R5020Le eSIM Router
R5020Le eSIM Router
Industrial 5G Dual-SIM Router with 1x eSIM/eUICC, 1x 2FF SIM, 2x ETH, Serial & GNSS
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.
Features
- GSMA SGP.22 compliant for global IoT provisioning
- MFF2 eSIM supported for zero-touch deployment
- Network redundancy with SIM + eSIM dual backup
- Supports Ethernet, Wi-Fi and 5G/4G internet with auto-failover
- 1 x RS-232/RS-485 ports (software configurable) for connecting industrial and legacy devices
- Fully programmable operating system with a well-documented SDK
- Multiple VPN options available including DMVPN, IPsec, L2TP, and more
- Free cloud management platform (RCMS)
- Robust metal enclosure with a compact design for DIN-rail and wall mounting
- Introduction
- Application
- Specification
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Introduction
The Robustel R5020Le is an industrial-grade 5G router purpose-built for organisations that require flexible global connectivity while maintaining high performance and reliability at the edge. Built on the proven R5020-Lite platform, the R5020Le replaces the secondary physical SIM slot with an embedded MFF2 eSIM with GSMA SGP.22 compliant, enabling a hybrid SIM architecture (1 x SIM + 1 x eSIM) that simplifies international deployment, subscription management, and long-term device lifecycle operations.
Robustel Cloud Manager Service (RCMS) is a cloud-based platform for real-time monitoring and centralized management of Robustel routers and gateways. With Zero-Touch eSIM Provisioning, RCMS allows enterprises to remotely assign and activate eSIM profiles at scale - overcoming the industry limitation where SGP.22 cannot support mass deployment on its own. This capability eliminates manual SIM handling, reduces on-site labour, and accelerates global rollouts.
Unlike traditional dual-SIM routers, the R5020Le introduces a set of advanced eSIM capabilities designed to accelerate global IoT rollout and reduce operational friction:
Global Frequency Band Support: ensuring consistent performance across major regions and simplifying cross-border for OEMs and system integrators.
Robust and Secure eSIM Profile Management: supports remote enable/disable and profile switching, allowing operators and enterprises to optimise connectivity and reduce reliance on physical SIM logistics.
Auto Failsafe Recovery: When profile download or activation fails, the device automatically rolls back to the previous working profile, ensuring continuous connectivity and preventing remote provisioning failures.
Enhanced lifecycle management: eSIM profile rotation reduces dependence on long-term roaming agreements and mitigates SIM-card-swap maintenance tasks.
Available Models
| Model | Supported Frequency Bands | Certifications | Order Code | Package Contents |
|
R5020e-5G-A25GL-B Global |
5G NR NSA: n1/2/3/5/7/8/12/13/14/18/20/25/26/28/29/30/38/40/41/48/66/70/71/75/76/77/78/79 5G NR SA: n1/2/3/5/7/8/12/13/14/18/20/25/26/28/29/30/38/40/41/48/66/70/71/75/76/77/78/79 4G LTE FDD: B1/2/3/4/5/7/8/12/13/14/17/18/19/20/25/26/28/29/30/32/66/71 4G LTE TDD: B34/38/39/40/41/42/43/48 4G LTE LAA: B46 3G: B1/2/4/5/8/19 |
CE*, UKCA* | A006400813 |
1 x Router (B Code: B006400815) 4 x Cellular Antenna 2 x Wi-Fi Antenna 1 x Power Adapter 1 x Wall Mounting Kit |
|
R5020e-5G-A25GL-B Global |
5G NR NSA: n1/2/3/5/7/8/12/13/14/18/20/25/26/28/29/30/38/40/41/48/66/70/71/75/76/77/78/79 5G NR SA: n1/2/3/5/7/8/12/13/14/18/20/25/26/28/29/30/38/40/41/48/66/70/71/75/76/77/78/79 4G LTE FDD: B1/2/3/4/5/7/8/12/13/14/17/18/19/20/25/26/28/29/30/32/66/71 4G LTE TDD: B34/38/39/40/41/42/43/48 4G LTE LAA: B46 3G: B1/2/4/5/8/19 |
CE*, UKCA* | A006400814 |
1 x Router (B Code: B006400815) 1 x Wall Mounting Kit |
Application
Specification
System Architecture
| Operating System | RobustOS |
| CPU | Dual-core MIPS, 880 MHz |
| RAM | 256 MB |
| Flash | 32 MB |
Cellular
| Supported Technologies | 5G, 4G/LTE, 3G, 2G |
| Antennas | 4 (ANT0 + ANT1 + ANT2 + ANT3) |
| Connector | SMA-K |
| SIM |
1 x eSIM/eUICC (MFF2) and 1 x Mini SIM (2FF) SGP.22 eSIM, profile download and removal operations Typically supports up to 8 eSIM profiles |
Ethernet
| Ethernet Ports | 2 x 10/100/1000 Mbps, 2 x LAN by default, configurable 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 (Optional)
| GNSS Antennas | 1 |
| 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 35 mm DIN Rail |
| Operating Temperature |
-20 to +55 °C (normal operation) -25 to +70 °C (extended operation) |
| Storage Temperature | -40 to +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 | 5 MB |
| RAM Available for SDK | 128 MB |
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 |
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