Robustel R1520-LG
LoRaWAN gateway with 4G/LTE, Wi-Fi and integrated LNS.
The Robustel R1520LG is an industrial LoRaWAN gateway engineered for building-scale and plant deployments. It combines 4G/LTE cellular and Wi-Fi backhaul with PoE-PD power, letting you place the gateway where RF performance is best.
Deploy with your preferred architecture: connect to external LNS platforms via UDP, LoRa Basics™ Station, or LORIOT. Alternatively run the embedded ChirpStack server for full on-device control and send data straight to AWS or Azure using the Edge2Cloud ChirpStack connector with built-in buffering.
Two Ethernet ports (WAN/LAN), dual-SIM, and RS-232/RS-485 simplify integration with existing controllers and BMS/SCADA networks.
Based on Debian Linux, the R1520LG can also host applications and when paired with Edge2Cloud Modbus, aggregate wired and LoRa sensors at the edge. Fleet operations are streamlined through RCMS Device Management and RobustVPN allows secure remote access from anywhere in the world.
LNS INTEGRATION
Support for UDP, LoRa Basics™ Station, LORIOT and an Internal Chirpstack LNS.
LoRaWAN BACKHAUL
Add Dual-SIM redundant cellular and Wi-Fi back-haul to your LoRaWAN Network.
Edge2Cloud READY
Seamlessly integrate wired and wireless sensors with the cloud via Robustel Edge2Cloud.
OPERATING SYSTEM
RobustOS Pro – Full Linux Debian Operating System for hosting IoT applications.
RCMS ON-BOARD
RCMS Cloud device management enabled for enhanced scalability.
R1520-LG Product Overview Video
Example R1520-LG Use Cases
Smart Building Enablement

Monitor IAQ, temperature, occupancy and sub-metering to cut HVAC costs. PoE-PD enables optimal placement; use integrated ChirpStack or connect to your preferred LNS.
Utility Submetering

Collect and aggregate LoRa data from water, gas and electricity meters. LTE/Wi-Fi backhaul with local buffering ensures reliable readings and straightforward BMS/SCADA or cloud integration.
Cold-Chain Monitoring

Monitor temperature and humidity across fridges, freezers and vehicles. Get deviation alerts, buffer data during outages, and forward records to compliance systems via your choice of LNS.
Looking for more use cases?
With millions of Robustel devices deployed across more than 100 countries, it’s impossible to capture every use case above. Explore the links below to discover some of the exciting and innovative ways our technology is making an impact worldwide.
This Device is RCMS Ready
RCMS is a cloud-based IoT device management platform that gives you real-time visibility across your entire Robustel fleet. So you can troubleshoot, update, and optimize performance from anywhere at anytime, without sending engineers to site.
Product Mounting Options
Desktop Mount

