# Ultrasonic Sensor (Sub 4 Meter) Specifications

URL: https://www.macnman.com/docs/lorawan/sensors-lorawan/ultrasonic-sensor-dfrobot/specifications
Section: User Manual › Lorawan › Sensors Lorawan › Ultrasonic Sensor Dfrobot

# Product Specifications

## Ultrasonic Sensor Parameters

<table className="parameter-table">
  <thead>
    <tr>
      <th>Parameter</th>
      <th>Range / Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Ranging Range</td>
      <td>3 – 450 cm</td>
    </tr>
    <tr>
      <td>Blind Zone Distance</td>
      <td>3 cm</td>
    </tr>
    <tr>
      <td>Response Time (Sensor)</td>
      <td>100 ms</td>
    </tr>
    <tr>
      <td>Resolution</td>
      <td>0.1 cm</td>
    </tr>
    <tr>
      <td>Center Frequency</td>
      <td>40 kHz ± 1 kHz</td>
    </tr>
    <tr>
      <td>Sensing Angle</td>
      <td>60°</td>
    </tr>
    <tr>
      <td>Protection Rating (Sensor)</td>
      <td>IP67</td>
    </tr>
  </tbody>
</table>

## LoRaWAN Wireless Transmission

<table className="parameter-table">
  <thead>
    <tr>
      <th>Parameter</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
      <tr>
      <td>Technology</td>
      <td>LoRaWAN® ( v1.0.4), Macnman Beam Protocol</td>
    </tr>
    <tr>
      <td>Antenna</td>
      <td>Internal high- efficiency antenna</td>
    </tr>
    <tr>
      <td>Sensitivity</td>
      <td>-137 dBm @ 300 bps</td>
    </tr>
     <tr>
      <td>Tx Power</td>
      <td>`16 dBm @868 MHz` `20 dBm @915 MHz` `19 dBm @470 MHz`</td>
    </tr>
    <tr>
      <td>LoRaWAN Class</td>
      <td>Class A (default), Configurable to Class C via Maya</td>
    </tr>
    <tr>
      <td>Frequency</td>
      <td>`IN865` , `US915` , `EU868` , `AU915` </td>
    </tr>
    <tr>
      <td>Activation Type</td>
      <td>`OTAA`</td>
    </tr>
    
  </tbody>
</table>

## Power Specifications

<table className="parameter-table">
  <thead>
    <tr>
      <th>Parameter</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Operating Voltage</td>
      <td>12-24 DC</td>
    </tr>
    <tr>
      <td>Power consumption</td>
      <td> < 0.2 W (Typical) </td>
    </tr>
    <tr>
      <td>Power Input Type</td>
      <td>Terminal (Internal)</td>
    </tr>
     <tr>
      <td>Reverse Protection</td>
      <td>Yes</td>
    </tr>
     <tr>
      <td>Battery Option</td>
      <td>Optional</td>
    </tr>
  </tbody>
</table>

## Physical Characteristics

<table className="parameter-table">
  <thead>
    <tr>
      <th>Parameter</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Power Supply</td>
      <td>Inbuilt Battery - 19,000 mAh , Optional Solar Panel</td>
    </tr>
    <tr>
      <td>Operating Temp</td>
      <td>-40°C to +80°C</td>
    </tr>
    <tr>
      <td>Humidity Range</td>
      <td>0% to 100% RH (non-condensing)</td>
    </tr>
    <tr>
      <td>Ingress Protection</td>
      <td>IP65 standard (IP67 optional variant)</td>
    </tr>
    <tr>
      <td>Enclosure Protection</td>
      <td>Weather-resistant (IP67 optional chemical-resistant F-Option)</td>
    </tr>
    <tr>
      <td>Color</td>
      <td>Matt Grey (Sensor) , Matt White (MacSync)</td>
    </tr>
    <tr>
      <td>Weight</td>
      <td>~210g (with 19Ah battery)</td>
    </tr>
    <tr>
      <td>Dimensions</td>
      <td>Approx. 152 mm X 62 mm X 43 mm (customizable branding available)</td>
    </tr>
    <tr>
      <td>Mounting Options</td>
      <td>Pole Mounting / Wall Mounting</td>
    </tr>
  </tbody>
</table>

## Operating Conditions

<table className="parameter-table">
  <thead>
    <tr>
      <th>Parameter</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
  <tr>
      <td>Operating temperature</td>
      <td> - 35 °C , + 60 °C</td>
    </tr>
    <tr>
      <td>Storage temperature</td>
      <td> - 40 °C , + 70 °C</td>
    </tr>
    <tr>
      <td>Relative Humidity</td>
      <td>95% (non-condensing) </td>
    </tr>
    <tr>
      <td>Casing Built</td>
      <td>Suitable for the indoor & outdoor harsh environements</td>
    </tr>
  </tbody>
</table>

## Default Paramters 

<table className="parameter-table">
  <thead>
    <tr>
      <th>Parameter</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
  <tr>
      <td>Frequency Plan</td>
      <td>IN868</td>
    </tr>
    <tr>
      <td>Adaptive data rate</td>
      <td>On</td>
    </tr>
    <tr>
      <td>Confirmed Uplinks</td>
      <td>Off </td>
    </tr>
    <tr>
      <td>Update Interval</td>
      <td>10 Mins</td>
    </tr>
  </tbody>
</table>

## Certifications

<table className="parameter-table">
  <thead>
    <tr>
      <th>Parameter</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
  <tr>
      <td>Regulatory</td>
      <td>WPC</td>
    </tr>
    <tr>
      <td>Environmental</td>
      <td>RoHS compliant</td>
    </tr>
  </tbody>
</table>

## Related Resources

- Datasheets: [LoRaWAN level sensor datasheets](/product/lorawan/sensors/level-sensors)
- Start of this manual: [Ultrasonic Sensor (Sub 4 Meter) Introduction](/lorawan/sensors-lorawan/ultrasonic-sensor-dfrobot/macsyncls_introduction)
- Setup shared by all sensors: [Common LoRaWAN sensor settings](/lorawan/sensors-lorawan/common-lorawan-settings/maya_configuration_led_status_common)
- Help: [Contact Macnman support](/help/help)