What is the primary function of the Linux-Based Industrial IoT Gateway?

The Linux-Based Industrial IoT Gateway connects industrial equipment, PLCs, smart meters, and RS-485 Modbus devices to local Ethernet networks and cloud servers over 4G LTE. Powered by an embedded Linux OS (MT7688AN), it performs protocol translation, local edge processing, data buffering, and secure transmission via MQTT and HTTPS.

Can this gateway connect my existing PLC and Modbus devices to cloud platforms?

Yes. The gateway supports Modbus RTU over RS-485 (connecting up to 30 slave devices) and Modbus TCP/IP. It collects register values and securely publishes data to cloud IoT platforms like AWS IoT Core, Microsoft Azure IoT Hub, ThingsBoard, or custom REST/MQTT servers.

How secure is the Linux IoT Gateway for remote industrial deployments?

The gateway features comprehensive security layers including OpenVPN tunneling, AES 128/256-bit encryption, TLS 1.2/1.3 with HTTPS, WPA-PSK/WPA2-PSK wireless security, role-based access control, and a VAPT-tested firmware architecture.

Does it support Over-the-Air (OTA) remote firmware upgrades?

Yes. The gateway supports OTA firmware updates and remote parameter configuration, allowing engineering teams to patch security updates, modify register polling maps, and deploy new logic without physical site visits.

What are the hardware specifications of the gateway?

The gateway is built on a high-speed MT7688AN processor, 128 MB DDR2 RAM, 32 MB SPI Flash, 16 KB Rx/Tx buffer memory, 1x RS-485 port with 15kV ESD protection, 1x 10/100 Mbps Ethernet port with 2KV isolation, 1x WAN port, and an external SMA antenna interface.

What power input range does the device accept?

The gateway accepts a wide DC voltage range of 5V to 24V DC via a 2-pin industrial terminal block, complete with reverse polarity protection and overvoltage surge suppression.

What industries is this gateway best suited for?

It is widely deployed in DG set monitoring, smart energy management systems (EMS), water treatment SCADA, factory automation, solar inverter monitoring, HVAC BMS integration, and remote cold chain logistics.

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Linux-Based Industrial IoT Gateway

₹10,500.00 + GST

High-performance industrial communication gateway powered by embedded Linux (MT7688AN), engineered for industrial automation, DG monitoring, SCADA integration, and energy management. It enables reliable, secure data bridging between field Modbus RS-485 devices and cloud platforms via 4G LTE and Ethernet.

✓ Edge Intelligence: Embedded Linux with 128 MB RAM for local telemetry processing and Modbus RTU/TCP bridging.
✓ Dual Network Connectivity: 4G LTE (Cat 1/4) + 10/100 Mbps Ethernet for seamless MQTT/HTTPS cloud telemetry.
✓ Industrial Grade: DC 5V–24V input, OpenVPN & TLS encryption, and Made in India reliability.

📞 Call Now Instant Expert Support 🛒 Buy Now Ships Across India

✔ GST Invoice | ✔ 1-Year Warranty | ✔ Made for Industrial Use | ✔ India-Based Support

Core Capabilities of Linux Industrial IoT Gateway

Engineered for high-reliability telemetry in harsh electrical environments, this gateway bridges OT (Operational Technology) field devices to IT (Information Technology) enterprise cloud infrastructure.

🧠 Edge Computing OS

Embedded OpenWrt/Linux environment allows local python/C++ scripts, offline buffering, edge filtering, and custom alarm triggers.

📶 4G Cellular & Dual LAN

Seamless cellular failover with LTE Cat 1/Cat 4, Micro-SIM, and 10/100 Mbps Ethernet LAN/WAN ports for uninterrupted data streaming.

🔄 Modbus RTU/TCP to Cloud

Read up to 30 RS-485 Modbus slaves simultaneously, converts registers to JSON, and publishes directly via lightweight MQTT or HTTPS.

🔒 Secure Remote Tunneling

Integrated OpenVPN client and TLS 1.3 encryption allow secure bi-directional remote PLC programming without public static IP.

☁ Multi-Cloud Integration

Ready-to-use connectors for AWS IoT Core, Microsoft Azure IoT, Google Cloud IoT, ThingsBoard, and custom private MQTT brokers.

🛡 Industrial Toughness

Wide 5V-24V DC input, ESD/Surge suppression, -6°C to +60°C operating rating, and compact panel/DIN-rail mounting enclosure.

