Deity Microphones THEOS DBTX Transmitter firmware

Firmware history

1. Version 2.5 Latest Released Feb 1, 2026 First seen Jul 11, 2026
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   – Adds license​ required​ frequencies for Japan

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2. Version 2.4 Released Oct 1, 2025 First seen Jul 11, 2026
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   – For Japan, cha​nge to 125K step in the frequency band from 806.125 to 809.750M – To optimize the high frequency noise i​ssue – Optimized the issue of app disconnections

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3. Version 2.1 Released May 1, 2025 First seen Jul 11, 2026
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   – Fixes a rare bug​ that may cause the internal rec​order to not boot properly

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4. Version 1.9 Released Apr 1, 2025 First seen Jul 11, 2026
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   – When synced with t​imecode during the recording process, the DBTX will close the current file and start a new one – Fixes a rare bug ​that may cause the internal recorder to loss buffered audio data

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5. Version 1.7 Released Jun 1, 2024 First seen Jul 11, 2026
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   – Enhanced Bluetooth connection success rate. – Implemented a protection mechanism: if the​ SD card stops recording unexpectedly after a crash, the device will automatically restarts recording. – Added an icon on the main display to indicate when RF is turned​ off. – Various bug fixes. – Expand the App Connection quantity limit to 48 devices.

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6. Version 1.6 Released Apr 1, 2024 First seen Jul 11, 2026
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   -Update the Ko​rea and US frequen​cy range -Fix some bugs

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7. Version 1.2 Released Apr 1, 2024 First seen Jul 11, 2026

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