R2110 High Speed Smart LTE / LTE-A Router

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

  • Key Features
  • Specification
  • Downloads
  • Model

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.


Key Features

  • 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


Cellular Interface
Number of antennas 2 (MAIN + AUX)
Connector SMA-K
SIM 2 Mini SIM (2FF)
Ethernet Interface
LAN port 3 x LAN (10/100/1000 Mbps)
WAN port Support 802.3at PD feature on ETH0
1 x WAN (10/100/1000 Mbps)
Magnet isolation protection 1 KV
WiFi Interface
Number of antennas 2
Connector RP-SMA-K
Standards 802.11a/b/g/n/ac 2*2 MIMO, supports 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 Open, WPA, WPA2, WEP
Encryption AES, TKIP, WEP64
Data speed 5G: Up to 867Mbps
2.4G: Up to 300Mbps
Bluetooth Interface (Optional)
Number of antennas 1
Connector RP-SMA-K
Standards BLE 5.0 Compatible with BLE 4.2, BLE 4.0
GPS (Optional)
Number of antennas 1
GNSS technology GPS
Connector SMA-K with 50 ohms impedance
Tracking sensitivity GPS: greater than -148 dBm
Horizontal position accuracy GPS: 2.5 m




Serial Interface
Number of ports 1 x RS-232 + 1 x RS-485
Connector 2 x 3-pin 3.5 mm female socket
ESD protection ±15 KV
Baud rate 300bps to 115200bps


Type 1x DI + 1 x DO, wet contact
Connector 2 x 2-pin 3.5 mm female socket
Isolation 3.75KV DC
Absolute maximum VDC “V+” +30V DC (DI), +30V DC (DO)
Absolute maximum ADC 100 mA
Reset button 1 x RST
SD 1 x Micro SD interface
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


VPN tunnel IPsec, OpenVPN, GRE
Firewall DMZ, anti-DoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control
Management Web, CLI, SMS
Serial port Transparent, TCP Client/Server, UDP, Modbus RTU to TCP
App Center (Available Apps for RobustOS)
Apps* L2TP, PPTP, DMVPN, VRRP, QoS, SNMP, Language, RCMS, Bluetooth, Dynamic Route, Data Guard
*Request on demand. For more Apps please visit www.robustel.com.
Power Supply and Consumption
Connector 3-pin 3.5 mm female socket with lock
Input voltage 9 to 36V DC (POE-PD)
10 to 30V DC (ACC)
Power consumption Idle: 500 mA@12 V
Data link: 1.3 A (peak) @12 V


Physical Characteristics
Ingress protection IP30
Housing & Weight Aluminum, 500 g
Dimension 125 x 100 x 48 mm
Installations Desktop, wall mounting and DIN rail mounting
Operating temperature Normal operation: -20 ~ +55 °C

Extended operation: -25 ~ +70 °C

Storage temperature -40 ~ +85 °C
Relative humidity 5 ~ 95% RH


Regulatory CE, RCM, Telec, JATE, BQB
Carrier Telstra
Application E-mark (Vehicle)
Environmental RoHS 2.0, WEEE
Model R2110-4L  
Router Type LTE Router LTE-A 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

APAC/EMEA: B1/B3/B5/B7/B8/B18/B19/B20/B26/B28A/B28B;



3G Global: B1/B2/B4/B5/B6/ B8/B19


JP: B1/B6/B8/B19

CN: B1/B5/B8; B34/B39, BC0

APAC/EMEA: B1/B3/B5/B6/B8, B34/B39

NA: B2/B4/B5

2G Global: B2/B3/B5/B8



NA: B2/B3/B5/B8

Operating Temperature Normal operation: -20 to +55 °C

Extended operation: -25 to +70 °C

Normal operation: -20 to +55 °C

Extended operation: -25 to +70 °C

Storage Temperature -40 to +85 °C -40 to +85 °C
Relative Humidity 5 to 95% RH 5 to 95% RH

*For more information about frequency bands in different countries, please contact your Robustel sales representative.

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