Robustel R2011-A-4L Cellular LTE router (B070704)
Robustel R2011-A-4L Cellular LTE router (B070704)
Robustel R2011-A-4L is a high-performance industrial LTE Cat.4 router with five Ethernet ports. It also offers dual standby with dual SIM cards and a range of advanced features for IoT or M2M applications. Provides reliable connectivity in IoT, automation and other wireless applications.
Robustel R2011-A-4L Key Features
- Dual-SIM redundancy for continuous cellular network connections
- 4G: LTE FDD: B1/B3/B7/B8/B20/B28 LTE TDD: B38/B40/B41
- 3G: WCDMA: B1/B8
- 2G: GSM: B3/B8
- Link Manager supports Cellular WAN, Ethernet WAN, WLAN WAN link backup and ICMP detection
- WAN – Static/DHCP Client
- RobustOS + SDK + Apps
- IPsec/OpenVPN/GRE/Wireguard VPN capabilities
- Management and maintenance via Web/RCMS Cloud
- Auto reboot via SMS/time schedule
- Dimensions: 127 x 82 x 30 mm
- Robust industrial design (9 to 36 V DC, desktop or wall mounting or DIN rail mounting)
Operating System
The R2011 runs on Robustel’s own Linux based Operating System, RobustOS. Developed entirely in-house, this gives way to a very high standard of technical support and high reliability. Robustel offers a Software Development Kit (SDK) to allow additional customization by using C, C++. It also provides rich Apps to meet fragmented IoT market demands such as:
RobustVPN - Highly flexible hosted VPN service so customers can easily enjoy a “fixed IP router”
Data-Guard - Invaluable failsafe in case of a system failure and runaway data usage
Smart Reboot - SMS tool to push roaming SIMs from a non-working to working state
Smart Roaming - Provides you with device-assisted intelligent network selection for roaming SIMs to improve performance and reduce risk.
Application Scenario

Recommended Applications
- ATM, vending machines
- Oil and gas industry, WiFi at gas stations
- Branches of companies
- Wi-Fi in public transport
- Fast food restaurant
- Digital scoreboards
Package Contains
- Power supply
- 2x WiFi antenna
- 2x LTE antenna
- 3x terminal blocks
Cellular Interface
- Number of antennas 2 (MAIN + AUX) or 1 (MAIN)
- Connector SMA-K
- SIM 2 Mini SIMs (2FF)
Ethernet Interface
- Number of ports 5 x 10/100 Mbps, 5 x LAN or 4 x LAN + 1 x WAN
- WAN port Supports 802.3at PD feature (optional)
- Magnet isolation protection 1.5 KV
WiFi Interface
- Number of antennas 2 (Wi-Fi1 + Wi-Fi2)
- Connector RP-SMA-K
- Standards 802.11 b/g/n, supporting AP and Client modes
- Frequency bands 2.4 GHz
- Security WEP, WPA, WPA2
- Encryption 64/128 AES, TKIP
- Data speed 2 x 2 MIMO, 300 Mbps
Others
- Reset button 1 x RST
- LED indicators 1 x RUN, 1 x MDM, 1 x Wi-Fi, 3 x RSSI
- Built-in Watchdog, Timer
DI/DO
- Type: 1x DI + 1 x DO, wet contact
- Connector: 2 x 2-pin 3.5 mm female socket
- Isolation: 3.75KV DC (opto-isolator)
- Absolute maximum: VDC: “V+” +30V DC (DI), +30V DC (DO)
- Absolute maximum: ADC: 100 mA
- Signal definition: IN, OUT, IGND, OGND
Others
- Reset button: 1 x Tact Switch
- Expansion: 1 x USB2.0 Host; 5V/500mA
