E4A's quad-band industrial IoT gateway for sensor monitoring

Industrial IoT gateway with LTE, LoRa, and Wi-Fi connectivity options

GTW-200 rugged industrial IoT gateway mounted on DIN rail

Industrial IoT Gateway – Quad Band

GTW-200

Category: Uncategorized

The GTW-200 is E4A’s advanced industrial IoT gateway, purpose-built to deliver seamless edge-to-cloud communication for modern automation and monitoring systems. It integrates 900 MHz LoRa and 2.4 GHz BLE5 for reliable edge connectivity, while Wi-Fi, LTE, and ethernet provide flexible cloud interfaces. Designed as a versatile wireless gateway, the GTW-200 enables scalable, secure, and high-performance IoT deployments across diverse industrial environments.

As a rugged industrial gateway, the GTW-200 bridges remote sensors, controllers, and enterprise systems even in areas without corporate LAN coverage. Functioning as a bluetooth gateway, it ensures dependable communication with nearby sensor networks and relays data to the cloud through LTE or ethernet backhaul. Ideal for power generation, mining, forestry, agriculture, utilities, and construction. GTW-200 empowers organizations to achieve continuous monitoring, intelligent control, and data-driven decision-making across distributed sites.

Brochure

Technical Specifications of the Quad Band IoT Gateway

AC/DC Adapter	12VDC @ 2A (24W)
DC Input Jack	5.5 mm OD, 2.5 mm ID centre pin positive
Power over Ethernet	PoE+, IEEE 802.3at, Mode A and B
USB-C	USB Type-C / USB 3.0 PD Sink, 15 W
Typical Power Consumption	2.1 W (Bluetooth, LCD, Ethernet Active)

Operating Temperature	-20ºC to +60ºC (supplied by PoE+ or USB-C) 0ºC to +40ºC (supplied by AC adaptor)
Operating Humidity	20-85% (operating and storage)
Altitude	2000m
Ingress Protection Rating	IP30
Pollution Degree	2

Relay Outputs	30VDC/2A, 60VDC/0.9A IEC 61131-2 Type 1, Type 3
Digital Inputs	IEC 61131-2 Type 1, Type 3 (x2)
Current Input	4mA to 20mA (x2)
Voltage Input	±10VDC (x2)
Resolution	24-bit resolution
Temperature Measurement	-20ºC to +60ºC (±0.5ºC accuracy)
Humidity Measurement	20-85% relative humidity (±3.5% accuracy)
Acceleration Measurement	6-axis accelerometer
Ambient Light Detection	16-bit ambient light sensor

Housing Material	ABS plastic
Physical Dimensions	Height: 100mm / 3.9 inches Width: 54.5 mm / 2.1 inches Depth: 170 mm / 6.7 inches
Weight	550g
Mounting	Universal DIN rail 35mm width Magnetic mount

Device Level Communication

Wireless Module	2.4GHz Bluetooth 5.0 transceiver LoRa 900MHz
Communication Range	300m line of sight (for Bluetooth)
Communication Interval	User programmable
Output Power	Up to +5dBm with temp. compensation
Receiver Sensitivity	-105dBm, 125kbps

Cloud Level Communication

Wireless Module	802.11b /g/n Wi-Fi Module LTE Cat 1 2G/3G/4G
Wired Network	AES 128 symmetric encryption
Telemetry Protocol	MQTT v5.0 over TCP-IP
Encryption	RSA 2048 encryption for key exchange

User Interface

OLED	Graphic LCD Display Module White OLED – I 2.7″ (68.58mm) 128 x 64 Pixel Resolution
Push Buttons	6 Function Keys 7 keys for menu navigation
LED	6 status LED

System Interface

USB-C	Gateway configuration
RS-232	Custom serial communication integration
10-Pin Terminal Header	Analog and Digital Inputs, Relay Outputs
SD Card	Firmware upgrade
SIM Card	Cloud communication over LTE

FCC	2AXVKGTW02
Industry Canada	26661-GTW02
Safety	UL 61010-1 3rd Edition: 2023 CSA C22.2 No. 61010-1-12 UL 61010-2-030 Ed. 2: 2018 CSA C22.2 No. 61010-2-030:18

System Overview

End-to-End IoT System Architecture

The Internet of Things gateway securely and reliably transmits data from sensors to the cloud, forming the core of an end-to-end IoT system.

Bluetooth 5 IoT Sensors for Real-Time Data Collection

BLE 5 sensors send data to the bluetooth gateway with low latency and low power, enabling reliable, efficient wireless monitoring in industrial settings.

Multi-Band industrial Gateway for Unified Communication

The MQTT enabled IoT Gateway enables seamless edge-to-cloud connectivity with 900 MHz LoRa and 2.4 GHz BLE 5 for Edge, and Wi-Fi and LTE for Cloud – delivering efficient, flexible, and scalable communication for complex automation systems.

MQTT Protocol for Efficient Data Transmission

Using the MQTT protocol, the industrial IoT gateway enables secure, reliable, and fast edge-to-cloud communication—ideal for Industrial and Environmental IoT Monitoring and Control Systems.

Real-Time Analytics and Monitoring Dashboards

Data transmitted by the internet of things gateway is shown on real-time dashboards for analytics and insights. Also, this bluetooth gateway ensures precise, seamless data acquisition across the IoT network.

Intelligent Alerts and Automated Decision-Making

It enables analytics, predictive maintenance, and automated decision making – enhancing the industrial IoT gateway’s role in industrial IoT applications.

Key Features of the Quad Band IoT Gateway

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Gateway sensors:

Industrial gateway includes sensors for temperature, humidity, and acceleration, enabling real-time monitoring through the wireless gateway.

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Connectivity & Communication:

The wireless gateway supports BLE5, LoRa, Wi-Fi, and LTE for seamless edge-to-cloud connectivity. With data encryption and secure TCP/IP, it ensures reliable and protected data transmission.

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Microcontrollers & Processing:

Equipped with 32-bit Arm Cortex-M4F MCUs, the bluetooth gateway ensures fast processing, while the Internet of Things gateway manages complex data efficiently.

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Power & Circuit Protection:

The MQTT IoT gateway features PoE, multi-rail power management, and multiple protections, making it a highly resilient industrial IoT gateway.

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Inputs/Outputs & Mounting:

With multiple ports, SD/SIM slots, and flexible mounting, the indusrtial gateway supports easy installation and scalable industrial applications.

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Special Features:

The industrial IoT gateway features internal memory, QR code identification, and secure logging, enabling real-time monitoring and remote management as a reliable MQTT IoT gateway.