R1500 Industrial IoT Gateway

R1500 Industrial Cellular IoT Gateway
This gateway provides high-speed wireless network bandwidth for device-by-wireless connection and comes with dual-SIM backup to ensure a reliable, always-on connection for your network.

R1500 Datasheet

R1500 User Guide

R1500 Hardware Manual



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The R1500 is the latest industrial IoT gateway from Robustel. Providing high-speed 4G/LTE cellular connectivity for remote industrial devices. The R1500 houses a powerful LTE Cat-4 module inside a compact, rugged, flame retardant casing with 2x RS232 Serial Ports and Dual SIM Card slots for redundancy.



  • RobustOS + SDK + App
  • IPsec/OpenVPN/GRE/L2TP/PPTP/DMVPN and various VPNs
  • Supporting double cards link backup and ICMP detection
  • Supporting SMS, Email, SNMP Trap and RobustLink
  • Event alarms
  • Supporting Modbus RTU to TCP、Modbus Master
  • Supporting TCP client/server, UDP and virtual serial ports
  • Supporting IP Pass-through
  • DHCP server
  • Supporting RobustVPN cloud platform, providing easy and safe remote access for PLC and other industrial devices
  • Supporting RobustLink M2M centralized management platform, real time monitoring device network status and counting device flow
  • Supporting Web、CLI、USB、SMS and RobustLink to upgrade firmware
  • Powerful industrial design (9~36V DC input voltage, supporting desktop placement, wall mount or rail mount)
Cellular Interface
Number of antennas 2 (MAIN + AUX)
Connector SMA-K
SIM 2 (3 V & 1.8 V)
Ethernet Interface
Number of ports 1 x 10/100 Mbps


Serial Interface
Number of ports 2 x RS-232
Connector DB9
Signal TxD, RxD, GND, CTS, RTS, DSR, DTR
Baud rate 300bps to 115200bps
LED indicators 1 x RUN,1 x MDM,1 x USR,3 x RSSI 

Network indicator (link + rate)

Built-in RTC, Watchdog, Timer
App Center (Available Apps for RobustOS)
Apps* Language, RobustLink
*Request on demand. For more Apps please visit www.robustel.com.


Software (Basic features of RobustOS)
Network protocols PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, ARP, NTP, SMTP, Telnet, SSH2, DDNS, etc.
VPN tunnel IPsec, OpenVPN, GRE
Management Web, CLI, SMS
Serial port Transparent, TCP Client/Server, UDP, 

Modbus RTU Gateway

Power Supply and Consumption
Connector 2-pin 3.5 mm
Input voltage 9 to 36V DC
Power consumption Idle: 80 mA@12 V 

Data link: 450 mA (peak) @12 V


Physical Characteristics
Ingress protection IP30
Housing & Wight Plastic, 300 g
Dimensions 118 x 97.5 x 28.5 mm
Installations Desktop, wall mounting and DIN rail mounting


Regulatory CE, Telec, RCM
Environmental RoHS 2.0, WEEE