R1520LG, Robustel’s next-generation LoRaWAN gateway, excels in dense indoor environments with robust 4G/3G/2G and WiFi support. Integrated with Chirpstack LoRa network server, it efficiently manages traffic. Featuring 2 x Ethernet, 1 x RS232, and 1 x RS485, along with POE-PD, it’s ideal for smart buildings and industrial IoT, ensuring reliable connectivity.
R1520LG is Robustel’s new and unique LoRaWAN gateway, optimized for high volume in-building applications.The product has been designed to be very cost-effective and extremely versatile – providing a solution for all deployment scenarios including:
RCMS is Robustel’s free router monitoring service that is fully compatible with the R1520LG. It allows customer to see a location overview of their routers quickly and simply on a map. Features such as data usage, signal strength, current network and much more can then be viewed on a per router basis. Over-the-air updates are supported for Firmware, router configuration and Apps serving as essential “insurance” if anything was not quite right during deployment. You can try Robustel’s free router management platform by signing up here: https://rcms-cloud.robustel.net
Key Features
| Hardware System | |
| CPU | i.MX 6ULL, 792Mz |
| RAM | 512 MB DDR3 |
| Flash | 8 GB eMMC |
| Celluar Interface | |
| Number of antennas | 2 |
| Connector | SMA-K |
| SIM | 2 Mini SIM (2FF) |
| Ethernet Interface | |
| Ports | 2 x 10/100 Mbps, LAN or WAN |
| WAN port | Support 802.3 at PD feature on ETH0 |
| Magnet isolation protection | 1 KV |
| LoRa Interface | |
| Number of antennas | 1 |
| Connector | SMA-K |
| Frequency *(In progress) | US915, CN470, EU868, AU915 |
| Max transmitted power | +25 dBm |
| Max sensitivity | -140 dBm |
| Channel Capacity | Supports up to 8 channels receive data simultaneously |
| Serial Interface | |
| Type | 1 x RS232 + 1 x RS485 |
| Connector | 2 x 3-pin 3.5 mm female socket |
| ESD protection | 8 KV air, 4 KV contact |
| Baud rate | 300 bps to 115200 bps |
| Signal | RS232: TXD, RXD, GND; RS485: Data+ (A), Data- (B), GND |
| WIFI Interface | |
| Number of antennas | 1 |
| Connector | RP-SMA-K |
| Standards | 802.11 b/g/n, supports AP and Clients modes |
| Frequency bands | 2.4 GHz |
| Security | WEP, WPA, WPA2 |
| Encryption | 64/128 AES, TKIP |
| Others | |
| Reset button | 1 x RST |
| USB | 1x USB 2.0 (host), Type A, 500 mA |
| LED indicators | 1 x RUN, 1 x MDM, 1 x USR, 1 x RSSI, 1 x WLAN, 1 x LoRa |
| Watchdog | External |
| Software (Basic features of RobustOS Pro)(*In progress) | |
| LoRaWAN protocols | V1.0.4 Class A/Class B/Class C |
| Network protocols | PPP, PPPoE, TCP, UDP, DHCP, ICMP, NAT, HTTP, HTTPs, DNS, ARP, NTP, SMTP, Telnet, VLAN, SSH2, DDNS, etc. |
| VPN tunnel | IPsec, OpenVPN, GRE, L2TP, PPTP, DMVPN, Wireguard |
| 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 Gateway |
| Other | Smart Roaming v2* |
| SDK | |
| Operating System | RobustOS Pro (Based on Debian 11 bullseye) |
| Supported programming language | C, C++, Python, Java, Node.js, etc. (for users to develop own applications) |
| Flash available for SDK | 6 GB |
| RAM available for SDK | 256 MB |
| App Center (Available Apps for RobustOS Pro) | |
| Apps* | Language, RCMS, etc. |
| *Request on demand. For more Apps please visit www.robustel.com. | |
| Power Supply and Consumption | |
| Connector | 4-pin Micro-Fit socket |
| Input voltage | 9 to 60V DC; PoE-PD: 42.5 to 57V DC |
| Power consumption | Idle: 1.5W Data link: 10W (peak) |
| Physical Characteristics | |
| Housing & Weight | Plastic, 238.5g |
| Dimensions | 105 x 90 x 46 mm |
| Installations | Desktop, wall mounting and 35 mm DIN rail mounting |
| Operating temperature | -20 to +60 °C |
| Storage temperature | -40 to +85 °C |
| Relative humidity | 5 to 95% RH |
| Regulatory and Type Approvals | |
| Environmental | RoHS2.0 |
| *See ordering information for details about other certifications | |
RobustOS Pro Software Manual
R1520LG Hardware Manual
R1520LG Datasheet
*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 | LoRa Frequency | Cellular | Frequency Bands* | Country /Region |
Certification |
| R1520LG-470M-AA-4L-A35GL | B137001 | 470-510 MHz | √ | 4G: LTE FDD: B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66 LTE TDD: B34/B38/B39/B40/B41 3G: WCDMA: B1/B2/B4/B5/B6/B8/B19 2G: GSM: B2/B3/B5/B8 |
CN | – |
| R1520LG-868M-AB-4L-A35GL | B137002 | 863-870 MHz | √ | EU | CE | |
| R1520LG-915M-AC-4L-A35GL | B137003 | 915-928 MHz | √ | AU | RCM | |
| R1520LG-902M-AD-4L-A35GL | B137004 | 902-928 MHz | √ | US | FCC | |
| R1520LG-470M-AA-NU | B137005 | 470-510 MHz | – | – | CN | – |
| R1520LG-868M-AB-NU | B137006 | 863-870 MHz | – | – | EU | CE |
| R1520LG-915M-AC-NU | B137007 | 915-928 MHz | – | – | AU | RCM |
| R1520LG-902M-AD-NU | B137008 | 902-928 MHz | – | – | US | FCC |
*For more information about frequency bands in different countries, please contact your Robustel sales representative.