Your Best Partner For Automotive, Computer & Electronic Products

Home About us Products News Technical Info Contact



M302-L / M302-LG

Industrial 4G LTE Router

M302-L: 4 x LANs, 2 x SIM Card Slots, -20 ~ +70°C, 1 x RS232 (Console Port) 

M302-LG: 4 x LANs, 1 x GPS, 2 x SIM Card Slots, -20 ~ +70°C, 1 x RS232 (Console Port)  


The M302-L / M302-LG series are industrial-grade 4G LTE Cellular Routers with 4-port 10/100 Mbps Ethernet interfaces for mission-critical cellular communications. Featured with powerful network protocols and VPN tunnels, M302-L / M302-LG series Industrial 4G LTE Cellular Routers provide secure and reliable applications for mobile, M2M, and Industrial Internet of Things (IIoT) deployments.

To fulfill the market demand, our M302-L / M302-LG series Industrial 4G LTE Cellular Routers are built with hardened industrial components, approving severe HALT (Highly Accelerated Life Test) certification and wide operation rage from -20 to 70°C for harsh environments. The M302-L / M302-LG series provide Dual SIM redundancy for seamless wireless connectivity. The M302-LG model is equipped with GPS function and displays accurate the routers position for quickly managing existing devices. With the user-friendly interface, the M302-L and the M302-LG enable fast and easy configuration to reduce complicated settings.

Enhancing machine and machine communications efficiently for industrial networking, the M302-L / M302-LG series Industrial 4G LTE Cellular Routers are highly suitable and cost-effective for your industrial solutions.


  • Provide 4-port 10/100 Mbps Ethernet interfaces
  • Support multi-band connectivity with FDD LTE/ TDD LTE/ WCDMA/ GSM/ LTE Cat4
  • Built-in dual SIM for network redundancy
  • Equipped with GPS for quickly and easily deploying your devices (M302-LG model)
  • Integrated dual detachable antenna against radio interference
  • LED indicators for connection and data transmission status
  • Industrial rated from -20 to +70°C for use in harsh environments
  • Metal housing with IP40 industrial grade protection
  • IPv6/IPv4 dual stack and all applications are IPv6 ready
  • Enable powerful network protocols with MQTT and SNTP
  • Enhance security and encryption for authentication and transmission
  • Web-based user-friendly interface for management and configuration


Cellular Interface

Management Software               

·         Standards: (Please see ordering information for optional band)

o    4G : FDD LTE, TDD LTE

o    3G : WCDMA

o    2G : GSM/EDGE

o    GNSS: GPS (For M301-LG model)

·         LTE Data Rate: Cat 4, 150Mbps (DL), 50Mbps (UL)

·         Web GUI for remote and local management, CLI

·         Dual Image firmware upgrade by Web GUI

·         Syslog monitor 

·         SNMP, TR069

·         Remote management via SSH v2, HTTPS

·         Local management via Telnet, SSH v2, HTTP/HTTPS

Interface & I/O Interface 


·         High performance 528 MHz CPU with 512 Mbytes of DDR3 memory

·         2 x SIM Card Slots

·         4 x LAN 10/100 Mbps Ethernet ports 

·         Reset Button

·         Console: 1 x RS232 (9-pin Sub-D)

·         2 x SMA connectors for detachable LTE antenna

·         1 x SMA connector for detachable GPS antenna (M302-LG)

·         Network Protocols:

IPv4, IPv6, IPv4/IPv6 dual stack, DHCP server and client, SNTP, DNS Proxy, VRRP, OSPF, Message Queue Telemetry Transport (MQTT Broker), BGP

·         Routing/Firewall:

NAT, Virtual Server, DMZ, MAC Filter, URL Filter, IP Filter, Static Routing and RIP-1/2

·         VPN:

OpenVPN, IPSec (3DES, AES128, AES196, AES256, MD5, SHA-1, SHA256), GRE, PPTP, L2TP

·         Wireless Connectivity:

Two SIM for failover/ roaming over/ back up
Two SIM data usage control

·         Others:

·         Alarm:
SMS, VPN/WAN Disconnect, SNMP Trap, E-mail

Physical Characteristics

Operating Environment

·         EnclosureAluminum Case

·         Housing : IP40 protection

·         Dimensions (W x H x D)60 x 110 x 106 mm

·         InstallationDIN Rail (Default) or Wall Mount (Optional)

·         Operating Temperature: -20 ~ +70°C

·         Storage Temperature: -40 ~ +85°C

·         Ambient Relative Humidity: 10 ~ 95% (non-condensing)

·         Humidity: 0 ~ 95% (non-condensing)

LED Display

 Standards and Certifications

·         1 x System status LED (Green)

·         1 x VPN status LED (Green)

·         1 x SIM1 status LED (Green)

·         1 x SIM2 status LED (Green)

·         Ethernet status LEDs (Green for LINK/ACT, Yellow for SPEED)

·         2 x Mobile connection strength LEDs (Green)

·         EMCCE, FCC

·         EMIEN 55032 Class A, FCC Part 15 Subpart B Class A

·         EMSEN 55024 / EN 61000-4-2 (ESD) Level 3 / EN 61000-4-3 (RS) Level 3 / EN 61000-4-4 (EFT) Level 4 / EN 61000-4-5 (Surge) Level 3 / EN 61000-4-6 (CS) Level 3 / EN 61000-4-8 (PFMF) Level 4 / EN 61000-4-11 /EN 61000-6-2 (Industrial) / EN 61000-6-4 (Industrial) 

·         Rail TrafficEN50121-4

·         VibrationIEC60068-2-6

·         Safety : EN60950-1

·         Highly Accelerated Life Test (HALT)

Power Supply

 MTBF (mean time between failures)

·         Power Consumption7 Watts(Max)

·         Power Input10 ~ 32V DC


·         M302-L / M302-LG: 148,930 hrs (MIL-HDBK-217-FN2)




M302-L / M302-LG Datasheet


Ace Asia Co., Ltd.   2019 All rights reserved