CTR2-Quad Assembly Manual – v1.0
This manual provides instructions for assembling the CTR2-Quad Upgrade Kit. This kit is intended for customers that already own an M5Dial controller, or want to upgrade from older CTR2-Dial or…
Ham Radio controllers and unique station control accessories
This manual provides instructions for assembling the CTR2-Quad Upgrade Kit. This kit is intended for customers that already own an M5Dial controller, or want to upgrade from older CTR2-Dial or…
The new CTR2-Flex v2 firmware allows you to boot either CTR2-Flex or CTR2-Dial firmware without re-flashing your CTR2 controller.
Find the map and configuration files you need for CTR2-MIDI and CTR2-Dial here
Updated: January 17, 2026 All CTR2 MIDI controllers (running CTR2-MIDI MIDI firmware), must be configured to match the MIDI map of the app they are controlling. Typically, you’ll need to…
Find the latest CTR2 firmware updates here
January 15, 2026 This update includes the latest feature additions to CTR2-Flex firmware. There is a separate manual for CTR2-Dial firmware. You can download it here.
CTR2-Dial firmware is now included in CTR2-Flex v2 firmware. You can view the operation manual for CTR2-Dial here. To download a copy of it, press the Download button below. January…
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…
M5Dial based CTR2 hardware is available in three different configurations. All three variations run the CTR2-Flex firmware that provides Bluetooth/USB MIDI control for third-party apps like SmartSDR for iOS, SDR-Control,…