Complete Technical Specifications

1. Hardware & System Architecture

Processor (SoC)	MT7688AN High-Performance MIPS Architecture Processor
Operating System	Embedded Linux / OpenWrt Kernel with Custom Industrial Firmware
System Memory (RAM)	128 MB DDR2 High-Speed RAM
Flash Storage	32 MB SPI Flash Architecture (Expandable storage options)
Buffer Memory	16 KB (Rx/Tx) Hardware Packet Buffer for Zero Data Loss
Hardware Watchdog	Integrated hardware watchdog timer for autonomous recovery

2. Connectivity & Communication Interfaces

Serial Port (RS-485)	1 × RS-485 (Half Duplex, 2-Wire, Terminal Block), Supports up to 30 Slaves
Serial Baud Rates	1200 bps to 115200 bps (Configurable Data/Stop/Parity bits)
Ethernet Interface (LAN)	1 × 10/100 Mbps RJ-45 (IEEE 802.3 Compliant) with 2 KV Magnetic Isolation
Ethernet Interface (WAN)	1 × 10/100 Mbps WAN / Second Ethernet Port
Cellular Interface	4G LTE (Cat 1 / Cat 4) with fallback to 3G/2G
SIM Card Slot	1 × Standard Micro SIM (Push-Pull Slot)
Antenna Connector	50Ω SMA Female (External High-Gain LTE Antenna included)
LED Status Indicators	Power, System Heartbeat, 4G LTE Signal Quality, LAN/WAN Link, Serial Tx/Rx

3. Network, Protocols & Security

Fieldbus Protocols	Modbus RTU (Master/Slave), Modbus TCP/IP, Transparent Serial Tunneling
Cloud & IoT Protocols	MQTT (v3.1.1 / v5.0), HTTP, HTTPS REST APIs, WebSockets, CoAP
Network Stack	TCP/IP, UDP, DHCP Client/Server, DNS, NTP, ICMP, Static IP Routing
VPN & Remote Access	OpenVPN (Client/Server Mode), IPsec Tunneling
Data Encryption	AES-128 / AES-256 Encryption, TLS 1.2 / 1.3 with X.509 SSL Certificates
Device Management	Over-the-Air (OTA) Remote Firmware Upgrades, Web GUI Dashboard, Role-Based Access Control

4. Power, Mechanical & Environmental

Input Voltage Range	DC 5V – 24V (Reverse Polarity & Overvoltage Protection)
Power Connector	2-Pin Industrial Pluggable Screw Terminal Block
Power Consumption	Typical: 2.2W \| Peak: 4.5W
Operating Temperature	-6°C to +60°C (Industrial Grade)
Storage Temperature	-20°C to +85°C
Operating Humidity	5% ~ 95% Relative Humidity (Non-condensing)
Enclosure & Mounting	Industrial-grade metal casing with Panel Mount & DIN-Rail brackets

Target Applications & Use Cases

DG Set & Generator Remote Telemetry: Continuously monitors fuel level, coolant temperature, battery voltage, running hours, engine RPM, and emergency trip events. Transmits alerts via MQTT/HTTPS to mobile apps and central dashboards.
Energy Management Systems (EMS) & Solar Plants: Connects to Multi-Function Energy Meters (MFM), solar inverters, and LT/HT panels over RS-485 to log power factor, active/reactive energy, harmonics, and load curves.
Water Treatment & Pumping SCADA: Collects telemetry from flow meters, pH sensors, turbidity analyzers, and level sensors across municipal water networks and industrial STP/ETP plants.
Factory Automation & Machine OEE: Integrates PLCs (Siemens, Delta, Schneider, Mitsubishi, Rockwell) with cloud MES systems for real-time production counting, downtime analysis, and predictive maintenance.
Smart Building Management Systems (BMS): Interlinks HVAC chillers, AHUs, fire alarm panels, and smart lighting into centralized building management controllers.
Cold Chain & Warehouse Monitoring: Real-time temperature and humidity logging with cellular 4G failover to prevent spoilage in pharmaceuticals and food processing.

Why Choose HashStudioz Linux IoT Gateway?

