Moxa

AIG-302 Series

Advanced IIoT gateways with Arm® Cortex™-A7 dual-core 1GHz processor, Azure IoT Edge software, -40 to 70°C operating temperature

AIG-302 Series

Features and Benefits

  • Supports generic MQTT client to facilitate MQTT connections via built-in device SDKs tailored for Azure cloud integration
  • Supports Modbus RTU/ASCII/ TCP Client and TCP Server
  • Supports Azure IoT Edge (LTS version)
  • Built-in network traffic monitoring and diagnostic tool for easy troubleshooting
  • Provides robust OTA function to prevent system failure during software upgrades
  • Equipped with Secure Boot to prevent malicious software-injection attacks
  • LTE Cat. 4 US, EU, and APAC models available
  • Compliance with IEC 62443-4-2 Security Level 2 requirements
  • EN 18031-1 compliant wireless cybersecurity
  • -40 to 70°C operating temperature range

Certifications

  • UL Listed
  • FCC

Introduction

The AIG-302 Series advanced IIoT gateways connect Modbus RTU/ASCII/TCP devices to platforms such as Azure cloud and MQTT. The gateways support the Modbus TCP server mode, enabling simultaneous transmission of data to cloud platforms and your local SCADA system.

Models in this series (4)

AIG-302-T-AZU-LXAIG-302-T-US-AZU-LXAIG-302-T-EU-AZU-LXAIG-302-T-AP-AZU-LX
mPCIe Slot 1 for LTE ModuleUS region LTE module preinstalledEurope region LTE module preinstalledAPAC region LTE module preinstalled
mPCIe Slot 2 for Wi-Fi ModuleReservedReservedReserved
Operating Temperature-40 to 85°C-40 to 70°C-40 to 70°C-40 to 70°C
Add to Quote View Bag Buy from distributors (for USA only)Add to Quote View Bag Buy from distributors (for USA only)Add to Quote View Bag Buy from distributors (for USA only)Add to Quote View Bag Buy from distributors (for USA only)

Specifications

Shown for AIG-302-T-AP-AZU-LX. Per-model differences are listed in the selection grid above.

Computer

CPU
Armv7 Cortex-A7 dual-core 1 GHz
DRAM
2 GB DDR3L
Storage Pre-installed
32 GB eMMC
Pre-installed OS
Moxa Industrial Linux (Debian 11, kernel 5.10.x)
No. of Tags Supported
3000

Computer Interface

Ethernet Ports
Auto-sensing 10/100/1000 Mbps ports (RJ45 connector) x 2
Serial Ports
RS-232/422/485 ports x 2 (software-selectable, DB9 male connector)
CAN Ports
CAN 2.0 A/B x 1 (DB9 male connector)
Digital Input
DIs x 4
Digital Output
DOs x 4
USB
USB 2.0 hosts x 1, type-A connectors
Wi-Fi Antenna Connector
RP-SMA x 2
Cellular Antenna Connector
SMA x 2
GPS Antenna Connector
SMA x 1
Expansion Slots
mPCIe slots x 1
SIM Format
Nano
Number of SIMs
2
Buttons
Reset button Reset to factory default
TPM
TPM v2.0

Ethernet Interface

Magnetic Isolation Protection
1.5 kV (built-in)
10/100/1000BaseT(X) Ports (RJ45 connector)
2

Ethernet Software Features

Industrial Protocols
Modbus TCP Client / Server Generic MQTT Azure IoT Device Azure IoT Edge
Configuration Options
Web Console (HTTPS) RESTful APIs AIG QuickON
Time Management
NTP Client GPS
Security
OpenVPN Client SSH HTTPS/SSL TLS Firewall

Serial Interface

No. of Ports
2
Connector
DB9 male
Bitrate
300 bps to 921.6 kbps
Data Bits
7, 8
Stop Bits
1, 2
Parity
None, Even, Odd, Space, Mark
Flow Control
RTS/CTS, XON/XOFF
Console Port
1 x 4-pin header

Serial Signals

RS-232
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422
Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w
Data+, Data-, GND

