Configure MQTT API Parameters (Cellular Version Only)

The device provides an MQTT API that receives downlink commands for retrieving people counting data. This section describes how to configure MQTT API parameters. It applies for the cellular version only.

Steps:

  1. In the main page, click Communication from the left navigation tree, then click in the lower right corner.

  2. Click in the lower right corner. The MQTT API page is displayed.

  3. Configure the following parameters as needed. For parameter descriptions, refer to the following table.
    Parameters Description
    Status Connection status between the device and the MQTT broker.
    Host Address of the MQTT broker to receive data.

    This device supports multiple third-party platforms. For the supported platforms, refer to Milesight official website.
    Port Port of the MQTT broker used to receive data.
    Topic Topic name used for publishing messages. An example topic name is as follows:

    The following placeholders are dynamically replaced with device information upon subscription.
    • - $devsn: Device SN
    • - $prdmd: Product model
    • - $devid: Customized device ID
    • - $siteid: Customized site ID
    Client ID Unique client identifier for the MQTT server. It must be unique across all connections to the same server and is essential for managing message delivery at QoS levels 1 and 2.
    Username User name for MQTT broker authentication.
    Password Password for MQTT broker authentication.
    QoS Options: QoS 0, QoS 1, and QoS 2.
    TLS Enables TLS encryption for MQTT communication.
    Certificate Type Options: CA Signed Server or Self Signed.
    • If Certificate Type is set to CA Signed Server, server verification is performed using a CA certificate that is pre-installed on the device.
    • If Certificate Type is set to Self Signed, click in the CA File, Client Certificate File, and Client Key File areas to upload the corresponding files for identity verification.
  4. Click to save the configuration.