R1520 Global IoT Router

The R1520 Global IoT router is Robustel’s latest addition to the popular R1520 series. The R1520 router from Robustel is a versatile 4G LTE router with 5 x Ethernet ports, GPS and E-mark certification for in-vehicle use. It is also ideal for Smart Cities and Retail applications.

Achieve seamless connection and intelligent administration for your company by upgrading to the Robustel R1520 Global IoT Router today. To help you with your digital transformation, take advantage of dependable 4G connection, flexible features, and cutting-edge security. The Robustel R1520 Global IoT Router can transform your IoT applications when you connect with us right away.

  • Key Features
  • Specification
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The R1520 Global router is Robustel’s latest addition to the popular R1520 series. The Global variant has been designed for companies that want a simple one size fits all for global 4G deployments. Traditionally, 4G routers have had to be supplied on a ‘per region’ basis due to cost and certification issues but the R1520 Global changes all that with global 4G (LTE) frequencies and a massive investment by Robustel in Global certifications.


Certifications include but are not limited to:
IC – Canada
CCC – China
IMDA – Singapore
NBTC – Thailand
KCC – Korea
CE – Europe
ICASA – South Africa
RCM – Australia & New Zealand
TRA – United Arab Emirates
Various carrier certifications pending + more…
(*In progress)

Please note that some certifications are held by local partners only due to import regulations. Please check with Tech Support or the local regulatory authorities before shipping products into an overseas project.


Robustel Global Approvals Map

To fully understand the challenges and complexities of Global 4G deployments, please download Robustel’s extensive white-paper “Managing and Overcoming the challenges presented by Global 4G/LTE loT Deployements” — available here: https://www.robustel.com/white-paper/managing-and-overcoming-the-challenges-presented-by-global-4g-lte-iot-deployments/


  • Global 4G frequency coverage for all continents
  • Huge investment in Global certifications for all major countries
  • Free Cloud Management platform for easy global monitoring
  • 802.3at compliant POE interface for simple powering
  • E-mark certification for in vehicle use
  • Unique “Smart Roaming” capability for enhanced roaming SIM management
  • Support Dual SIMs & WIFI/Ethernet as WAN
  • RobustVPN – hosted service providing a “fixed IP” router
  • Wireguard/IPsec/OpenVPN/DMVPN supported




Cellular Interface
Number of antennas 2
Connector SMA-K
SIM 2 Mini SIMs (2FF)


Ethernet Interface
Number of ports 5 x 10/100 Mbps, 5 LAN by default, can be configured as 1 WAN + 4 LAN
WAN port Support 802.3af & 802.3at PD feature on ETH0 (optional)
Magnet isolation protection 1.5 KV


WiFi Interface
Number of antennas 2
Connector RP-SMA-K
Standards 802.11b/g/n, supports AP and Client modes
Frequency bands 2.4 GHz
Security WEP, WPA, WPA2
Encryption 64/128 AES, TKIP
Data speed 2*2 MIMO, 300 Mbps


Type 1 x DI + 1 x DO, wet contact
Isolation 3 KV
Socket form 2 * 3-pin 3.5 mm female socket
Level 3 to 30Vdc = HIGH, 0 to 1 Vdc = LOW
Absolute maximum VDC 30 Vdc(DI/DO)
Absolute maximum ADC 10 mA(DI/DO)


Analogue Input
Type 1 X AI (can be configured as voltage type or current type)
Voltage input range 0 to 24 Vdc
Current input range 4-20 mA (current-type input requires external resistance, and finally measured by voltage)
Socket form 2 x 3-pin 3.5 mm female socket
Signal definition AI,AGND


Serial Port
Type 1 x RS232 + 1 x RS485 serial port
Socket form 2 x 4-pin 3.5 mm female socket
Signal definition RS232: RXD, TXD, SGND, RTS, CTS

RS485: Data+ (A), Data- (B), Ground (GND)


Other Interfaces
1 x GPS interface (Optional, depending on the cellular module)


1 x 480Mbps High-speed USB 2.0 interface (Type A, 5V, 500mA)


Reset button 1 x RST
LED indicators 1 x RUN, 1 x MDM, 1 x USR, 1 x RSSI, 1 x Wi-Fi
Built-in Watchdog, RTC


Software (Basic features of RobustOS)
Network protocols


VPN tunnel IPsec, OpenVPN, GRE
Firewall DMZ, anti-DDoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control
Remote Management Web, CLI, SMS


App Center (Available Apps for RobustOS)
Apps* L2TP, PPTP, DMVPN, VRRP, QoS, Captive Protal, WLAN Multi AP, SNMP, Language, RCMS
*Request on demand. For more Apps please visit www.robustel.com.


Supported programming language C, C++
Flash available for SDK 4 MB
RAM available for SDK 64 MB


Power Supply and Consumption
Connector 2-pin 3.5 mm socket with lock
Input Voltage

PoE-PD Voltage

9 ~ 36 VDC

Possibility to power up through ETH0

40 ~ 57 VDC

Power consumption Idle: 250 mA@12 V

Data link: 890 mA (peak) @12 V


Physical Characteristics
Ingress protection IP30
Housing & Weight Plastic, 250 g
Dimensions 105 x 90 x 46 mm
Installations Desktop, wall mounting and 35 mm DIN rail mounting
Operating temperature -25 ~ +70 °C
Storage temperature -40 ~ +85 °C
Relative humidity 5 ~ 95% RH


Regulatory and Type Approvals
Environmental RoHS2.0, WEEE
EMI EN 55032: 2012/AC: 2013 (CE & RE) Class B






IEC 61000-4-2 (ESD) Contact Level 2
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) Level 2
R1520 Global Datasheet


R1520 Global / R1520 User Guide


RobustOS Software Manual


*All Robustel Firmware and RobustOS Apps are now available to download from the App Centre section of RCMS Cloud.

If you don’t already have access to RCMS Cloud you can Sign Up  freely.

*Please contact our Technical Support if you have any trouble finding the resources.

Model PN POE-PD Frequency Bands Certification (* In progress)
R1520-4L Global B056701 4G: LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13B18/B19/


LTE TDD: B38/B39/B40/B41

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

2G: GSM: 850/900/1800/1900MHz


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

* Please note that some certifications are held by local partners only due to import regulations – please check with Tech Support or the local regulatory authorities

before shipping products into an overseas project.

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