# GPS antenna disconnected

## Overview

The "GPS antenna disconnected" rule is designed for GPS devices that utilize an external antenna, typically connected via a cable and socket. When the antenna becomes disconnected (or cut off), it can disrupt satellite signal reception, leading to potential tracking issues. This rule alerts you immediately when such a disconnection occurs, allowing you to quickly address the problem and maintain continuous tracking of your assets.

For example, if you manage a fleet of delivery vehicles equipped with trackers and external GPS antennas, this rule helps you monitor the integrity of your GPS connections. If an antenna becomes disconnected due to environmental factors or tampering, you'll be immediately notified. This allows you to take corrective action, such as sending a technician to restore the connection, preventing potential delays and maintaining efficient operations.

{% hint style="info" %}
Most modern GPS devices come equipped with built-in high-sensitivity antennas, making external antennas obsolete.
{% endhint %}

## Rule settings

This rule is entirely dependent on the device's capabilities and hardware configuration. There are no specific settings to configure within the rule itself.

For common settings, please refer to [Rules and Alerts](/docs/user/guide/events-and-notifications.md).

## System operation details

* **Reset timer:** The "GPS antenna disconnected" alert has a 5-minute reset timer, meaning the alert will not trigger more frequently than once every 5 minutes. If an event occurs during the reset period, it will be omitted by the platform and will not be included in reports.
* **Multiple devices:** You can monitor multiple trackers with this rule, provided that the selected trackers support GPS antenna disconnected events and the feature is integrated into the platform. This allows for comprehensive monitoring across various vehicles or devices.
* **Event handling without coordinates:** The platform will register and display the event even if it is received in a packet without valid GPS coordinates. This ensures that you are informed of the disconnection event, regardless of the location data. The Inside/Outside radio button settings for geofences are ignored in these cases, prioritizing the display of potentially critical events.


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