Robustel B041703 Compact Industrial 4G Router, 2x SIM, 1x Ethernet, RS232 (R1500-4L)

Industrial Cellular IoT Gateway

Please feel free to contact us about this item, and we will recommend an IT Sales and Service Provider in your area.


Resellers: for pricing and to place orders.

In stock email will be sent.
Instock notification already exists.
Order SKU: Supplier Code:

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)

Air Interface : GSM/WCDMA/FDD LTE/TDD LTE

Frequency Bands:

EMEA: B1/B3/B5/B7/B8/B20/B28A; B38/B40/B41, AU: B1/B2/B3/B4/B5/B7/B8/B28; B40

EMEA: B1/B5/B8, AU: B1/B2/B5/B8

EMEA: B3/B8, AU: B2/B3/B5/B8

Operating Temperature : -40 to +75 °C

Storage Temperature : -40 to +85 °C

Relative Humidity : 5 to 95% RH

Cellular Interface
Number of antennas : 2 (MAIN + AUX)
Connector : SMA-K
SIM : 2 (3 V & 1.8 V)
Standards : GSM/WCDMA/FDD LTE/TDD LTE

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


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

Package Contents
Robustel Cellular lot gateway R1500
Terminal block (3.5mm, for power connector)
Quick Start Guide with download link of other documents or tools

Optional Accessories
3G/4G SMA cellular antenna
35 mm DIN rail mounting kit
Serial cable
AC/DC power adapter (12V DC, 1.5 A) bare wire