> For the complete documentation index, see [llms.txt](https://docs.ruuvi.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ruuvi.com/communication.md).

# Communicate with Ruuvi sensor devices via Bluetooth

- [Bluetooth advertisements](https://docs.ruuvi.com/communication/bluetooth-advertisements.md): Lifecycle: In production
- [Data format 3 (RAWv1)](https://docs.ruuvi.com/communication/bluetooth-advertisements/data-format-3-rawv1.md): Lifecycle: Deprecated
- [Data format 4 (URL)](https://docs.ruuvi.com/communication/bluetooth-advertisements/data-format-4-url.md): Lifecycle: Obsolete
- [Data format 5 (RAWv2)](https://docs.ruuvi.com/communication/bluetooth-advertisements/data-format-5-rawv2.md): Lifecycle: In Production
- [Data format C5 (Cut-RAWv2)](https://docs.ruuvi.com/communication/bluetooth-advertisements/data-format-c5-rawv2.md): Lifecycle: Beta. Last updated 2024-01-30
- [Data format 6](https://docs.ruuvi.com/communication/bluetooth-advertisements/data-format-6.md): Lifecycle: In Production
- [Data format 8 (Encrypted environmental)](https://docs.ruuvi.com/communication/bluetooth-advertisements/data-format-8-encrypted-environmental.md): Lifecycle: Proposal
- [Data format E1 (Extended v1)](https://docs.ruuvi.com/communication/bluetooth-advertisements/data-format-e1.md): Lifecycle: In Production
- [Bluetooth connection](https://docs.ruuvi.com/communication/bluetooth-connection.md): Lifecycle: Beta testing
- [DIS (Device Information Service)](https://docs.ruuvi.com/communication/bluetooth-connection/device-information-service-dis.md)
- [NUS (Nordic UART Service)](https://docs.ruuvi.com/communication/bluetooth-connection/nordic-uart-service-nus.md)
- [Heartbeat transmissions](https://docs.ruuvi.com/communication/bluetooth-connection/nordic-uart-service-nus/heartbeat-transmissions.md): Lifecycle: Alpha
- [Read logged history - RuuviTag](https://docs.ruuvi.com/communication/bluetooth-connection/nordic-uart-service-nus/log-read.md): Lifecycle: in production
- [Read logged history - Ruuvi Air](https://docs.ruuvi.com/communication/bluetooth-connection/nordic-uart-service-nus/read-logged-history-ruuvi-air.md)
- [Real Time Transfer (RTT)](https://docs.ruuvi.com/communication/development-real-time-transfer.md): Lifecycle: In production


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## 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://docs.ruuvi.com/communication.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.
