DragonOS FocalX Detecting Cell Simulators: DIY Kit & Proof of Concept with srsRAN and RayHunter

In this video, I explore the potential of offering a preconfigured kit designed for 2G/3G/4G/5G experimentation. The kit includes a laptop, a LibreSDR (B210-style SDR), an Orbic mobile hotspot, and a 5Ghoul-compatible and exploitable 5G modem. I demonstrate one of many things that can be achieved with this setup and provide guidance for those who want to replicate it using similar hardware.

Here’s what you’ll see in the video:

Configuring srsRAN 4G to authorize the sysmocom SIM inside the Orbic mobile hotspot to connect to a custom srsRAN 4G network.

Loading RayCatcher, a Rust-based tool, onto the Orbic hotspot to detect and analyze cell simulators. https://github.com/EFForg/rayhunter

Demonstrating the Orbic connecting to the network and generating alarms when detecting anomalies in the signal.

This proof-of-concept video emphasizes the importance of understanding the electromagnetic spectrum to protect yourself against potential threats like rogue cell simulators. I explain the precautions I take, such as using Faraday bags and other measures, to ensure compliance with transmission regulations and avoid broadcasting signals unlawfully.

Finally, I reflect on the broader implications of this work: Why does detecting cell simulators matter? It’s about empowering individuals with knowledge and tools to navigate and secure the unseen world of the electromagnetic spectrum.

Watch the video to learn how this kit—and the knowledge it builds—can help you stay one step ahead in an increasingly connected world.

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