Serial Software Features

Industrial Protocols
Modbus RTU/ASCII Master

CAN Interface

No. of Ports
1
Connector
DB9 male
Bitrate
10 to 1000 kbps
Industrial Protocols
CAN 2.0A CAN 2.0B
Signals
CAN_H, CAN_L, CAN_GND, CAN_SHLD, CAN_V+, GND
Isolation
2 kV (built-in)

Digital Inputs

Connector
Spring-type Euroblock terminal
Sensor Type
Wet contact (NPN) Dry contact
Dry Contact
Off: open On: short to GND
Wet Contact (DI to COM)
On: 10 to 30 VDC Off: 0 to 3 VDC
Isolation
3K VDC

Digital Outputs

Connector
Spring-type Euroblock terminal
Current Rating
200 mA per channel
I/O Type
Sink
Voltage
24 VDC nominal, open collector to 30 VDC

Cellular Interface

Cellular Standards
LTE Cat. 4
Band Options (US)
4G: Band 2 (1900 MHz)/ Band 4 (1700 MHz)/ Band 5 (850 MHz)/ Band 12 (700 MHz)/ Band 13 (700 MHz)/ Band 14 (700 MHz)/ Band 66 (1700 MHz)/ Band 71 (600 MHz) 3G: Band 2 (1900 MHz)/ Band 4 (1700 MHz)/ Band 5 (850 MHz) Carrier Approvals: Verizon, AT&T
Band Options (EU)
4G: Band 1 (2100 MHz)/ Band 3 (1800 MHz)/ Band 7 (2600 MHz)/ Band 8 (900 MHz)/ Band 20 (800 MHz)/ Band 28A (700 MHz) 3G: Band 1 (2100 MHz)/ Band 3 (1800 MHz)/ Band 8 (900 MHz)
Band Options (APAC)
4G: Band 1 (2100 MHz)/Band Band 3 (1800 MHz)/ Band 5 (850 MHz)/ Band 8 (900 MHz)/ Band 9 (1800 MHz)/ Band 18 (850 MHz)/Band 19 (850 MHz)/ Band 26 (850 MHz)/ Band 28 (700 MHz) 3G: Band 1 (2100 MHz)/ Band 5 (850 MHz)/ Band 6 (850 MHz)/ Band 8 (900 MHz)/ Band 19 (850 MHz)

GPS Interface

Receiver Types
GPS/GLONASS/BeiDou/Galileo/QZSS
Accuracy
Position: 2.0 m @CEP50
Time to First Fix (TTFF)
Hot start: 1.1 s Warm start: 22.1 s Cold start: 29.9 s
Sensitivity
Cold starts: -145 dBm Acquisition: -147.0 dBm Tracking: -160 dBm
Update Rate
1 Hz

Azure IoT Edge

Versions Supported
v1.5.21
Authentication Methods
Manual / Connection String DPS / Symmetric Encryption DPS / X.509 Certificate DPS / TPM
Azure Direct Methods
Reboot Software Upgrade Remote API Invocation
Azure Module Twin
Device Configuration
Moxa Functions
Custom Payload Message Group

Generic MQTT Client

Versions Supported
v3.1.1 v3.1
QoS Levels
0, 1, 2
Authentication Methods
Username and password
Secure Transmission
TLS 1.0 TLS 1.1 TLS 1.2
Native Capabilities
Keep Alive Retain Message Clean Session Will and Testament
Moxa Functions
Store and Forward Custom Payload Remote API Invocation

Azure IoT Device

Connection Protocols Supported
MQTT MQTT over WebSockets AMQP AMQP over WebSockets
Authentication Methods
Symmetric Key X.509 Certificate
Azure Direct Methods
Reboot Software Upgrade Remote API Invocation

AWS IoT Core

QoS Levels
0,1
Authentication Methods
X.509 Certificate Private Key Trusted Root CA
Native Capabilities
Keep Alive
Moxa Functions
Store and Forward Custom Payload Shadow
Commands Invokable Via Jobs
Reboot Software Upgrade Remote API Invocation

Sparkplug B Client

Versions Supported
v2.2
Node Commands (NCMD)
Next Broker Reboot Rebirth
Moxa Functions
Store and Forward Custom Payload

