.md)
- [GET\_SW\_HW\_TYPE\_SN via RADIO, Command 1B](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_sw_hw_type_sn-via-radio-command-1b.md)
- [GET\_HW\_SW AND DATE INFO, Command 1C](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_hw_sw-and-date-info-command-1c.md)
- [RD\_SET\_CALI via RADIO, Command 35](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/rd_set_cali-via-radio-command-35.md)
- [RD\_TEMP\_SPECIAL, Command 3A](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/rd_temp_special-command-3a.md)
- [GET\_TEMP\_SPECIAL, Command 3B](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_temp_special-command-3b.md)
- [GET\_VALUE\_BY\_INDEX via RADIO/UART, Command 3C](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_value_by_index-via-radio-uart-command-3c.md)
- [RD\_SET\_CALI\_BY\_INDEX via RADIO, Command 3D](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/rd_set_cali_by_index-via-radio-command-3d.md)
- [SET\_VALUE\_BY\_INDEX via RADIO, Command 3E](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/set_value_by_index-via-radio-command-3e.md)
- [GET\_DEBUG\_COUNTERS, Command 3F](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/get_debug_counters-command-3f.md)
- [QUERY\_PIN, Command 50](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/s2-commands-details/query_pin-command-50.md)
- [Linking](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/linking.md)
- [Examples of linking](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/linking/examples-of-linking.md)
- [CRC](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/crc.md)
- [Detailed description of GET\_TEMP\_SPECIAL(3A)](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-node/s2-communication-protocol/detailed-description-of-get_temp_special-3a.md)
- [S2IOG2 analogue interface](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface.md)
- [Connectors](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/connectors.md)
- [S2IOG2 accuracy](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/s2iog2-accuracy.md)
- [Sensors' indexes](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/sensors-indexes.md)
- [S2IOG2 versions](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2iog2-analogue-interface/s2iog2-versions.md)
- [S2 PT100/PT1000 interface](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface.md)
- [Connectors](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/connectors.md)
- [PT100/PT1000 accuracy](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/pt100-pt1000-accuracy.md)
- [Sensors installation](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/sensors-installation.md)
- [Sensor indexes](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/sensor-indexes.md)
- [PT100/PT1000 sensors](https://help.boomerang3.com/s2-radio-system-manual/s2-system-description/s2-pt100-pt1000-interface/pt100-pt1000-sensors.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://help.boomerang3.com/s2-radio-system-manual/s2-system-description.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.