GTR40 M2M 4G Router

ADGT GTR40 is an industrial grade, M2M 4G router designed to provide a high speed LTE 4G mobile broadband Internet connection for remote access and monitoring. For example, the GTR40 router can be used with a 4G Fixed IP SIM Card to enable 4G CCTV Internet access for easy connectivity to the connected CCTV NVR or IP cameras.

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GTR40 is an industrial LTE 4G router designed for reliable remote access 4G mobile broadband connectivity. The ADGT GTR40 router is equipped with two Ethernet ports, dual SIM slots (for SIM failover), IO lines, serial RS-232/RS-485 ports and OpenWrt operating system.

The GTR40 router is designed for industrial, M2M/IoT and commercial applications, including transportation, energy, smart grid, ATM and vending etc. It also provides robust and high-speed wireless access to Internet over LTE (4G) network.

The Linux-based OpenWrt operating system in the GTR40 router allows you to create secure VPN networks and install custom software and thus, can serve as a controller of automated control system.

GTR40 Features

— LTE modem speed up to 150Mbps
— 2 x 10/100Base-TX Ethernet interfaces
— RS-232, RS-485 serial ports
— 2 x SIM card slots
— 1 x USB A (Host/Device)
— 1 x microSD memory card slot
— 4 x I/O lines supporting several operating modes:
— Network services: OpenVPN, PPTP, GRE, IPSec, NAT, Firewall, IPv6, DHCP (Server/Client), TinyProxy, NTP, FTP, SIM manager, etc.
— Modbus-TCP – Modbus RTU/ASCII conversion
— OpenWrt® open-source operating system, providing wide range of capabilities for creating secure VPN networks
— Temperature compensated real-time clock (RTC) providing high timekeeping accuracy
— Power supply voltages: 10V-50V (DC)



Frequency Range LTE B1/B3/B7/B8/B20, UMTS/HSPA+ B1/B5/B8
Rate(DL/UL) 4G LTE: 100 Mbps*/50 Mbps
WCDMA: up to 384 kbps
EDGE class 12: up to 237 kbps
GPRS class 12: up to 85.6 kbps
* no more than 30 Mbps under real conditions
CPU NXP i.MX287 454 MHz
RAM Memory A128 Mb
Flash memory 256 Mb
Source DC 10 ~ 50 V
Consumption 8 W
Current 400 mA (24V)
Connector MicroFit 4-pin
Dimensions 97 x 78 x 36 mm (L x W x H)
Weight 180 gr
Enclosure Aluminium alloy (IP30)
Mounting DIN rail, wall, table rubber feet
Operating temperature -40…+70°C
Warranty 2 years
Relative Humidity up to 90% at 20°C temperature
Average Service Life 10 years
Certifications CE, RoHS
Ethernet 2 x RJ-45 10/100 Mbps
USB 1 x USB2.0 A type (Host/Device)
SIM 2 x mini-SIM
RS-232 1 x DB9-M. Rate: 1200-15200bps. 8N1
RS-485 1 x 2-pin terminal block. Rate: 1200-115200bps. Termination resistor: connected 120 Ohm
IO lines x4. Operating modes: voltage measurement, resistive sensors connection, load control. Max. voltage: 50V (max. measurable voltage: 18V). Max. current (per channel): 60mA
SD card 1 x microSD
Operating System OpenWrt (Linux-based)
Network Services GRE, IPIP, OpenVPN, L2TP, PPTP, PPPoE etc, NAT, MPLS, DHCP (server/client)
Management • LuCI web interface
• command line (SSH)
Protocol Conversion Modbus RTU/ASCII ↔ Modbus TCP
Reliability • dual SIM card slots,
• hardware watchdog timer,
• Multi-WAN
Security IPSec/VPN, Firewall IPRoute, IP/MAC filtering
• G – GPS module with high accuracy time synchronization unit. 1 x SMA(f) connector for GPS antenna
• S – Supercapacitor to provide router backup power supply


If you need GPS functionality then you will need to purchase the GTR40G router model.

This router is compatible with all standard mobile network SIM cards as well as Fixed IP SIM Cards.


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