- LED indicators: 1 x RUN, 1 x Modem, 1 x USR, 1 x RSSI, 1 x NET, 1 x WIFI
- Built-in: Watchdog
Software (Basic features of RobustOS)
- Network protocols PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, ARP, BGP, RIP, OSPF, NTP, SMTP, Telnet, VLAN, SSH2, DDNS, etc
- VPN tunnel IPsec, OpenVPN, GRE, WireGuard
- Firewall DMZ, anti-DoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control
- Remote management Web, CLI, SMS
- Serial port Transparent, TCP Client/Server, UDP, Modbus RTU Gateway
SDK
- Supported programming language C, C++
- Flash available for SDK 16 MB
- RAM available for SDK 64 MB
Power Supply and Consumption
- Connector 2-pin 3.5 mm female socket
- Input voltage 9 ~ 36 V DC
- Power consumption Idle: 200 mA@12 V, Data link: 580mA (peak)@12 V
Physical Characteristics
- Ingress protection IP30
- Housing & Weight Metal, 350g
- Dimensions 127 x 82 x 30 mm
- Installations Desktop, wall mounting and 35 mm DIN rail mounting
- Operating temperature -35 ~ +75℃
- Storage temperature -40 ~ +85℃
- Relative humidity 5% ~ 95%
Approvals
- Environmental ROHS 2.0*
- EMI EN 55032 Conducted Emission class B, EN 55032 Radiated Emission class B
- EMS IEC 61000-4-2 (ESD) Level 4, IEC 61000-4-3 (RS) Level 2, IEC 61000-4-4 (EFT) Level 2, IEC 61000-4-5 (Surge) Level 2, IEC 61000-4-6 (CS) Level 2, IEC 61000-4-11 (DIP)

Robustel R2011-A-4L Cellular LTE router (B070704)
Robustel R2011-A-4L is a high-performance industrial LTE Cat.4 router with five Ethernet ports. It also offers dual standby with dual SIM cards and a range of advanced features for IoT or M2M applications. Provides reliable connectivity in IoT, automation and other wireless applications.
Robustel R2011-A-4L Key Features
- Dual-SIM redundancy for continuous cellular network connections
- 4G: LTE FDD: B1/B3/B7/B8/B20/B28 LTE TDD: B38/B40/B41
- 3G: WCDMA: B1/B8
- 2G: GSM: B3/B8
- Link Manager supports Cellular WAN, Ethernet WAN, WLAN WAN link backup and ICMP detection
- WAN – Static/DHCP Client
- RobustOS + SDK + Apps
- IPsec/OpenVPN/GRE/Wireguard VPN capabilities
- Management and maintenance via Web/RCMS Cloud
- Auto reboot via SMS/time schedule
- Dimensions: 127 x 82 x 30 mm
- Robust industrial design (9 to 36 V DC, desktop or wall mounting or DIN rail mounting)
Operating System
The R2011 runs on Robustel’s own Linux based Operating System, RobustOS. Developed entirely in-house, this gives way to a very high standard of technical support and high reliability. Robustel offers a Software Development Kit (SDK) to allow additional customization by using C, C++. It also provides rich Apps to meet fragmented IoT market demands such as:
RobustVPN - Highly flexible hosted VPN service so customers can easily enjoy a “fixed IP router”
Data-Guard - Invaluable failsafe in case of a system failure and runaway data usage
Smart Reboot - SMS tool to push roaming SIMs from a non-working to working state
Smart Roaming - Provides you with device-assisted intelligent network selection for roaming SIMs to improve performance and reduce risk.
