Radtel RT-4D
firmware v3.19
Radtel · Released Nov 13, 2025 · First seen Sep 12, 2026
Source:
radtels.com
v3.19 is not the latest firmware for the Radtel RT-4D: the current version is v3.25 (February 5, 2026). Go to v3.25
What's in this update
Release notes not published by vendor — see official page. Check Radtel's website for the full details of what this update changes.
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