Robustel B006400815 Industrial 5G Dual-SIM Router with 1x eSIM/eUICC, 1x 2FF SIM, 2x ETH, WiFi, Serial & GNSS (R5020Le-A-5G-A25GL)

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Summary
Specifications

The Robustel R5020Le is an industrial 5G router that brings eSIM/eUICC flexibility to high-performance edge deployments. Built on the R5020-Lite platform, it uses a hybrid SIM design—one physical SIM plus an embedded MFF2 eSIM compliant with GSMA SGP.22—so organisations can standardise global rollouts while reducing SIM logistics and long-term operational overhead.

The embedded eSIM enables over-the-air profile download, activation, and switching, making it easier to adapt operator choices as coverage, roaming needs, or pricing change across regions. It also adds practical safeguards for scaled deployments, including secure profile control, automatic rollback to a working profile if provisioning fails, and profile rotation to avoid locking fleets into long-term roaming arrangements or maintenance-heavy SIM swaps.

On the connectivity and management side, the R5020Le supports global 5G/4G/3G bands and 3GPP Release 16, runs RobustOS, and can be managed centrally through Robustel Cloud Manager Service (RCMS) for monitoring, configuration, firmware upgrades, and eSIM profile operations. With flexible WAN design—Ethernet or Wi-Fi as primary with cellular failover, or 5G as the main link—and multiple mounting options to improve signal placement, it’s well suited to distributed sites where performance and uptime matter as much as provisioning efficiency.

eSIM/eUICC Support
Remotely provision and deploy up to 6 eSIM/eUICC Profiles

Global Band Support
Global frequency support on 5G, 4G/LTE, 3G & 2G networks.

INTERFACES
1x WAN + 1x LAN or 2x LAN, 1x RS-232, 1x RS485

OPERATING SYSTEM
RobustOS – Lightweight Linux kernel with full SDK

RCMS ON-BOARD
RCMS Cloud device & eSIM management enabled

Use Cases

Primary or Backup Broadband

Provide high-speed 5G connectivity as primary or failover broadband for enterprises. Global eSIM support simplifies international deployment and operator selection.

SD-WAN 5G Cellular Extension

Add a flexible 5G cellular path to SD-WAN architectures. eSIM enables rapid deployment and remote optimization across regions.

Global Retail Branch Rollouts

Deploy the same 5G router worldwide with centralized eSIM provisioning and management. Reduce logistics complexity and accelerate multi-country rollouts via RCMS.

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.

Mounting Options
Desktop Mount
DIN Rail Mount
Wall Mount

In the box
1 x R5020Le Router
1 x Wall Mounting Kit
4 x Cellular Antenna
2 x Wi-Fi Antenna
1 x Power Adapter

Size
Size (L&W&H) 178 x 185 x 50 mm
Weight 650g

System Architecture

Operating System	RobustOS
CPU	Dual-core MIPS, 880 MHz
RAM	256MB
Flash	32MB

Cellular

Supported Technologies	5G, 4G/LTE, 3G, 2G
Antennas	4 (ANT0 + ANT1 + ANT2 + ANT3)
Connector	SMA-K
SIM	1x eSIM/eUICC (MFF2) and 1 x Mini SIM (2FF) SGP.22 eSIM, profile download and removal operations Typically supports up to 6 eSIM profiles

Ethernet

Ethernet Ports	2 x 10/100/1000 Mbps, 2 x LAN by default, can be configured as 1 x WAN + 1 x LAN
Magnet Isolation Protection	1 KV

Serial Port

Serial Ports	1 x RS-232 or 1 x RS-485 (software configurable)
Connector	1 x 3-pin 3.5 mm female socket
ESD Protection	±8 KV air discharge, ±4 KV contact discharge
Baud Rate	300 bps ~ 115200 bps
Signal Definition	RS-232: TXD, RXD, GND RS-485: Data+ (A), Data- (B), Ground (GND)

Wi-Fi

Wi-Fi Antennas	2 (Wi-Fi 1 + Wi-Fi 2)
Connector	RP-SMA-K
Standards	802.11 a/b/g/n/ac, 2 x 2 MIMO, supporting AP and Client modes
Frequency Bands	2.412 ~ 2.472 GHz (2.4 GHz ISM band) 5.15 ~ 5.825 GHz (5 GHz ISM band)
Security	WPA, WPA2, WEP, WPA3
Encryption	AES, TKIP, WEP64

GNSS/GPS

GNSS Antennas

Connector

SMA-K

GNSS Frequency

GPS: L1, L5

QZSS: L1, L5

Galileo: E1, E5a

GLONASS: L1OF

BDS: B1

Other Interfaces

Reset Button	1 x RST
LED Indicators	1 x RUN, 1 x MDM, 1 x RSSI, 1 x USR, 1 x 2.4G (Wi-Fi), 1 x 5G Wi-Fi
Watchdog	External

Power Supply & Consumption

PSU Connector	2-pin 3.5 mm terminal block with lock OR 4-pin Micro-Fit socket
Input Voltage	12/24 V DC, 12 ~ 36 V DC Reverse polarity protection, surge protection
Power Consumption	Idle: 3 W@12 V Max: 11 W@12 V
Recommended Power Supply	12 V DC/1.5 A power adapter

Physical Characteristics

Ingress Protection	IP30
Housing & Weight	Metal, 475 g
Dimensions	32 x 115 x 136 mm
Installation Options	Desktop, Wall Mount and 35mm DIN Rail
Operating Temperature	-20 – +55 °C (normal operation) -25 – +70 °C (extended operation)
Storage Temperature	-40 – +85 °C
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, L2TP, PPTP, DMVPN
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	5MB
RAM available for SDK	128MB

Regulatory and Type Approvals

Environmental	RoHS 2.0
Testing	IEC 60068-2-6 (Sinusoidal Vibration) IEC 60068-2-27 (Mechanical Shock) IEC 60068-2-64 (Random Vibration)
EMI	EN 55032 Conducted Emission Class B EN 55032 Radiated Emission Class B
EMS	EN 61000-3-2 (Harmonic Current) EN 61000-3-3 (Voltage Flicker) EN 61000-4-2 (ESD) Contact Level 3, Air Level 3 EN 61000-4-3 (RS) Level 3 EN 61000-4-4 (EFT) Power Ports Level 2, Signal Ports Level 3 EN 61000-4-5 (Surge) Level 3 EN 61000-4-6 (CS) Level 3 EN 61000-4-11 (Dips) Class 2