Application Scenario

Recommended Applications
- ATM, vending machines
- Oil and gas industry, WiFi at gas stations
- Branches of companies
- Wi-Fi in public transport
- Fast food restaurant
- Digital scoreboards
Package Contains
- Power supply
- 2x WiFi antenna
- 2x LTE antenna
- 3x terminal blocks
Cellular Interface
- Number of antennas 2 (MAIN + AUX) or 1 (MAIN)
- Connector SMA-K
- SIM 2 Mini SIMs (2FF)
Ethernet Interface
- Number of ports 5 x 10/100 Mbps, 5 x LAN or 4 x LAN + 1 x WAN
- WAN port Supports 802.3at PD feature (optional)
- Magnet isolation protection 1.5 KV
WiFi Interface
- Number of antennas 2 (Wi-Fi1 + Wi-Fi2)
- Connector RP-SMA-K
- Standards 802.11 b/g/n, supporting AP and Client modes
- Frequency bands 2.4 GHz
- Security WEP, WPA, WPA2
- Encryption 64/128 AES, TKIP
- Data speed 2 x 2 MIMO, 300 Mbps
Others
- Reset button 1 x RST
- LED indicators 1 x RUN, 1 x MDM, 1 x Wi-Fi, 3 x RSSI
- Built-in Watchdog, Timer
DI/DO
- Type: 1x DI + 1 x DO, wet contact
- Connector: 2 x 2-pin 3.5 mm female socket
- Isolation: 3.75KV DC (opto-isolator)
- Absolute maximum: VDC: “V+” +30V DC (DI), +30V DC (DO)
- Absolute maximum: ADC: 100 mA
- Signal definition: IN, OUT, IGND, OGND
Others
- Reset button: 1 x Tact Switch
- Expansion: 1 x USB2.0 Host; 5V/500mA
- LED indicators: 1 x RUN, 1 x Modem, 1 x USR, 1 x RSSI, 1 x NET, 1 x WIFI
- Built-in: Watchdog
Software (Basic features of RobustOS)
- Network protocols PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, ARP, BGP, RIP, OSPF, NTP, SMTP, Telnet, VLAN, SSH2, DDNS, etc
- VPN tunnel IPsec, OpenVPN, GRE, WireGuard
- Firewall DMZ, anti-DoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control
- Remote management Web, CLI, SMS
- Serial port Transparent, TCP Client/Server, UDP, Modbus RTU Gateway
SDK
- Supported programming language C, C++
- Flash available for SDK 16 MB
- RAM available for SDK 64 MB
Power Supply and Consumption
- Connector 2-pin 3.5 mm female socket
- Input voltage 9 ~ 36 V DC
- Power consumption Idle: 200 mA@12 V, Data link: 580mA (peak)@12 V
Physical Characteristics
- Ingress protection IP30
- Housing & Weight Metal, 350g
- Dimensions 127 x 82 x 30 mm
- Installations Desktop, wall mounting and 35 mm DIN rail mounting
- Operating temperature -35 ~ +75℃
- Storage temperature -40 ~ +85℃
- Relative humidity 5% ~ 95%
Approvals
- Environmental ROHS 2.0*
- EMI EN 55032 Conducted Emission class B, EN 55032 Radiated Emission class B
- EMS IEC 61000-4-2 (ESD) Level 4, IEC 61000-4-3 (RS) Level 2, IEC 61000-4-4 (EFT) Level 2, IEC 61000-4-5 (Surge) Level 2, IEC 61000-4-6 (CS) Level 2, IEC 61000-4-11 (DIP)
Understanding Our Returns and Refunds Policy
Easy Returns for Your Convenience
At our company, we believe that shopping should be hassle-free. This is why we have made our returns and refunds process as easy as possible. If you receive a product that doesn’t meet your expectations or is defective, you can return it within 30 days for a full refund. Our team is always here to assist you, so you don’t have to worry about complicated steps when returning an item.
Refund Process Made Simple
Once we receive your returned item, we initiate the refund process immediately. Typically, refunds are processed within 5-7 business days. However, there might be variations due to your bank's policies. We understand that getting your money back promptly is essential, which is why we prioritize quick refunds. Because of this efficiency, customers can trust that their satisfaction is our highest priority.
Customer Support for Returns and Refunds
If you have questions about our returns and refunds, our customer support team is always ready to help. You can reach out via email or phone for assistance with your return. We want you to feel confident when making a purchase, and knowing that we value customer support makes the process smoother. So, don’t hesitate to contact us if you need clarification or help!
