# Multipurpose Radio Server (MRS)

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###### By: Zakary Timson
###### Date: September 16, 2025
###### Version: 1.0

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![](https://meshtastic.org/assets/images/lora-topology-2-c80684f1eafdf2a71fbaf26e494fb26d.webp)

> Compact communication and information exchange server on Raspberry Pi for service-denied areas.  
> Ideal for disasters, unserviced environments, long-range tracking, and offline-first operations.

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## Table of Contents
- [Multipurpose Radio Server](#multipurpose-radio-server-mrs)
    - [Description](#description)
        - [Inspiration](#inspiration)
        - [Capabilities](#capabilities)
    - [Manual](#manual)
        - [Setup](docs/setup.md)
        - [Introduction](#introduction) <!-- Home + Settings page -->
        - [Connecting & Wifi](#connecting)
        - [Mesh Network](#mesh-network)
        - [LoRa Radio](#lora-radio)
        - [FileBrowser](#filebrowser)
        - [Desktop Environment](#desktop-environment)
        - Services
            - [AI Assistant](#ai-assistant)
            - [Archive](#archive)
            - [ATAK](#atak)
            - [Maps](docs/maps.md)
            - [Messaging](#messaging)
            - [Pentesting](#pentesting)
            - [SDR](#sdr)
            - [SSH](#ssh)
            - [VPN](#vpn)
    - [Todo](#todo)
    - [License](LICENSE)

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## Description

### Inspiration
- [A.C.I.D](https://www.youtube.com/watch?v=nSrYmkGq9TM)
- [Offline internet](https://www.youtube.com/watch?v=L5RJZmuRJKA)
- [Meshtastic radios](https://morosx.com/ols/products/xtak-lora-mesh)
- [HaLow mesh network](https://www.youtube.com/watch?v=ofR7GFNZzJY)
- [Signal Intelligence](https://www.youtube.com/watch?v=Nam87B2u6bo&t=1942s)

### Capabilities

**Networking**
- 900 MHz **HaLow** / 2.4 GHz / 5 GHz Mesh WiFi using **B.A.T.M.A.N.** (1 km +)
- LoRa radio communication (1-100s of kms)
- Connect to AP with QR code using **dnsmasq, hostapd** 
- Captive portal & device home page + settings page

**Communication**
- Offline & federated text/voice/file chat using **Synapse** and **Element**
- Built-in LoRa **Meshtastic** node (≈2–15 km)
- GPS positioning & offline maps using **gpsd, chrony**
- Track people & logistics with **ATAK**

**Information Archive**
- Offline AI/LLM assistant using **Ollama** and **OpenWebUI**
- Offline Wikipedia, Ghetesburg project & more using **Kiwix**
- File sharing & syncing using **FileBrowser** and **Rclone**
- Remote desktop usig **RDP** and **Apache Guacamole**

**Recon & Security**
- WiFi & Bluetooth reconnaissance with **Bettercap, nmap, masscan** and more
- Red team operations with **aircrack, nikto, Metasploit** and more
- Radio frequency recon using **SDRAngel**
- ADS-B plane tracking with **tar1090**

## License

This project is licensed under the [MIT License](LICENSE).