DIN Rail Mount

Wall Mount

System Architecture
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Operating System 760_1f2b0b-9c> |
RobustOS Pro 760_0bc84b-7c> |
|
CPU 760_57ec8c-fe> |
i.MX 6ULL, 792 MHz 760_b4f415-ae> |
|
RAM 760_a33f2a-11> |
512MB 760_e62b1a-bf> |
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Flash 760_ecff96-80> |
8 GB eMMC 760_a6ef47-3c> |
Cellular
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Supported Technologies 760_5cf090-a0> |
4G/LTE, 3G, 2G 760_205444-23> |
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Antennas 760_a470ef-b0> |
2 (MAIN + DIV) 760_c117f6-ea> |
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Connector 760_e8bd6d-8b> |
SMA-K 760_62f007-19> |
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SIM 760_16cfa1-d2> |
2 x Mini SIM (2FF) 760_75e316-05> |
Ethernet
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Ethernet Ports 760_95f4d1-e7> |
2 x 10/100Mbps – 1 x WAN + 1 x LAN or 2 x LAN (Default) 760_a13467-7f> |
|
Magnet Isolation Protection 760_e7272a-99> |
1 KV 760_1e5c9c-05> |
PoE In (Optional)
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PoE Ports 760_eeeb5c-ac> |
ETH0 760_456834-df> |
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PoE Standards 760_483e2c-d6> |
802.3at PD 760_ad9059-f5> |
LoRa
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Antennas 760_e42294-1f> |
1 760_e04d3d-f8> |
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Connector 760_6037f8-9b> |
SMA-K 760_e85dbc-65> |
|
Frequencies 760_ecec90-f8> |
US915 |
|
Max transmitted power 760_c665e2-7c> |
+25 dBm 760_dd1ca6-0f> |
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Max sensitivity 760_626084-d6> |
-140 dBm 760_46b288-82> |
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Channel capacity 760_76351d-1a> |
Supports up to 8 channels receive data simultaneously 760_b5fc43-2d> |
Serial Port
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Serial Ports 760_547527-d5> |
1 x RS-232 + 1 x RS-485 760_77e389-52> |
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Connector 760_2120f3-d8> |
2 x 3-pin 3.5 mm female socket 760_f6249e-6c> |
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ESD Protection 760_acd62f-6c> |
±8 KV air discharge, ±4 KV contact discharge 760_d05dbc-85> |
|
Baud Rate 760_3da2c3-70> |
300 bps to 115200 bps 760_406e12-c0> |
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Signal Definition 760_ab5f4e-54> |
RS-232: TXD, RXD, GND |
Wi-Fi
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Wi-Fi Antennas 760_184dbe-c4> |
1 760_ea4177-a2> |
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Connector 760_2b76a8-3a> |
RP-SMA-K 760_522d19-ff> |
|
Standards 760_5300d6-c7> |
802.11b/g/n, supporting AP and Client modes 760_e71368-67> |
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Frequency Bands 760_693a23-28> |
2.412 ~ 2.472 GHz (2.4 GHz ISM band) 760_90c3c4-72> |
|
Security 760_7d34e3-3e> |
WEP, WPA, WPA2 760_f678ef-1e> |
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Encryption 760_0d0a75-c6> |
64/128 AES, TKIP 760_b7731e-e2> |
Other Interfaces
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Reset Button 760_de1b62-c5> |
1 x RST 760_44fd08-0b> |
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LED Indicators 760_ada49d-a0> |
1 x LORA, 1 x RUN, 1 x MDM, 1 x USR, 1 x WLAN, 1 x RSSI 760_5a8a09-02> |
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Watchdog 760_fba1ce-c1> |
External 760_592830-17> |
|
USB 760_6ab818-8d> |
1 x USB 2.0 (host), Type A, 5 V, 500 mA 760_102a4f-3e> |
Power Supply & Consumption
|
PSU Connector 760_e9b1b6-bb> |
4-pin Micro-Fit socket 760_88e404-a0> |
|
Input Voltage 760_fd340a-5b> |
12/24/48 V DC, 9 ~ 60 V DC |
|
Power Consumption 760_1c7b78-64> |
Idle: 1.5 W@12 V |
|
Recommended Power Supply 760_22bf66-e8> |
12 V DC/1.5 A power adapter 760_66a413-a7> |
Physical Characteristics
|
Ingress Protection 760_69c08b-16> |
IP30 760_ab1551-34> |
|
Housing & Weight 760_3e9f29-81> |
Metal, 238.5g 760_0b08e9-f2> |
|
Dimensions 760_2ffb30-cc> |
46 x 90 x 105 mm 760_25b24e-0b> |
|
Installation Options 760_8f18f3-04> |
Desktop, Wall Mount and 35mm DIN Rail 760_61f1e4-f5> |
