Ambiance LoRaWAN

1.Hazards and Warnings


Manufacturer cannot be held responsible for failure by user to comply with the instructions in this manual.
Any service perfore on this product must be completed by a qualified individual.
Replacement of this product must be performed by a qualified individual.
Failure to use this equipment in accordance with the specifications in this documentation could lead to a hazard.
No parts in this device should be replaced or removed.
Disconnect all power supplies before servicing the equipment.

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2.Certifications and Conformities

  • EN 61000-6-2 : Immunity for industrial environments
  • EN 61000-6-3 : Emissions for residential environments
  • EN 55022 : Immunity IT equipment
  • EN 30022
  • EN 61010 :  Metering equipment
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LoRaWAN™ AMBIANCE sensor measuring temperature, humidity, rate of presence, brightness and, in option, CO2.

Accessoires :

3.6V AA Lithium battery. Capacity 2.7 Ah

Power supply 230 VAC – 5VDC. DIN RAIL mounting

Power supply 230 VAC – 5 VDC compatible with power socket

Power supply 230 VAC – 12 VDC compatible with power socket


Options : 

Option including the CO2 module, AMBIANCE sensor modifications and a 12 VDC 500mA power supply unit.

AMBIANCE modifications allowing the use of an external power supply from 5VDC to 12VDC


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4.Product description


The AMBIANCE is a complète LoRaWAN™ sensor that can measure five different things: temperature, humidity, rate of presence, brightness, and CO2 as an option.

This product can run on batteries, which allows for more flexibility in its positioning.
In order to measure CO2, an EE893 sensor made by E+E must be connected to the AMBIANCE.

Its measuring cell uses dual-wavelength E+E infrared technology NDIR, which compensates for the effects of aging, is particularly resistant to pollution and offers great long-term stability.

The Ambiance sensor is configurable via its software (available on request): transmission periods, radio communication parameters, network status, sensor measurement.

Caution : Measuring CO2 requires the use of an external power supply and cannot be run on batteries.

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5.motion detection description

The Ambiance sensor, thanks to its infrared sensor, is able to count the time during which a room, a corridor, or more generally an area is used.
It transmits at regulatar interval this duration as well as its other measurements using LoRa radio.
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6.Product installation

Mise en place du capteur


This equipment can be mounted a variety of ways :

  • screwing to the wall
  • Option : using a double-sided adhesive

In order to make installation easier, you must remove the rear part of the chassis using a screwdriver.
The last step is to screw the chassis to the wall (or mount it using a double-sided adhesive) and reassemble the front part fixed to the rear part thus mounted.


Description of sensor

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7.Radio communication

The AMBIANCE periodically send its sensor measurements via a  LoRaWAN™ radio link.

In order to configure the AMBIANCE sensor for a LoRaWAN™ network, the unique encrypted identification code indicated on each product (DevEUI) is required.

As well as the following two codes AppEUI and AppKey provided with your order.


Network connection process
  • Our products try to connect to the network when they start
  • If it does not work, they will retry every 24 hours until it works.
Periodique network reconnection
  • Our products restart a network connection procedure every 7 days.
    These reconnections improve security.
    Indeed, reconnection to the network renews the encryption keys.


Configuration of switches 


Payloads descriptions

The AMBIANCE sensor transmits its data in raw format on different public and private LoRaWAN™ networks. The section below shows you how to decode the frames (PayLoad) sent by the AMBIANCE.


Periodic frames :

The periodic frames contain the data measured by the AMBIANCE sensor.

Example of a periodic transmitted frames (HEXADECIMAL) :

000E 00 6A0B 04 60 08 A802 10 2E04 14 5000

Status frame

The status frame contain supplementary information about the sensors (battery level, firmware version, etc.)

Example of a transmitted (HEXADECIMAL) status frame :

100A 0002 020401 0407 083C00

Explanation of the frame structure :

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8.Technical specifications

  • Voltage : 3.6 VDC
  • Life span on battery power : up to 5 years depending on use
  • Voltage using external power : 5 to 12 VDC



Temperature measurement :
Temperature : -40 to 60℃                      Accuracy : 0,3℃


Relative humidity :

Humidity : 0 to 100%                              Accuracy : 1%


Brightness measurement :

Brightness : 0 to 65535Lux                    Accuracy : 3Lux*


Measurement of CO2 level :

CO2 level : 0 to 10000PPM               Accuracy : 100ppm + 5%


Presence measurement  :

Presence measurement range : 5 to 6 m
Angle de détection : 130°


Warning: Measurements performed outside of recommended operating conditions as listed below can damage the product.



  • Frequency : 868MHz
  • Unique serial number : yes
  • Maximum transmission power : 25mW
  • Communication range : up to 15km in open areas



  • Area of application : indoors
  • Operating temperature : from 5 to 60°
  • Storage temperature : from -20° to +70°
  • Operating humidity : from 10 to 80%, without condensation
  • Maximum altitude : 2000 m
  • Power supply voltage fluctuation : ±10% of the nominal voltage


  • Dimensions (H X L X P) : 86 x 86 x 25.5 mm
  • Chassis material : ABS
  • Weight : 80g (without batteries)
  • Protection rating : IP20
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          13, Rue Maurice Jeandon

           88100 Saint-Dié des Vosges


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