x300 series
Compact Industrial-Grade Serial,

Wi-Fi, and LTE Gateway

The Lantronix X300 Series is a high-performance industrial gateway designed to provide secure, resilient connectivity for serial, Wi-Fi, and LTE applications. Ideal for industrial automation, remote monitoring, and machine-to-machine (M2M) communication, the X300 ensures low-latency data transmission, protocol conversion, and remote manageability in harsh environments.

With its ruggedized design, multi-WAN failover, and support for industrial protocols (Modbus, DNP3, etc.), the X300 is the perfect solution for PLC connectivity, SCADA systems, and legacy equipment modernization.

Percepxion

Lantronix’s Percepxion device management platform provides True Zero-Touch automation by provisioning remotely deployed Lantronix devices without user intervention. Utilizing a full stack approach from data collection through control, Percepxion empowers Lantronix customers to get to market quickly with complete solutions. Analytics, insights, predictions, and automation enable users to focus on business logic and operational efficiency to drive successful outcomes.

Learn more about Percepxion

LEVEL Technical Services

The team at Lantronix cares about your success. Our dedicated technical experts are here to assist with your unique IoT and IT solutions. We continually improve our support organization through customer feedback and data-driven analysis. Our goal at Lantronix is to provide the best overall service, delivering the utmost in customer satisfaction.

Learn more about LEVEL Services

Robust Connectivity

Dual-band Wi-Fi 5 and 4G/LTE with multi-WAN failover for uninterrupted operations. Serial (RS-232/485) and Ethernet ports for seamless integration with PLCs, sensors, and industrial controller

Protocol Conversion & Interoperability

Real-time conversion between Modbus, DNP3, IEC 104, OPC-UA, MQTT, and other industrial protocols. Enables legacy equipment to integrate with modern SCADA, MES, and cloud platforms.

Built-in Security Framework with Lantronix InfiniShield™

Signed firmware, and zone-based firewall to protect against cyber threats. VPN and encryption for secure data transmission. Compliance with FCC, CE, UL, and all recent CRA standards.

Ideal for Mission-Critical Applications

Industrial Automation

PLC and HMI connectivity for real-time monitoring and control.

Protocol conversion to integrate legacy machines with modern SCADA and MES systems.

Utilities & Smart Grid

Remote monitoring of substations, transformers, and energy storage systems.

DNP3 and Modbus support for grid automation and predictive maintenance.

Remote Monitoring & SCADA

Oil & gas, water/wastewater, and environmental monitoring.

Legacy serial equipment modernization with cloud and IoT integration.

Multi-site deployments with centralized management via Percepxion.

Why Choose the X300 Series?

Complete, secure solution for mission-critical IoT and remote monitoring deployments

