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Simple RadioMinecraft mod for 1.21.4

This mod adds a simple radio you can use to communicate with your friends while far away!

client and servernewest supported release 1.21.4TechnologyUtilityEquipmentGame Mechanics
Latest version
1.21.1-4.6.7.10
Minecraft
1.18.2 to 1.21.4
Java
Java 21+
Loaders
NeoForge, Forge, Fabric
Licence
GPL-3.0-only
Downloads
2.2M
Updated
6 d ago
Available on
Modrinth
Space NodeOur hosting

Host Simple Radio servers

One click and Simple Radio is installed with the right loader, on hardware built for it.

  • 1.21.4
  • NeoForge
  • Forge
  • Fabric
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version Simple Radio declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.21.4NeoForge, Forge, Fabric21+declared3 Dec 2024
1.21.3Fabric, NeoForge, Forge21+declared23 Oct 2024
1.21.2Forge, NeoForge, Fabric21+declared22 Oct 2024
1.21.1Forge, NeoForge, Fabric21+declared8 Aug 2024
1.21Forge, NeoForge, Fabric21+declared13 Jun 2024
1.20.4Forge, NeoForge, Fabric17+declared7 Dec 2023
1.20.3Fabric, Forge, NeoForge17+declared4 Dec 2023
1.20.2NeoForge, Forge, Fabric17+declared20 Sept 2023
1.20.1Fabric, NeoForge, Forge17+declared12 Jun 2023
1.20Forge, NeoForge, Fabric17+declared2 Jun 2023
1.19.2NeoForge, Forge, Fabric17+declared5 Aug 2022
1.19.1NeoForge, Forge, Fabric17+declared27 Jul 2022
1.19Fabric, NeoForge, Forge17+declared7 Jun 2022
1.18.2Forge, Fabric, NeoForge17+declared28 Feb 2022

Download

From Simple Radio’s own host. Nothing is re-hosted here.

For Minecraft 1.21.4

Choose the loader you use before downloading.

  • NeoForge

    1.21.1-4.6.7.10 · 27 Oct 2026 · simpleradio-neoforge-1.21.1-4.6.7.10.jar

    Get NeoForge

  • Fabric, NeoForge

    1.21.1-4.5.7.9 · 19 Jun 2026

    Multiple loaders are listed; verify the file before downloading.

    Choose file on publisher ↗

Most recently published release

1.21.1-4.6.7.10release27 Oct 2026

simpleradio-neoforge-1.21.1-4.6.7.10.jar · 1.0 MB · for 1.21.4, 1.21.3, 1.21.2, 1.21.1, 1.21 · NeoForge

Download this release
9fb856067a56…
Older versions16

Dependencies

What Simple Radiodeclares it needs, from the author’s own release metadata. A required one has to be installed alongside it or it will not load.

Simple Voice ChatRequired. A working voice chat in Minecraft!LexiconfigRequired. This is a config API that aims to provide many integrations alongside other libraries, and to be as easy as possible to use, for both developers and users alike.CreateOptional. Aesthetic Technology that empowers the PlayerValkyrien SkiesOptional. Physics in MinecraftVoice Chat InteractionOptional. Voice chat skulk sensor activation and warden detection

Frequently asked

Does Simple Radio work on Minecraft 1.21.4?

Yes. 1.21.4 is the newest Minecraft version Simple Radio declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Simple Radio support?

Everything the author has declared, from 1.18.2 up to 1.21.4. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install Simple Radio on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Simple Radio support?

NeoForge, Forge, Fabric. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Simple Radio?

Among the supported Minecraft releases above, the highest recorded requirement is Java 21 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What does Simple Radio need to run?

It declares Simple Voice Chat and Lexiconfig as required, so those have to be installed alongside it or it will not load. Each one is linked in the dependencies section above.

What licence is Simple Radio under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Simple Radio?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Simple Radio safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

GeckoLibA 3D animation library for entities, blocks, items, armor, and more!Cloth Config API (Fabric/Forge/NeoForge)Config Screen API for MinecraftJourneyMapReal-time map used for mapping in-game or your browser as you explore.Architectury APIAn intermediary api aimed to ease developing multiplatform mods.Jade 🔍Shows information about what you are looking at. (Hwyla/WAILA fork for Minecraft 1.16+)Collective🎓 Collective is a shared library with common code for all of Serilum's mods.

Used by

1 project lists Simple Radio as a required dependency.

Simple FrequencyA data pack addon for Simple Radio that lets you change the frequency and modulation of tunable items on the fly using trigger commands

Details from Modrinth, where the author last updated it on 27 Oct 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .