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Temperature sensor

Radionode RN320-EX2 LoRaWAN decoder and payload format

The Radionode RN320-EX2 is a LoRaWAN temperature sensor that reports temperature and switch state. It runs on a replaceable 2X3.6V Li-SOCL2 (17000mAh) battery and it works from -20 to 80 °C.

Radionode RN320-EX2
Official decoderDatasheetProduct page

Payload format

An uplink from the device as it arrives at the network server, and what the official decoder returns for it. Examples come from the decoder's own test cases.

Example 1 · fPort 88

Payload (hex)

0C 26 00 C9 03 0B 68 02 C4 1D B4 41 D8 02 B7 41 00 00 00 00

Decoded (JSON)

{
  "head": 12,
  "model": 38,
  "tsmode": 0,
  "timestamp": 1745552329,
  "splfmt": 2,
  "data_size": 12,
  "temperature_01": 22.514534,
  "temperature_02": 22.876389,
  "door_01": 0
}
FieldValue
head12
model38
tsmode0
timestamp1745552329
splfmt2
data_size12
temperature_0122.514534
temperature_0222.876389
door_010

Example 2 · fPort 88

Payload (hex)

0D 26 00 C9 03 0B 68 02 C4 1D B4 41 D8 02 B7 41 00 00 00 00

Decoded (JSON)

{
  "head": 13,
  "model": 38,
  "tsmode": 0,
  "timestamp": 1745286954,
  "splfmt": 2,
  "data_size": 12,
  "temperature_01": 22.514534,
  "temperature_02": 22.876389,
  "door_01": 0
}
FieldValue
head13
model38
tsmode0
timestamp1745286954
splfmt2
data_size12
temperature_0122.514534
temperature_0222.876389
door_010

Specifications

Manufacturer
Radionode
Model
RN320-EX2
Type
Temperature sensor
Measures
temperature, switch state
Battery
2X3.6V Li-SOCL2 (17000mAh) (replaceable)
Operating temperature
-20 … 80 °C
LoRaWAN regions
EU863-870

Connect it to Cloud Studio IoT

  1. 1

    Register the device in your network server

    Add it to The Things Stack, ChirpStack, Actility ThingPark or LORIOT with its DevEUI, JoinEUI and AppKey and the frequency plan of your region.

  2. 2

    Apply the decoder

    In The Things Stack, pick the model from the device repository and its decoder is applied for you. In ChirpStack v4, paste the official decoder as the device profile's JavaScript codec.

  3. 3

    Connect the network server to Cloud Studio IoT

    Set up the integration once per network server; every device registered there then reaches Cloud Studio IoT with its decoded values.

  4. 4

    Build dashboards and alarms

    The decoded fields become device variables for dashboards, alarms by email or SMS, and scheduled reports.

See your Radionode RN320-EX2 on a dashboard

Start a free trial, add the device with its DevEUI and get dashboards and alarms from its next uplink.

Talk to us

Frequently asked questions

Device facts and decoder examples: The Things Network Device Repository (Apache-2.0) · commit 7693223, imported 2026-10-05.