Modbus RTU/ASCII

Mode
Client (Master)
Functions Supported
1, 2, 3, 4, 5, 6, 15, 16, 23
Max. No. of Commands
256 per port
Max. No of Connected Devices
62

Modbus TCP

Mode
Client/Server
Functions Supported
1, 2, 3, 4, 5, 6, 15, 16, 23
Max. No. of Server Connections
64
Max. No. of Client Connections
4
Max. No. of Commands
3000

LED Indicators

System
Power x 2 User x 1 SIM card indicator x 1
LAN
2 per port (10/100/1000 Mbps)
Wireless Signal Strength
Cellular/Wi-Fi x 6

Power Parameters

No. of Power Inputs
Redundant dual inputs
Input Voltage
12 to 48 VDC
Input Current
1 A @ 12 VDC
Power Consumption
12 W
Power Connector
4-pin terminal block

Reliability

Automatic Reboot Trigger
External WDT (watchdog timer)

Physical Characteristics

Housing
Metal SECC
IP Rating
IP30
Weight
750 g (1.65 lb)
Dimensions
141.5 x 120 x 39 mm (5.7 x 4.72 x 1.54 in)
Installation
DIN-rail mounting Wall mounting (with optional kit)

Environmental Limits

Operating Temperature
-40 to 70°C (-40 to 158°F)
Storage Temperature (package included)
-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity
5 to 95% (non-condensing)
Shock
IEC 60068-2-27
Vibration
2 Grms @ IEC 60068-2-64, random wave, 5 to 500 Hz, 1 hr per axis (without USB devices attached)

Standards and Certifications

EMI
CISPR 32, FCC Part 15B Class A
EMC
EN 55032/35 EN 61000-6-2/-6-4
EMS
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV IEC 61000-4-5 Surge: Power: 1 kV; Signal: 1 kV IEC 61000-4-6 CS: 10 V IEC 61000-4-8 PFMF
Cybersecurity
EN 18031-1
Hazardous Locations
Class I Division 2, ATEX
Safety
UL 62368-1 EN 62368-1
Radio
NCC KC RCM TELEC
Carrier Approvals
AT&T Verizon PTCRB
RED
EN 301 489-1/19/52 EN 301 908-1 EN 303 413 EN 62311
Green Product
RoHS, CRoHS, WEEE

MTBF

Time
1,403,998 hrs
Standards
Telcordia (Bellcore) Standard TR/SR

Warranty

Warranty Period
5 years
Details
See www.moxa.com/warranty

Resources

NameTypeVersionDate
Firmware for AIG-302 Series233.6 MBFirmwarev1.4.0May 08, 2026 May 08, 2026 Release notes
moxa-aig-quickon84.5 MBUtilityv1.2.1Feb 04, 2026 Feb 04, 2026 Release notes
Firmware for AIG-302 Series190.1 MBFirmwarev1.3.0Nov 03, 2025 Nov 03, 2025 Release notes
Firmware for AIG-302 Series60.0 KBFirmwarev1.2.0Nov 03, 2025 Nov 03, 2025 Release notes
AIG QuickON Utility84.8 MBUtilityv1.2.0Oct 21, 2025 Oct 21, 2025 Release notes
AIG QuickON Utility84.0 MBUtilityv1.1.2Nov 14, 2024 Nov 14, 2024 Release notes
Datasheet for AIG-302 Series2.4 MBDatasheetv3.0Jul 29, 2026
Manual for AIG-302 Series8.3 MBManualv2.0Jun 05, 2026
AIG QuickON User Manual2.0 MBManualv1.0Nov 27, 2025
Declaration of Conformity (cybersecurity) for AIG-302 Series207.2 KBDeclarationv1.0Jul 30, 2025
FOSS Statement for QuickON76.0 KBDeclarationv1.0Nov 21, 2024
FOSS Statement for AIG-302 Series2.1 MBDeclarationv1.0Oct 09, 2024
QIG for AIG-302 Series1.2 MBQIGv1.1Sep 04, 2024
Tech Note: The Security Hardening Guide for the AIG-302 Series1.1 MBTech Notev1.0Jun 18, 2024
Declaration of Conformity (EU/UK) for AIG-302 Series356.7 KBDeclarationv1.0Mar 27, 2024

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