Imagine a farm that can talk to the cloud without a single cable in sight. The Robustel R1520-LG LoRaWAN Gateway with 4G LTE WiFi and LNS makes that vision real. It is a compact gateway that connects LoRaWAN sensors to your network using cellular, Wi-Fi, or Ethernet. Many users struggle with unreliable back-haul, limited range, and the need for many separate devices. This gateway solves those issues in one rugged box, so you can focus on data, not wiring.
Robustel R1520-LG LoRaWAN Gateway with 4G LTE WiFi and LNS
The biggest problem for IoT projects is getting sensor data to the server reliably, especially in remote or mobile sites. When the link fails, you lose visibility and risk costly downtime. This gateway removes that risk by offering multiple back-haul options-4G LTE, 3G/2G, Wi-Fi, and wired Ethernet-so you always have a path to the cloud. Its built-in LoRaWAN Network Server (LNS) and robust OS handle traffic automatically, giving you a clear, hands-free solution.
Usages of Robustel
You can mount this gateway on a rooftop to collect smart-city air-quality sensors, place it in a greenhouse to monitor temperature and humidity, or install it on a delivery truck to track asset locations. It works in industrial plants for equipment health, in agriculture for soil moisture networks, and in remote weather stations where power and connectivity are scarce. The flexible mounting options (desktop, wall, DIN rail) let you fit it into any environment.
Benefits
- Never lose data thanks to dual cellular bands and Wi-Fi backup.
- Save time with an all-in-one LoRaWAN network server built in.
- Reduce hardware costs by replacing separate routers, modems, and servers.
- Deploy quickly with plug-and-play connectors and web-based management.
- Operate in harsh weather thanks to IP30 housing and wide temperature range.
Key Features
- i.MX 6ULL 792 MHz CPU with 512 MB RAM and 8 GB eMMC storage.
- Supports 4G LTE, 3G, 2G cellular networks.
- Two Ethernet ports (1 WAN + 1 LAN or 2 LAN) with optional PoE input.
- 802.11b/g/n Wi-Fi in AP and client modes.
- LoRaWAN frequencies US915, CN470, EU868, AU915 with up to 8 channels.
- +25 dBm transmit power and -140 dBm sensitivity for long range.
- Two Mini-SIM slots for redundancy.
- RS-232 and RS-485 serial ports for legacy devices.
- USB 2.0 host for local configuration.
- IPsec, OpenVPN, GRE, L2TP, PPTP, DMVPN for secure tunnels.
- RCMS, web UI, CLI, and SMS management options.
- SDK with C, C++, Python, Java, Node.js and 6 GB flash for custom apps.
Specifications
| Model Number |
Model Identification |
R1520LG-AB-4L-A35GL |
| System Architecture |
Operating System |
RobustOS Pro |
| |
CPU |
i.MX 6ULL, 792 MHz |
| |
RAM |
512 MB |
| |
Flash |
8 GB eMMC |
| Cellular |
Supported Technologies |
4G/LTE, 3G, 2G |
| |
Antennas |
2 (MAIN + DIV) |
| |
Connector |
SMA-K |
| |
SIM |
2 x Mini SIM (2FF) |
| Ethernet |
Ethernet Ports |
2 x 10/100Mbps (1 x WAN + 1 x LAN or 2 x LAN) |
| |
Magnet Isolation |
1 KV |
| PoE In (Optional) |
PoE Ports |
ETH0 |
| |
PoE Standards |
802.3at PD |
| LoRa |
Antennas / Connector |
1 / SMA-K |
| |
Frequencies |
US915, CN470, EU868, AU915 |
| |
Max Transmitted Power |
+25 dBm |
| |
Max Sensitivity |
-140 dBm |
| |
Channel Capacity |
Supports up to 8 channels simultaneously |
| Serial Port |
Interface |
1 x RS-232 + 1 x RS-485 |
| |
Connector |
2 x 3-pin 3.5 mm female socket |
| |
Baud Rate |
300 bps to 115200 bps |
| |
ESD Protection |
±8 KV air, ±4 KV contact |
| Wi-Fi |
Standards |
802.11b/g/n (AP & Client modes) |
| |
Frequency Bands |
2.412 ~ 2.472 GHz |
| |
Security / Encryption |
WEP, WPA, WPA2 / 64/128 AES, TKIP |
| Other Interfaces |
USB |
1 x USB 2.0 (host), Type A, 5 V, 500 mA |
| |
LED Indicators |
LORA, RUN, MDM, USR, WLAN, RSSI |
| |
Watchdog |
External |
| Power Supply |
Input Voltage |
9 ~ 60 V DC (PoE-PD: 42.5 ~ 57 V DC) |
| |
Power Consumption |
Idle: 1.5 W / Max: 10 W (@12 V) |
| |
Connector |
4-pin Micro-Fit socket |
| Physical |
Ingress Protection |
IP30 |
| |
Housing & Weight |
Metal, 238.5g |
| |
Dimensions |
46 x 90 x 105 mm |
| |
Installation |
Desktop, Wall Mount, 35mm DIN Rail |
| Environmental |
Operating Temp |
-20°C to +60°C |
| |
Storage Temp |
-40°C to +85°C |
| |
Humidity |
5 – 95% RH (non-condensing) |
| Software Features |
LoRaWAN Protocols |
V1.0.4 Class A/B/C |
| |
VPN Tunnels |
IPsec, OpenVPN, GRE, L2TP, PPTP, DMVPN |
| |
Management |
RCMS, Web, CLI, SMS |
| SDK |
Languages |
C, C++, Python, Java, Node.js |
| |
SDK Resources |
6 GB Flash / 256 MB RAM available |
| Compliance |
Environmental |
RoHS 2.0 |
| |
EMI/EMS |
EN 55032 Class B, EN 61000-4 series |
