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ATS MiniRadio + appConnection & basics3 min read

How to enable Bluetooth on the ATS Mini

Bluetooth control on the ATS Mini needs firmware 2.34 or newer and is off by default. How to update the radio, switch on Ad hoc mode and connect.

Bluetooth control is not something every ATS Mini can do out of the box. It arrived in firmware 2.34, so a radio still running older firmware has no Bluetooth control at all, and on newer firmware it stays off until you switch it on. Getting it working takes two steps: update the firmware if you need to, then set Bluetooth to Ad hoc on the radio.

Step 1: check your firmware

The quickest check is on the radio: open Settings. If there is a Bluetooth entry, the firmware is recent enough and you can skip to step 3. To see the exact version, connect over USB with a data-capable USB-C cable and read it in the status panel. Firmware older than 2.34 answers over USB without any setting on the radio; newer firmware needs USB Port → Ad hoc first.

Step 2: update the firmware

The firmware installer on this site writes a release to the radio over USB, straight from the browser. It reads the PSRAM type off the chip, so it can pick the right build for your board, and it offers to back up the current image first. Installing firmware walks through the whole process. Bluetooth has also improved since it first appeared: release 2.43 made remote control over Bluetooth more reliable, so take a current release rather than exactly 2.34.

Step 3: switch on Ad hoc mode

On the radio, open the menu and go to Settings → Bluetooth. The options are:

  • Off is the default. The radio does not offer Bluetooth control.
  • Ad hoc exposes the remote control protocol over Bluetooth LE. This is the mode the app needs.
  • HID is for Bluetooth remotes and keyboards. The radio looks for such a device itself, and the app cannot connect in this mode.
  • Unpair All clears the saved Bluetooth bonds and switches Bluetooth back to Off.

Step 4: connect from the browser

  1. Open the app in Chrome, Edge or Opera on a computer, or in Chrome on Android. Safari and Firefox do not implement Web Bluetooth.
  2. Choose the Bluetooth transport and click Connect.
  3. Pick your radio in the browser’s device chooser and confirm.

Everything works as it does over USB, with one exception worth knowing: a screenshot takes about 30 seconds over Bluetooth, against a second or two on a cable. In return the radio runs on battery, which keeps USB noise out of its audio. The USB and Bluetooth comparison has the details.

If it does not work

  • No Bluetooth entry in the menu: the firmware is older than 2.34. Go back to step 2.
  • The radio does not appear in the chooser: check that the setting says Ad hoc, not HID, and that Bluetooth is on in your computer or phone.
  • The radio behaves erratically: the firmware manual advises against running Bluetooth and Wi-Fi at the same time. Set Settings → Wi-Fi to Off.
  • It worked and then stopped after Unpair All: that option also switches Bluetooth off, so select Ad hoc again.

Recommended gear

  • Short USB-C data cableAccessoryThe firmware update runs over USB, so you need a data-capable USB-C cable even if you plan to use Bluetooth afterwards.

Frequently asked questions

Does the ATS Mini support Bluetooth out of the box?
Only with firmware 2.34 or newer, and even then it is off by default. A radio on older firmware has to be updated first; after that you set Settings → Bluetooth to Ad hoc.
Which Bluetooth mode does ATS Mini Controller need?
Ad hoc. HID mode is for Bluetooth remotes and keyboards that control the radio directly, and the app cannot connect in it.
Can I update the firmware over Bluetooth?
No, not with this site’s installer, which writes the firmware over USB. Bluetooth is for remote control once the firmware is in place.
Does Bluetooth work on a phone?
Yes, in Chrome on Android. Browsers on iPhone do not offer Web Bluetooth, so the app cannot connect there.

Try it on your radio

Connect over USB or Bluetooth and follow along on the controller.

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Welcome to ATS Mini Controller

This web app connects to your ATS Mini radio over USB or Bluetooth LE and lets you control it directly from a computer or phone. It adds remote tuning, memory slot management, screenshot capture, audio streaming, spectrum scanning, theme editing and other features on top of the device's built-in firmware.

Firmware 2.34+: pick a connection method

Starting with firmware 2.34 the radio accepts remote control over USB or Bluetooth LE. Pick by what matters more for you: fast screenshots (USB) or clean audio from the radio’s 3.5 mm output (Bluetooth) — the two transports trade off in opposite directions.

  • USB Serial

    Settings USB Port change Off to Ad hoc

    Works in any Chromium-based browser. Requires a data-capable USB-C cable (opens in a new tab).

    Best for screenshots and theme work. Transfers complete in a second or two. Audio capture is noisy while the cable is connected — the radio lacks the filtering needed to isolate its 3.5 mm output from the USB power rail, so hum and switching noise bleed into the audio path.

  • Bluetooth LE

    Settings Bluetooth set mode to Ad hoc

    Chrome / Edge / Opera on desktop or Android. BLE is experimental in firmware 2.34.

    Best for clean audio. Bluetooth LE carries the remote control only, never sound: the audio still travels by cable from the radio’s 3.5 mm output to your computer. With no USB cable attached the radio runs on its battery, so that output stays free of the USB power-rail noise that bleeds through on a wired connection. Screenshots are much slower (~30 s) because of the firmware's BLE throughput cap.

More than one firmware

Besides the official firmware, the app carries profiles for the Monster fork and for H. J. Berndt's firmware. It works out which one your radio runs from the replies it gets, so there is nothing to pick. When nothing matches, it says so instead of guessing.

  • Berndt firmware is never assumed. It reuses some of the official firmware's keys and what they do there is not established, so the app asks you before switching to it.
  • Missing controls are deliberate. Whatever a firmware cannot do is left off the page rather than greyed out, and on Berndt firmware, commands go out one at a time, a few seconds apart.
How the app handles other firmwares (opens in a new tab)
Guides & gear (opens in a new tab)Firmware on GitHub (opens in a new tab)

Keyboard shortcuts

Single keys control the radio on the Controller page, except while you type in a field.

←→
Tune one step
↑↓
Volume up / down
Enter
OK
BN
Next / previous band
MV
Next / previous mode
SA
Next / previous step
WQ
Next / previous bandwidth
GF
AGC up / down
LK
Backlight up / down
IU
Calibration up / down
OP
Sleep on / off
T
Toggle status log
C
Screenshot
H
Log reception
D
Cockpit view
⌘K
Search pages & stations