|
Operating Temperature 760_8bde9c-f8> |
-20 – +60°C 760_ecfd43-db> |
|
Storage Temperature 760_43edfc-b7> |
-40 – +85°C 760_db516e-6c> |
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Relative Humidity 760_3565c7-f7> |
5 – 95% RH (non-condensing) 760_5317a2-ac> |
Software Features
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LoRaWAN Protocols 760_0a804a-08> |
V1.0.4 Class A/Class B/Class C 760_8055a2-73> |
|
Network Protocols 760_ad7ae3-20> |
PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, NTP, SMTP, Telnet, ARP, VLAN, SSH2, DDNS, etc. 760_1c588c-4a> |
|
VPN Tunnels 760_cd6253-6c> |
IPsec, OpenVPN, GRE, L2TP, PPTP, DMVPN 760_f9c5d5-b0> |
|
Firewalls 760_9bffa0-4c> |
DMZ, anti-DDoS, Filtering (IP/Domain name/MAC address), Port Mapping, Access Control 760_bec66b-cd> |
|
Remote Management 760_de898d-53> |
RCMS, Web, CLI, SMS 760_db4c38-e5> |
|
Serial Port Protocols 760_678a11-96> |
Transparent, TCP Client/Server, UDP, Modbus RTU to TCP 760_c22e24-15> |
|
SIM Management 760_d3e1fb-94> |
Smart Roaming 760_d99999-b3> |
|
Optional Apps 760_f01c56-57> |
L2TP, PPTP, DMVPN, VRRP, QoS, SNMP, Language, RCMS, Dynamic Route, Captive Portal, Modbus Master, TR069, Edge2Cloud, etc. 760_767f1f-81> |
Software Development Kit (SDK)
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Supported Programming Languages 760_f35aa3-73> |
C, C++, Python, Java, Node.js, etc. (for users to develop own applications) 760_52494d-ca> |
|
Flash available for SDK 760_080f2d-a8> |
6GB 760_c4b0f3-fb> |
|
RAM available for SDK 760_1d48f5-ee> |
256MB 760_5d844f-5c> |
Regulatory and Type Approvals
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Environmental 760_f62340-1e> |
RoHS 2.0 760_167fd2-c5> |
|
EMI 760_06fcbb-4d> |
EN 55032 Conducted Emission Class B |
|
EMS 760_8bf17e-9d> |
EN 61000-4-2 (ESD) Contact Level 2, Air Level 3 |
Available Models
|
Model 760_619d1d-38> |
Supported Frequency Bands 760_bbdb61-91> |
Supported LoRa Frequency 760_092556-8c> |
Certifications 760_1aeec1-31> |
Order Code 760_49dde8-c6> |
Package Contents 760_cd7e61-76> |
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R1520LG-AB-4L-A35GL |
4G LTE FDD: B1/2/3/4/5/7/8/12/13/18/19/ 20/25/26/28/66 |
863 ~ 870 MHz 760_0d164a-8f> |
CE |
A013700011 760_96b60e-c1> |
1 x R1520LG Gateway (B Code: B137002) |
|
R1520LG-AB-4L-A35GL |
4G LTE FDD: B1/2/3/4/5/7/8/12/13/18/19/ 20/25/26/28/66 |
863 ~ 870 MHz 760_eb17f0-2d> |
CE |
A013700004 760_68e1d3-5a> |
1 x R1520LG Gateway (B Code: B137002) 2 x Cellular Antenna 1 x Wi-Fi Antenna 1 x LoRa Antenna 1 x Power Plug Converter 1 x Wall Mounting Kit 760_1a0873-c7> |
|
R1520LG-AC-4L-A35GL |
4G LTE FDD: B1/2/3/4/5/7/8/12/13/18/19/ 20/25/26/28/66 |
915 ~ 928 MHz 760_10e08f-37> |
RCM |
A013700012 760_1d0d33-fd> |
1 x R1520LG Gateway (B Code: B137003) 1 x Wall Mounting Kit 760_7efb4a-2e> |
|
R1520LG-AC-4L-A35GL |
4G LTE FDD: B1/2/3/4/5/7/8/12/13/18/19/ 20/25/26/28/66 |
915 ~ 928 MHz 760_defe8c-72> |
RCM |
A013700005 760_c87646-5e> |
1 x R1520LG Gateway (B Code: B137003) 2 x Cellular Antenna 1 x Wi-Fi Antenna 1 x LoRa Antenna 1 x Power Plug Converter 1 x Wall Mounting Kit 760_cd6408-04> |
|
R1520LG-AD-4L-A35GL |
4G LTE FDD: B1/2/3/4/5/7/8/12/13/18/19/ 20/25/26/28/66 |
902 ~ 928 MHz 760_d817b9-db> |
FCC, ICC |
A013700013 760_12d205-e5> |
1 x R1520LG Gateway (B Code: B137004) 1 x Wall Mounting Kit 760_6f9122-3b> |
|
R1520LG-AD-4L-A35GL |
4G LTE FDD: B1/2/3/4/5/7/8/12/13/18/19/ 20/25/26/28/66 |
902 ~ 928 MHz 760_76f702-79> |
FCC, ICC |
A013700006 760_d4694d-7b> |
1 x R1520LG Gateway (B Code: B137004) 2 x Cellular Antenna 1 x Wi-Fi Antenna 1 x LoRa Antenna 1 x Power Plug Converter 1 x Wall Mounting Kit 760_7083d1-56> |
NOTE:
1. For more information about regional & carrier specific variants please contact us
2. * Denotes Certification in Progress
R1520-LG Downloads
Please note that all product downloads are now located on the Robustel Knowledge Base (https://support.robustel.com) the buttons below will take you to the relevant sections for each product.
Product Documentation
Firmware, Software & Applications
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