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High Speed Smart LTE / LTE-A Router. Offering state-of-the-art mobile connectivity for internet of things applications.

Product Feature

  • Supports WWAN, WAN, WLAN link backup and ICMP detection
  • Supports cold backup , warm backup and load balancing
  • RobustOS + SDK + App
  • IPsec/OpenVPN/GRE
  • Ignition sensing (optional)
  • Management and maintenance via Web/CLI/SNMP/RCMS
  • Robust industrial design desktop or wall mounting or DIN rail mounting


The Robustel High Speed Smart LTE /LTE-A Router (R2110) is a rugged cellular router offering state-of-the-art mobile connectivity for internet of things applications.

R2110 is a powerful platform developed based on RobustOS, a Robustel self-developed and Linux-based operating system which is designed to be used in Robustel devices. The RobustOS includes basic networking features and protocols providing customers with excellent user experience. Meanwhile, RobustOS offers Software Development Kit (SDK) allows partners and customers to develop IoT applications by using C, Python or Java. It also provides various Apps to meet fragmented IoT market demands.

Robustel is a leading global industrial IoT/M2M hardware and solution provider. Since its establishment in 2010 in Guangzhou, Robustel has been focusing on designing and manufacturing industrial cellular routers, gateways, modems, cloud platforms and E2E solutions. In order to support global business in more than 100+ countries and regions, Robustel has set up local offices in Germany, Australia, the Netherlands, the UK, Japan and Hong Kong.

Cellular Interface

Number of antennas2 (MAIN + AUX)
SIM2 (3 V & 1.8 V) Standard SIM

Ethernet Interface

LAN port3 x LAN (10/100/1000 Mbps)
WAN portSupport 802.3at PD feature on ETH0
1 x WAN (10/100/1000 Mbps)
Magnet isolation protection1 KV

Wi-Fi Interface (Optional)

Number of antennas2
Standards802.11a/b/g/n/ac 2*2 MIMO, supports AP and Client modes
Frequency bands2.412 – 2.472 GHz (2.4 GHz ISM band)
5.15 – 5.825 GHz (5 GHz ISM band)
SecurityOpen, WPA, WPA2, WEP
EncryptionAES, TKIP, WEP64
Data speed5G: Up to 867Mbps
2.4G: Up to 300Mbps

Bluetooth Interface (Optional)

Number of antennas1
StandardsBLE 5.0 Compatible with BLE 4.2, BLE 4.0


Number of antennas1
GNSS technologyGPS
ConnectorSMA-K with 50 ohms impedance
Tracking sensitivityGPS: greater than -148 dBm
Horizontal position accuracyGPS: 2.5 m

Serial Interfaces

Number of ports1 x RS-232 + 1 x RS-485
Connector2 x 3-pin 3.5 mm female socket
ESD protection±15 KV
Baud rate300bps to 115200bps


Type1x DI + 1 x DO, wet contact
Connector2 x 2-pin 3.5 mm female socket
Isolation3.75KV DC
Absolute maximum VDC“V+” +30V DC (DI), +30V DC (DO)
Absolute maximum ADC100 mA


Reset button1 x Tact Switch
SD1 x Micro SD interface
Expansion1 x USB2.0 Host; 5V/500mA
LED indicators1 x RUN, 1 x Modem, 1 x USR, 1 x RSSI, 1 x NET, 1 x WIFI

Software(Basic features of RobustOS)

Network protocolsPPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, ARP, NTP, SMTP, Telnet, SSH2, DDNS, etc.
VPN tunnelIPsec, OpenVPN, GRE
FirewallDMZ, anti-DoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control
ManagementWeb, CLI, SMS
Serial portTransparent, TCP Client/Server, UDP, Modbus RTU to TCP

App Center

Apps*L2TP, PPTP, DMVPN, VRRP, QoS, Language, RCMS, Bluetooth
*Request on demand. For more Apps please visit

Power Supply and Consumption

Connector3-pin 3.5 mm female socket with lock
Input voltage9 to 36V DC (without Ignition sensing) ;
10 to 30V DC (with Ignition sensing)
Power consumptionIdle: 500 mA@12 V
Data link: 1.3 A (peak) @12 V

Physical Characteristics

Ingress protectionIP30
Housing & WeightAluminum, 500 g
Dimension125 x 100 x 48 mm (device only)
InstallationDesktop, wall mount, DIN-Rail
RegulatoryCE, RCM, Telec, JATE, BQB
ApplicationE-mark (Vehicle)
EnvironmentalRoHS 2.0, WEEE
Name Type Version Release Date
R2110 Datasheet Datasheet V1.0.9 24 July 2020


Router Type LTE Router
Frequency Bands
4G* Global: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/ B25/B26/B28, B38/B39/B40/B41 EMEA: B1/ B3/B7/B8/B20/B28A; JP: B1/B3/B8 /B18/B19/B26; B41 CN: B1/B3/B5/B8; B38/B39/B40/B41
3G Global: B1/B2/B4/B5/B6/ B8/B19 EMEA: B1/B8 JP: B1/B6/B8/B19 CN: B1/B5/B8; B34/B39, BC0
2G Global: B2/B3/B5/B8 EMEA/CN: B3/B8
Operating Temperature Normal operation: -20 to +55 °C Extended operation: -25 to +70 °C
Storage Temperature -40 to +85 °C
Relative Humidity 5 to 95% RH


Router Type LTE-A Router
Frequency Bands
4G* APAC/EMEA: B1/B3/B5/B7/B8/B18/B19/B20/B26/B28A/B28B; B38/B39/B40/B41 NA:B2/B4/B5/B7/B12/B13
3G APAC/EMEA: B1/B3/B5/B6/B8, B34/B39 NA: B2/B4/B5
2G APAC/EMEA: B3/B8 NA: B2/B3/B5/B8
Operating Temperature Normal operation: -20 to +55 °C Extended operation: -25 to +70 °C
Storage Temperature -40 to +85 °C
Relative Humidity 5 to 95% RH

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