See how HashStudioz Linux IoT Gateway compares against conventional proprietary gateways and basic serial converters:

Scroll horizontally to compare full features & specifications

Feature / Capability	HashStudioz Linux IoT Gateway	Proprietary Black-Box Gateways	Basic Serial to Ethernet Converters
Operating Platform	Open Embedded Linux (MT7688AN)	Closed Proprietary OS	Microcontroller Firmware Only
Edge Computing & Scripts	✔ Full edge compute (Python/C/Scripts)	❌ Limited or No Edge Scripting	❌ No Edge Processing
Cellular 4G LTE Integration	✔ Inbuilt 4G LTE (Cat 1/4) + Ethernet	⚠️ Optional at extra cost	❌ Ethernet Only
Cloud Flexibility	✔ Cloud Agnostic (AWS, Azure, MQTT, REST)	❌ Locked to Vendor's Cloud Platform	⚠️ Raw TCP/UDP Socket Only
Offline Data Buffering	✔ 16 KB HW Buffer + Flash Storage	⚠️ Limited	❌ No Storage (Data Drops on Disconnect)
Secure VPN Tunneling	✔ OpenVPN Client/Server Built-In	⚠️ Requires Costly License	❌ No VPN Support
Price & Local Support	✔ ₹10,500 + Indian Engineering Support	❌ ₹22,000+ with High Renewal Fees	✔ Low Cost (Lacks Gateway Features)

Verified Customer Reviews

Read what leading automation engineers, plant managers, and system integrators say about the Linux-Based Industrial IoT Gateway:

Amitabh Desai (Verified Buyer - Water Treatment SCADA) February 23, 2026

★★★★★

"Installed this gateway in a water treatment plant for SCADA integration. Data reliability and uptime have been excellent. The metal enclosure and DIN-rail mounting make it ideal for industrial control cabinets. Seamless Modbus to MQTT streaming."

Ashok Nair (Verified Buyer - Smart Factory OEM) February 23, 2026

★★★★★

"Strong and dependable IoT gateway. We use it for predictive maintenance data collection in our manufacturing line. It handles multiple RS-485 device connections smoothly and pushes payload directly to AWS IoT Core."

Arvind Iyer (Verified Buyer - Energy Management) February 23, 2026

★★★★★

"We integrated this Linux-Based Industrial IoT Gateway into our energy management system, and it’s been extremely dependable. It handles real-time data acquisition from 24 energy meters smoothly without any packet drops."

Shyam Sundar (Verified Buyer - Mining & Remote Sites) February 23, 2026

★★★★★

"Deployed in a mining site with harsh environmental conditions, and the device hasn’t skipped a beat. The rugged design and stable Linux OS make it ideal for demanding industrial applications. 4G failover is a huge plus."

Frequently Asked Questions (FAQs)

Q1: What is the Linux-Based Industrial IoT Gateway, and how does it work?

A1: The Linux-Based Industrial IoT Gateway is an intelligent edge computing device built on the MT7688AN processor. It acquires data from field sensors, energy meters, and PLCs via RS-485 (Modbus RTU), processes or buffers the data locally, and transmits it to cloud servers or on-premise SCADA systems using 4G LTE or Ethernet over MQTT, HTTPS, or Modbus TCP.

Q2: How many Modbus RS-485 slave devices can be connected to a single gateway?

A2: The built-in RS-485 port supports up to 30 slave devices on a single multi-drop bus line with 15kV ESD protection and configurable polling intervals for each slave address.

Q3: Does the gateway support 4G SIM cards from all Indian telecom providers?

A3: Yes. It includes a standard Micro-SIM slot compatible with major 4G LTE networks across India, including Airtel, Reliance Jio, Vodafone Idea (Vi), and BSNL.

Q4: Can I send data directly to cloud platforms like AWS IoT, Azure, or ThingsBoard?

A4: Yes. The gateway natively supports MQTT (with TLS encryption and authentication), HTTPS POST/GET REST APIs, and WebSockets, making it 100% compatible with AWS IoT Core, Azure IoT Hub, Google Cloud IoT, ThingsBoard, and custom MQTT brokers.

Q5: What happens if the cellular or Ethernet network goes down?

A5: The gateway features local data buffering in its internal memory. In the event of a network outage, data packets are safely timestamped and stored locally, then automatically transmitted to the cloud as soon as network connectivity is restored.

Q6: Does it support remote firmware updates (OTA) without site visits?

A6: Yes. It fully supports Over-the-Air (OTA) remote firmware updates and configuration management, enabling engineers to deploy feature updates, modify Modbus register mappings, and update security certificates remotely.

Q7: What security features are built into the device?

A7: Security features include OpenVPN client/server mode, AES-128/256 encryption, TLS 1.2/1.3 SSL protocols, WPA2 wireless encryption, role-based authentication, and a VAPT-evaluated firmware architecture designed to prevent unauthorized access.

Q8: How do I order evaluation samples or get bulk volume pricing?

A8: You can buy directly online through our marketplace IoTStudioz.com, call our engineering sales desk at +91 97185 17228, or fill out the RFQ form on this page for custom volume quotations.