BTECH GMRS-PRO
firmware v0.8.4
BTECH · Released Apr 30, 2025 · First seen Sep 6, 2026
Source:
baofengtech.com
v0.8.4 is not the latest firmware for the BTECH GMRS-PRO: the current version is v0.9.3 (June 1, 2026). Go to v0.9.3
In short — summary by updatemystuff.com
Adds Busy Channel Lockout feature, optimizes display colors, fixes NOAA alert and VOX issues.
- Added Busy Channel Lockout to prevent transmission on busy channels
- Optimized display colors for improved visibility
- Fixed NOAA alert mode channel switching behavior
Written from BTECH's release notes, which are printed in full below.
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What's in this update
New Added support for Busy Channel Lockout (BCL) to prevent message transmission on busy channels.
Improvements
Display color optimization for better visibility.
Fixes
- Fixed an issue on VOX.
- Resolved an issue in NOAA alert mode where the device prematurely switched to the next scan channel without sufficient waiting time after detecting a signal but failing to receive the 1050Hz tone, leading to squelch (SQ) detection anomalies.
- Resolved audio relay issue
Other
- Bluetooth headset PTT release sound will now stop playing after notification sounds are disabled.
- Channel editor now supports modifying the Busy Channel Lockout setting.
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Create account & watchChanged since v0.8.3
- Resolved audio relay issue