X300 Series Part Numbers

Lantronix Part #	Name	Description	Order Now
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X300 Wifi Only
X300F202S	X300 Series	Wireless gateway including 1 year of Percepxion IoT Edge solution platform and LEVEL 2 technical services; with antennas and power supply	Contact Us
X303 LTE-M
X303F202S	X300 Series	Worldwide - LTE-M Gateway including 1 year of Percepxion IoT Edge solution platform and LEVEL 2 Technical Services; with antennas and power supply	Contact Us
X304 LTE CAT-1
X304G00AS	X300 Series	USA/Canada - LTE Cat 1 gateway including 1 year of Percepxion IoT Edge solution platforms and LEVEL 2 technical services; with antennas and power supply	Contact Us
X304G000S	X300 Series	Latin America - LTE Cat 1 gateway including 1 year of Percepxion IoT Edge solution platform and LEVEL 2 technical services; with antennas and power supply	Contact Us
X304G002S	X300 Series	EMEA/APAC - LTE Cat 1 gateway including 1 year of Percepxion IoT Edge solution platform and LEVEL 2 technical services; with antennas and power supply	Contact Us
X304G007S	X300 Series	Japan/South Korea - LTE Cat 1 gateway including 1 year of Percepxion IoT Edge solution platform and LEVEL 2 technical services; with antennas and power supply	Contact Us
X304G00CS	X300 Series	China/India/Thailand/Indonesia - LTE Cat 1 gateway including 1 year of Percepxion IoT Edge solution platform and LEVEL 2 technical services; with antennas and power supply	Contact Us
ALL INCLUDE
Percepxion IoT Edge Solution Platform		Percepxion IoT Edge solution platform for managing deployments of one to thousands of sites, including quick-and-easy access to assets and the ability to easily push new configurations and firmware upgrades.
A31M0	X303 Only	Single LTE antenna, adhesive remote antenna with 3000MM RG174 cable, (3) SMA male
A33M0	X304 Only	Three-in-one LTE, (2) LTE+GPS/GLONASS/BD Antenna, 3000MM RG174 cable with (3) SMA male, adhesive mount
A21H0		2.4/5.8GHZ Dipole Antenna for ISM & WLAN, RP-SMA(M)HINGED.
ACC-520-0165-00		Power supply, wall cube, 12VDC 12W, 4 AC plugs, Level 6, with PSE, 1X3 3.0MM latched conn output
Cable
ACC-500-0420-00	Cable	POWER CORD WITH 3-PIN NANO-FIT PLUG; 2.5 A FUSE; TWO 1-METRE-LONG AWG20 STRIPPED WIRES (RED, BLACK) FOR POWER	Contact Us
Din clip
BR475	Din clip	Din clip, single mount, 4¾ U / 1¾ U widths, metal	Contact Us
Antenna
A33M0	Antenna	Three-in-one LTE, 2LTE+GPS/GLONASS/BD Antenna, 3000MM RG174 cable with 3SMA male, adhesive mount	Contact Us
Power Supply
ACC-520-0165-00	Power Supply	Power supply, wall cube, 12VDC 12W, 4 AC plugs, Level 6, with PSE, 1X3 3.0MM latched conn output	Contact Us
Din clip
BR250	Din clip	Din clip, single mount, 4½ U width, mounting bracket, metal	Contact Us
Compatible Accessories
A21H0	Antenna	2.4/5.8GHZ Dipole Antenna for ISM & WLAN, RP-SMA(M)HINGED.	Contact Us
A31M0	Antenna	Single LTE antenna, adhesive remote antenna with 3000MM RG174 cable, SMA male	Contact Us

Specifications Highlights

Cellular

LTE Cat M1 – X303 with 2G fallback mode

LTE Cat1 – X304 with 3G or 2G fallback mode options available

Serial Communication

RS-232 6-signal (Rx, Tx, RTS, CTS, either DSR or DCD, DTR) implementation; via an RJ-45 header

RS-485 half or full duplex, via RJ-45 header

Switchable by software

Ethernet

One LAN port; 10/100BASE-T; via a RJ-45 header fitted with two LEDs

Wi-Fi & Bluetooth Operation

Wi-Fi 5 and Bluetooth/BLE 5.0; via one (X303) or two (X300, X304) RP-SMA antenna connector

VPN & Tunneling Protocols

Wireguard, ZeroTier, OpenVPN client/server/passthrough, PPTP client, L2TP, GRE, IPsec up to 4 channels

SIM

Mini-SIM holder. Optional MFF2 embedded SIM.

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Industries

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Industries

x300 seriesCompact Industrial-Grade Serial,

Wi-Fi, and LTE Gateway

Increase Your Project’s Flexibility and Success Rate

Percepxion

LEVEL Technical Services

X300 Series Part Numbers

Specifications Highlights

Cellular

Serial Communication

Ethernet

Wi-Fi & Bluetooth Operation

VPN & Tunneling Protocols

SIM

Services

Services

Industries

Services

Industries

Software

Industries

x300 series
Compact Industrial-Grade Serial,