docs(zero3): specify U.FL connector for ZERO 3W external antenna - #2016
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Milir-Radxa merged 2 commits intoAug 18, 2026
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Clarify that the external antenna holder on Radxa ZERO 3W uses a U.FL connector, per issue radxa-docs#326.
Add connector type (U.FL, compatible with IPEX MHF1 / 1st-gen IPEX), characteristic impedance (50 ohm) and compatible antenna info to the ZERO 3W RF antenna page, based on BOM verification and schematic (RF microstrip Z0 = 50 ohm).
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Fixes #326
Summary
The Radxa ZERO 3W hardware has an external antenna holder. This PR clarifies that the external antenna connector on ZERO 3W is a U.FL connector, so users know which antenna (U.FL/IPEX MHF1) to purchase when they want to use an external antenna.
Changes
docs/zero/zero3/accessories/zero3w-antenna.md(zh): mention the external antenna holder uses a U.FL connectori18n/en/.../zero3w-antenna.md(en): same clarificationSource
GitHub issue #326: "说明天线接口是U.FL" — reported that the docs should state the antenna interface type. Verified against the ZERO 3W BOM (WiFi antenna connector: 3x2.6x1.25mm RF 1st-gen SMD socket, i.e. U.FL/IPEX MHF1 footprint).
Impact
Docs-only, minimal, bilingual (zh/en) synced.