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rpr-IoT-AT01 | Indoor Ambient Temp Node

£145.23 exVAT

£174.28 incVAT

The rpr-IoT-AT01 is a battery powered ambient temperature sensor node that communicates using long range radio compatible with LoRaWAN and the Things Network.

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Product Description


The rpr-IoT-AT01 is a battery powered ambient temperature sensor node that communicates using long range radio compatible with LoRaWAN and the Things Network.

Data is stored on The RPR cloud for long-term storage and access. Readings can also be accessed by or sent in real time to your IoT dashboard of choice.

The rpr-IoT-AT01 has a wide range of applications where ambient temperature must be monitored.

• Building energy management • Goods storage
• Warehousing
• Working conditions
• Food Production
• Personnel safety and comfort
• Education and research projects
• Sports halls
• Museums
• Agriculture and Horticulture


rpr-IoT sensor nodes are LoRaWAN compatible class A devices which ensure secure interoperability between the sensor node, gateways and the cloud. They communicate using the LoRa wireless modulation technique based on chirp spread spectrum technology which allows data transfer over long distances at a very low power. It is possible for a single gateway to connect to many nodes and/or a node to connect to multiple gateways over a large area. Nodes can be spread over several km line of sight in open land. To help with deployment and monitoring of an IoT application the received signal strength and signal to noise ratio for each node is available on rpr-IoT dashboard. By default, the rpr-IoT sensor nodes use the Things Network. If operation with other networks is required, please contact Richard Paul Russell Ltd.


Message interval

The rpr-IoT-SR01 will adhere to the Things Network’s public community network fair use policy and adjust the minimum uplink message interval depending on the Data rate / Spreading Factor.
The spreading factor is determined by the Adaptive Data Rate (ADR) mechanism implemented in The Things Stack which is based on the signal to noise ratio (snr) of the received signal. When first switched on the node will join with a spreading factor of 12. To optimise battery usage the uplink message interval can be set to a longer value.
Please see the documentation for more.


Data Security

Advanced Encryption Standard (AES) 128-bit algorithms are used to provide two layers of cryptography, to the network server and end-to-end to the application server.



The rpr-IoT dashboard is user configurable to display data from multiple sensor nodes. Tiles can be added which display data in different formats, for example: line plots, bar graphs, dials or graphicly on a map or plan. Individual tiles can be defined and positioned by the user to suit their needs. Sensors can be given names applicable to their application.
The dashboard allows status information including battery state, signal strength, signal to noise ratio, and gateways to be monitored. Commands to set the uplink message interval can be sent from the dashboard.


rpr-IoT System Example

Physical Enclosure dimensions including flanges but excluding sensor 146mm x 96mm x 38mm
Mounting holes 4 off 3.5mm dia. Countersunk, 134.2mm x 69.8mm
Mounting slots 2 off 11.5mm x 3mm slot, 134.2mm spacing
Flange thickness 3 mm
Enclosure material ABS Plastic, Light Gray
Enclosure flammability rating UL94 V-0
Weight 180g
Temperature Sensor Sensor type DS18B20 digital
Sensor Accuracy ±0.5°C Accuracy from -10°C to +85°C
±1°C Accuracy from -30°C to +100°C
Resolution 0.1°C
Sensor temperature range -55°C to +125°C
Sensor Identification Each sensor has a unique 64-bit serial code
Time constant TBD
Sample rate 1 per second to 1 per 12 hours
Wireless/network Connectivity Frequency band 863-870 MHz
LoRa Channel EU868
Networking Protocol LoRaWAN
Aerial Internal Meandering Monopole circuit board mounted
Uplink Message Interval Selectable between 1 minute and 1 day
Range Up to 10km Line of sight dependent on environment
Power Battery type A size Lithium Thionyl Chloride (LiSOCl2)
Nominal Battery Capacity 4000mAh
Nominal Battery Voltage 3.6V
Environmental Temperature range Operating: -10°C to +60°C
Storage: -40°C to +70°C
Enclosure protection IP54
Compliance UKCA, CE

The manufacturer reserves the right to amend the specification and therefore the information in this document may be subject to change.

Data sheet
Download PDF Indoor Ambient Temperature Node Data Sheet


User manual
Download PDF Indoor Ambient Temperature User Manual


Richard Paul Russell IoT Range
Download PDF rpr-IoT_range_June24
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