Robustel R1511e

Compact Industrial 4G/LTE Router with 1x eSIM/eUICC, 2x ETH & Serial RS232 OR RS485

The Robustel R1511e is a compact industrial router supporting global LTE frequencies, designed to connect both Ethernet and serial equipment using a fully embedded eSIM/eUICC. Built on the proven R1511 platform, it uses an embedded MFF2 eSIM that supports the GSMA SGP.22 standard, letting you remotely download, activate, and switch operator profiles over the air to adapt coverage, roaming, and tariffs without site visits or SIM swaps. Advanced eSIM features further reduce operational risk and friction, including secure profile enable/disable and switching, automatic failsafe rollback to the last working profile if provisioning fails, and profile rotation that supports better long-term lifecycle management.

On the connectivity side, two Fast-Ethernet ports (configurable as LAN/WAN or dual LAN) plus an optional RS-232 or RS-485 interface enable direct connection to PLCs, meters, and legacy controllers. A built-in Modbus RTU to TCP gateway and transparent TCP/UDP modes simplify serial-to-IP integration without requiring changes to upstream applications, while optional Wi-Fi (AP/Client) and automatic failover support flexible backhaul designs across 4G/3G/2G, Ethernet, or Wi-Fi.

At scale, Robustel Cloud Manager Service (RCMS) provides real-time monitoring and centralized management for configuration, updates, and eSIM profile operations across fleets.

eSIM/eUICC Support

Remotely provision and deploy up to 6 eSIM/eUICC Profiles

Global Band Support

Global frequency support on 4G/LTE, 3G & 2G networks.

INTERFACES

1x WAN, 1x LAN or 2x LAN,
1x RS-232 OR RS-485

OPERATING SYSTEM

RobustOS – Lightweight Linux kernel with full SDK

RCMS ON-BOARD

RCMS Cloud device & eSIM management enabled

Example R1511e Use Cases

Legacy Serial Asset Support

Enable cellular connectivity for legacy serial devices without hardware replacement. eSIM allows remote provisioning, while RCMS provides centralized monitoring and management.

Industrial Telemetry

Collect data from serial-connected sensors and controllers and transmit it securely over cellular networks. Remote configuration minimizes deployment and maintenance costs.

Environmental Monitoring

Support continuous data transmission for environmental and utility monitoring projects. eSIM eliminates physical SIM handling and enables scalable remote management.

Looking for more use cases?


With millions of Robustel devices deployed across more than 100 countries, itโ€™s impossible to capture every use case above. Explore the links below to discover some of the exciting and innovative ways our technology is making an impact worldwide.

This Device is RCMS Ready


RCMS is a cloud-based IoT device management platform that gives you real-time visibility across your entire Robustel fleet. So you can troubleshoot, update, and optimize performance from anywhere at anytime, without sending engineers to site.

Product Mounting Options

Desktop Mount

DIN Rail Mount

Wall Mount

System Architecture

Operating System

RobustOS

CPU

MIPS, 650 MHz

RAM

128MB

Flash

16MB

Cellular

Supported Technologies

4G/LTE, 3G, 2G

Antennas

2 (MAIN + DIV)

Connector

SMA-K

SIM

1x eSIM/eUICC (MFF2)
SGP.22 eSIM, profile download and removal operations
Typically supports up to 6 eSIM profiles

Ethernet

Ethernet Ports

2 x 10/100 Mbps, 2 x LAN or 1 x LAN + 1 x WAN

Magnet Isolation Protection

1.5 KV

Serial Port

Serial Ports

1 x RS-232 OR 1 x RS-485 (Hardware configuration)

Connector

3-pin 3.5 mm female socket

Baud Rate

300 bps ~ 115200 bps

Wi-Fi

Wi-Fi Antennas

2 (1 x external antenna + 1 x PCB antenna)

Connector

RP-SMA-K

Standards

802.11 b/g/n, supporting AP and Client modes

Frequency Bands

2.412 โ€“ 2.472 GHz (2.4 GHz ISM band)

Security

WEP, WPA, WPA2, WPA3

Encryption

64/128 AES, TKIP

Other Interfaces

Reset Button

1 x RST

LED Indicators

1 x RUN, 1 x MDM, 1 x USR, 1 x RSSI, 1 x WLAN

Watchdog

Built-in

Power Supply & Consumption

PSU Connector

2-pin 3.5 mm female socket

Input Voltage

12/24 V DC, 9 ~ 36 V DC

Reverse polarity protection, surge protection

Power Consumption

Idle: 1.5 W@12 V
Max: 6 W@12 V

Recommended Power Supply

12 V DC/1.0 A power adapter

Physical Characteristics

Ingress Protection

IP30

Housing & Weight

Plastic, 150g

Dimensions

31.5 x 91.5 x 91.5 mm

Installation Options

Desktop, Wall Mount and 35mm DIN Rail

Operating Temperature

-25 – +75 ยฐC

Storage Temperature

-40 – +85 ยฐC

Relative Humidity

5 – 95% RH (non-condensing)

Software Features

Network Protocols

PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, NTP, SMTP, Telnet, ARP, VLAN, SSH2, DDNS, etc.

VPN Tunnels

IPsec, OpenVPN, GRE, WireGuard

Firewalls

DMZ, anti-DDoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control

Remote Management

RCMS, Web, CLI, SMS

Serial Port Protocols

Transparent, TCP Client/Server, UDP, Modbus RTU to TCP

SIM Management

Smart Roaming

Optional Apps

L2TP, PPTP, DMVPN, VRRP, QoS, SNMP, Language, RCMS, Dynamic Route, Captive Portal, Modbus Master, TR069, Edge2Cloud, etc.

Software Development Kit (SDK)

Supported Programming Languages

C, C++

Flash available for SDK

4MB

RAM available for SDK

64MB

Regulatory and Type Approvals

Environmental

RoHS 2.0, WEEE

EMI

EN 55032 Conducted Emission Class B
EN 55032 Radiated Emission Class B

EMS

EN 61000-4-2 (ESD) Contact Level 2, Air Level 3
EN 61000-4-3 (RS) Level 2
EN 61000-4-4 (EFT) Level 2
EN 61000-4-5 (Surge) Level 3
EN 61000-4-6 (CS) Level 2

Available Models

Model

Supported Frequency Bands

Certifications

Order Code

Package Contents

R1511e

Ordering Information Coming Soon

Ordering Information Coming Soon

Ordering Information Coming Soon

Ordering Information Coming Soon

NOTE:
1. For more information about regional & carrier specific variants please contact us

R1511e Downloads

Please note that all product downloads are now located on the Robustel Knowledge Base (https://support.robustel.com) the buttons below will take you to the relevant sections for each product.

Product Documentation


Firmware, Software & Applications

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