Robustel are pleased to announce their first 5G Industrial IoT router the R5020 offering support for global 5G, 4G and 3G bands.


Robustel R52020 5G Router Highlights:

  • Global 5G/4G/3G Cellular Coverage
  • 4 Ethernet Ports
  • Wi-Fi
  • WAN Failover
  • Industry Standard VPN Support
  • RS232 & RS485 Serial Interfaces
  • Digital I/O


With its on-board smarts, compact size and a competitive price point the R5020 5G Router is the perfect solution for In-vehicle Applications, Fixed-Line Replacement and 5G Failover.  The R52020 router is ideal for use with 5G Fixed IP SIM Cards for remote monitoring and management applications.

R5020 5G Router Specification


Cellular Interface
Number of antennas 4 (ANT0 + ANT1 + ANT2 + ANT3)
Connector SMA-K
SIM 2 (3 V & 1.8 V) Standard SIM;
Number of antennas 2 (ANT1 + ANT2, Multiplexing cellular antenna interface)
Connector SMA-K
GNSS technology GPS/GLONASS/BeiDou/Galileo
Horizontal position accuracy < 2m
Ethernet Interface
Number of ports 4 x 10/100/1000 Mbps, 4 LAN by default, can be configured as 1 WAN + 3 LANSupport 802.3at PD feature on ETH0 (optional)
Magnet isolation protection 1 KV
WiFi Interface
Number of antennas 2 (WiFi1 + WiFi2)
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 WPA, WPA2, WEP
Encryption AES, TKIP, WEP64
Data speed 5G: Up to 867Mbps2.4G: Up to 300Mbps
Serial Interface
Number of ports 1 x RS-232 + 1 x RS-485
Connector 2 x 5-pin 3.5 mm female socket
ESD protection ±8 KV
Baud rate 300bps to 115200bps
Signal definition TXD, RXD, GND (RS-232)Data+ (A), Data- (B), ground (GND) (RS-485)
Type 1x DI + 1 x DO, wet contact
Connector 2 x 5-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
Reset button 1 x Tactile 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, NTP, SMTP, Telnet, SSH2, DDNS, etc.
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
Others Smart Reboot, Data Guard, Smart Roaming, etc.
Supported programming languages C, C++, Linux Shell scripts
Flash available for SDK 5MB
RAM available for SDK 256MB
App Center (Available Apps for RobustOS)
Apps* L2TP, PPTP, DMVPN, VRRP, QoS, SNMP, Language, RCMS, Dynamic route, Captive Portal, Modbus Master, TR069
*Request on demand. For more Apps please visit
Power Supply and Consumption
Connector 3-pin 3.5 mm female socket with lock
Input voltage 9 to 36V DC (without Ignition sensing) ;
10 to 30V DC (with Ignition sensing)
Power consumption Idle: 500 mA@12 VData link: 1.2 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 -25 to +70 °C
Storage Temperature -40 to +85 °C
Relative Humidity 5 to 95% RH
Regulatory CE*, RCM*
Application E-Mark*
Environmental RoHS2.0*, WEEE*
*in plan



1 review for Robustel R5020 5G Router

  1. 5 out of 5

    Tom Crozier

    Great value router compared to other manufacturers such as Cradlepoint. Bit tricky to get used to the interface but easy after setting up a few. Was super quick connection.

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