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Pirate Radio

by SoniEx2

Pirate Radio is a Fabric mod for Minecraft 1.21.1 that simulates real FM interference, with pirate transmitters players craft and tune in the world.

FabricClient and serverMIT AND CC-BY-4.01.21.1

What it does

Players craft a disposable pirate radio transmitter from a single board computer, wire and a powerbank, then load it with a storage card holding a text message and set its frequency. Placing the transmitter switches it on, and the fm command opens the receiver interface. An electronics trader spawns by default, while server owners can disable it and let players buy the parts manually.

The simulation is built around multiplayer, so many players can share the same interference. It is a fairly simplified but complete real-time FM radio model, using real FM simulation with some practical approximations. The speech is produced by the flite synthesizer compiled to WebAssembly, and the receiver interface is also rendered through WebAssembly. The mod is licensed under MIT AND CC-BY-4.0 and is not open source, but its source code is public. It requires Fabric API and Fabric Language Kotlin, and it is published for 1.21.1 only, with the latest Fabric file dated 2025-03-27.

Key features

  1. Craftable pirate transmitter

    A single board computer, wire and a powerbank combine into a disposable transmitter that carries one message.

  2. Frequency tuning

    A storage card loaded with a message is set to a frequency, so players can pick which signal their receiver catches.

  3. Real-time interference

    The FM model reproduces how stations interfere with each other, and the simulation runs on the client side.

  4. Text-to-speech messages

    Messages are spoken aloud through a speech synthesizer, so received broadcasts can be heard as voice.

Compatibility

Latest build for each game version and loader.

1.21.11.0.6+bc25
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 2

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required
Fabric Language KotlinThis is a mod that enables usage of the Kotlin programming language for Fabric mods.
Required

How it compares

Full comparison

Analog is a server-side only Fabric mod for 1.20.1 – 1.21.1, open source under the MIT License, so players join without installing it. Text To Speech TTS (Standalone) is a client required Fabric mod for 1.21.1 – 1.21.11 that is not open source, and the server can add it optionally. EZWireless is a client and server Fabric mod for 1.21.5 – 1.21.7 under All rights reserved, so it targets newer releases than Pirate Radio.

ModLoadersGame versionsEnvironmentUpdated
Pirate RadioFabric1.21.1Client and server2025-03-27
AnalogFabric1.20.1 – 1.21.1Server-side only2024-08-22
Text To Speech TTS (Standalone)Fabric1.21.1 – 1.21.11Client required, server optional2026-07-26
EZWirelessFabric1.21.5 – 1.21.7Client and server2025-07-02

Questions

Does Pirate Radio need Fabric API?

Yes. Fabric API is required, and Fabric Language Kotlin is required too. Both must be installed next to Pirate Radio.

Does the server need Pirate Radio installed?

Yes. Servers that run it need every player to install it too.

Is the electronics trader always present?

No. The trader spawning is disabled by a setting, and players can then buy the single board computer and other parts manually.

Which loader is supported?

Pirate Radio is published for Fabric only, and its latest file targets 1.21.1.

In the catalog

Pirate Radio is one of 5,392 Social mods on ModsFinder, and one of 4,084 Social mods for Fabric. 32,366 mods support Minecraft 1.21.1.

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What the author says

Have you ever wanted to play with pirate FM radio, FM interference, and in general an FM radio simulator? Then this mod is for you! This mod is a fairly simplified but still complete, real-time FM radio interference simulator, primarily designed for multiplayer (tho the simulation happens on the client - this was…
SoniEx2, on the Modrinth page

Official listing

Owner
SoniEx2
Published
2025-03-16
Updated on Modrinth
2025-03-27
Facts verified
2026-10-15

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