> For the complete documentation index, see [llms.txt](https://docs.efento.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.efento.io/efento-cloud/advanced/device-information.md).

# Device information

The **Device information** section provides an overview and detailed information about NB-IoT sensors and Efento Gateways. This section is accessible only to users with **Manager** or **Administrator** permissions. To open Device Management, click the **gear icon** in the menu bar and select **Device information**. 

<figure><img src="/files/Qp62gvhOq7VxrkggvhDg" alt=""><figcaption></figcaption></figure>

The content of the **Device information** section adapts to the devices present in your organization. If your organization has **Efento Gateways**, a **Gateways** tab will be displayed. If it includes **NB-IoT sensors**, the **NB-IoT Sensors** section will be shown.

## NB-IoT sensors

![](/files/fd539e4dfb785d38cf0f358efd1dd82e2f2540bf)

Information located in the NB-IoT tab:

* **Firmware** - device firmware version,
* **Cell ID (Hex) /  TAC / PCI** - parameters allowing to determine the base station providing NB-IoT communication,
* **Band** - used by the device to send the data via the NB-IoT network,
* **NB-IoT signal quality** - the values of the following parameters are highlighted in different colors depending on the range they fall within (<mark style="color:green;">**green - very good**</mark>**,&#x20;**<mark style="color:yellow;">**yellow - medium**</mark>**, red - poor**)
  * RSRP - <mark style="color:green;">**> -102**</mark>**&#x20;|&#x20;**<mark style="color:yellow;">**from -102 to -110**</mark>**&#x20;|&#x20;**<mark style="color:red;">**< -110**</mark>
  * RSRQ - <mark style="color:green;">**> -9**</mark>**&#x20;|&#x20;**<mark style="color:yellow;">**from -9 to -11**</mark>**&#x20;|&#x20;**<mark style="color:red;">**< -11**</mark>
  * RSSI - <mark style="color:green;">**> -75**</mark>**&#x20;|&#x20;**<mark style="color:yellow;">**from -75 to -84**</mark>**&#x20;|&#x20;**<mark style="color:red;">**< -84**</mark>
  * SINR - <mark style="color:green;">**> 10**</mark>**&#x20;|&#x20;**<mark style="color:yellow;">**from 10 to 8**</mark>**&#x20;|&#x20;**<mark style="color:red;">**< 8**</mark>
  * ECL - <mark style="color:green;">**0**</mark>**&#x20;|&#x20;**<mark style="color:yellow;">**1**</mark>**&#x20;|&#x20;**<mark style="color:red;">**2**</mark>
* **TX power** - current transmitting power of the NB-IoT module,
* **Battery voltage** - the last measured voltage of the sensors’ battery (the battery qualifies for replacement when its voltage drops below 2.7V),
* **Received at** - Timestamp of the received device information,
* **History** - allows you to view the above-mentioned historical data. The window view is shown in the screenshot below.

![](/files/c956bac8dcf908c02e8b657e3fb938c6f7900859)

## Gateways

<figure><img src="/files/COjsvNhmkvB7dhUpZE5C" alt=""><figcaption></figcaption></figure>

The "**Gateways**" tab enables full supervision over the operation of base stations, which are responsible for receiving data from Bluetooth (BLE) loggers and transmitting it to the cloud platform.

To navigate to this view, select the devices section from the main menu, and then click the "**Gateways**" tab on the top toggle switch (next to the *NB-IoT* tab).

#### Filtering and sorting the list

At the top of the table, directly next to the MAC column header, there are utility icons:

* **Magnifying glass icon (Search)**: Allows for a quick filtering of a specific base station by entering its MAC address.
* **Arrow icon (Sorting)**: Allows for alphabetical sorting of devices up or down based on the MAC address or the date of the last update.

#### Table columns

The table contains key diagnostic metrics for each gateway:

* **MAC**: Unique hardware identification address of the device (serial number). It is crucial when verifying a physical device against its representation in the system.
* **Location**: The name of the location or sub-location to which the base station has been assigned.
* **Status**: Current operational state of the device. The "LOST" label (orange color) indicates that the base station has not established contact with the Efento Cloud server for a long time and requires on-site verification at the installation location.
* **Cellular signal**: Informative of the connection quality with the LTE cellular network. Clicking on the value opens a window displaying a history of parameters related to the LTE signal quality (RSSI, RSRP, RSRQ, SINR) over time.<br>

  * A crossed-out antenna icon with a "No connection" message indicates a complete lack of network signal.
  * The status "n/a" (not applicable) appears for devices operating exclusively on an Ethernet network.

  <figure><img src="/files/kQ899iLNQhkwvFFJajOD" alt="" width="563"><figcaption></figcaption></figure>
* **Loggers in range**: The number of wireless Efento sensors from which the given base station is currently receiving data packets. Clicking the "Check details" link expands a full list of associated loggers along with information on the connection quality between the logger and the gateway. Additionally, it is possible to display a list of devices within the gateway's range that have not yet been added to the organization in Efento Cloud.<br>

  <figure><img src="/files/XAeFZzMghEzAaKl5N1OR" alt="" width="563"><figcaption></figcaption></figure>
* **Power supply**: Presents the current status of the power source and the condition of the internal battery:
  * **Charging** (plug icon): The device is correctly connected to a permanent mains power supply.
  * **Percentage indicator** (e.g., 12%, 15%): No mains power supply – the device is running on backup (battery) power. A low level (below 20%) requires immediate connection of the power adapter.
* **Updated**: The exact date and time of the last received control packet (ping) from the base station.

#### Available actions and device management

On the right side of each row, there are operational buttons that allow for interaction with a specific gateway:

* **Device details**: Clicking this link opens a dialog where information about the firmware version and device model is available.
* **Pencil icon (Edit)**: Allows the gateway to be assigned to a selected location.
* **Trash can icon (Delete)**: Allows for the complete removal of the base station from the organization's account in Efento Cloud. Note that this option only applies if the gateway is inactive; if you remove the gateway from an organization, it will automatically be added back to the list upon its next data transmission.


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