> For the complete documentation index, see [llms.txt](https://areametrics.gitbook.io/beacon-detection-snippet/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://areametrics.gitbook.io/beacon-detection-snippet/data-glossary.md).

# Data Glossary

This page describes the data that is sent by the snippet to AreaMetrics

## User/Device Data

* Advertising ID: Standard advertising identifier (IDFA or AAID) 
* Locale: 2 digit country code 
* Location Permission: Status of location authorization
* Model: Model of the device
* OS: Operating system (”ios” or “android”)
* OS Version: Version of the operating system
* Publisher ID: Publisher ID assigned by AreaMetrics
* User Agent: User agent string of device web browser
* Vendor ID: Non-universal, per-app user ID provided by the OS

## Bluetooth Beacon Data

The following data is collected entirely from Bluetooth beacon signals and is not relevant to the user.

* Timestamp of scan
* Proximity UUID: Primary beacon identifier
* Major: Secondary beacon identifier
* Minor: Tertiary beacon identifier
* RSSI: Signal strength reading
* Accuracy: Distance estimate in meters
* Proximity: Rough distance classification
* TX Power: Estimated transmission power of the beacon
* Average RSSI: The average RSSI value
* Beacon Type: Whether the beacon is an ibeacon or an altbeacon
* Manufacturer: Maker of the beacon
* Address: The MAC address of the beacon itself
* Number of RSSI: Amount of times this beacon was recently seen
* Name: Bluetooth Name of the device