---
lang: "en"
title: "HUR1821 Multi IO LoRaWAN Module"
sku: "HUR1821"
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brand: "MARCOM S.r.l."
end_of_life: "false"
---

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HUR1821 Multi IO LoRaWAN Module

HUR1821 is a multi IO LoRaWAN module: 2 x 8 channels 5-275V AC-DC, digital opto-coupler output 100mA, 2 x 8 channels 12-275 AC-DC, digital opto-coupler input 60mA. Modbus TCP remote IO device with MQTT and LoRaWAN 868MHz connectivity, 2 x 10/100 T(x) ETH ports.

HUR series Modbus TCP remote I/O devices are designed for robust industrial and infrastructure facilities. HUR series Modbus TCP remote I/O devices have been designed to perform various functions, such as wide temperature range, wide power input range... etc. HUR series Modbus TCP remote I/O devices offer several I/O combinations, which ensure greater flexibility and are compatible with many different applications, making them the perfect choice for creating a cost-effective remote I/O system.

## Technical Specifications:

- Based on STM32L151CxU6Axx Pre-certified to EN 300 220
- Sensitivity up to -138 dBm
- Link Budget up to 156 dB
- Communication Distance Up to 15 km (line of sight)
- Typical communication distance indoors/urban >2 km
- LoraWAN Class Class A, Class C
- Input Range 100 - 240 V AC (120 - 370 V DC), 50 Hz to 60 Hz AC input
- Isolation Fully isolated >4200Vrms, 5mA 1 Min Isolation: Class II
- Metal enclosure, IP 40
- Dimensions 115 x 970 x 126 (w x d x h) mm
- Weight ~700gr
- Storage temperature -40 to 105 °C
- Operating temperature -30 to 70 °C
- Operating humidity 5% to 95% non-condensing

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Source: https://shop.marcomweb.it/en/modbus/hur1821-multi-io-lorawan-module

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.