Robustel R1520 User Guide
RT056_UG_R1520_v.1.0.3 Dec. 25, 2021 9/159
Chapter 1 Product Overview
1.1 Introduction
The Robustel industrial dual SIM cellular VPN router (R1520) is a rugged cellular router can support 2G, 3G, and 4G
LTE Cat 4 networks. It provides high-speed wireless network bandwidth for devices through wireless connections to
ensure stable wireless network connections.
R1520 is a powerful router developed from RobustOS, a Robustel self-developed and Linux-based operating system
which is designed to be used in Robustel devices. The RobustOS includes basic networking features and protocols
providing customers with a very good customized user experience, which is more diverse, convenient, and practical.
Meanwhile, Robustel offers a Software Development Kit (SDK) for partners and customers to allow additional
customization by using C. It also provides rich Apps to meet fragmented IoT market demands.
1.2 Package Contents
Before installing your R1520 Router, verify the kit contents as following.
Note: The following pictures are for illustration purposes only, not based on their actual sizes.
1 x Robustel R1520 High-speed intelligent LTE router
1 x 2-pin 3.5 mm male terminal block with lock for power supply
1 x 2*4-pin 3.5 mm male terminal block for serial port
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