From 84c65985cd9aef19fcb7496a1003d58984dd9faf Mon Sep 17 00:00:00 2001 From: Tang ZZ Date: Sat, 15 Aug 2026 18:25:03 +0800 Subject: [PATCH 1/2] docs(zero3): specify U.FL connector for ZERO 3W external antenna Clarify that the external antenna holder on Radxa ZERO 3W uses a U.FL connector, per issue #326. --- docs/zero/zero3/accessories/zero3w-antenna.md | 2 +- .../current/zero/zero3/accessories/zero3w-antenna.md | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/zero/zero3/accessories/zero3w-antenna.md b/docs/zero/zero3/accessories/zero3w-antenna.md index 1b65c0db9..f4b3582a4 100644 --- a/docs/zero/zero3/accessories/zero3w-antenna.md +++ b/docs/zero/zero3/accessories/zero3w-antenna.md @@ -4,7 +4,7 @@ sidebar_position: 1 # 射频天线 -Radxa ZERO 3W 板载 Radxa D8 / AP6212 WiFi&BT 模块，有一个板载天线和一个外接天线座子，默认使用板载天线, 可以通过 overlay 自由选择使用板载天线或外接天线。 +Radxa ZERO 3W 板载 Radxa D8 / AP6212 WiFi&BT 模块，有一个板载天线和一个外接天线座子（U.FL 接口），默认使用板载天线, 可以通过 overlay 自由选择使用板载天线或外接天线。 ![zero3w antenna1 ](/img/zero/zero3/zero3w-antenna1.webp) diff --git a/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md b/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md index 398ae5f8d..73d644216 100644 --- a/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md +++ b/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md @@ -4,7 +4,7 @@ sidebar_position: 1 # RF Antenna -Radxa ZERO 3W has an onboard Radxa D8 / AP6212 WiFi&BT module, an onboard antenna and an external antenna holder. The onboard antenna is used by default. You can freely choose to use the onboard antenna or an external antenna through the overlay. +Radxa ZERO 3W has an onboard Radxa D8 / AP6212 WiFi&BT module, an onboard antenna and an external antenna holder (U.FL connector). The onboard antenna is used by default. You can freely choose to use the onboard antenna or an external antenna through the overlay. ![zero3w antenna1 ](/img/zero/zero3/zero3w-antenna1.webp) From dfe03f8f05f9df135b2df5846a5f6f6fbfdfeff4 Mon Sep 17 00:00:00 2001 From: Tang ZZ Date: Tue, 18 Aug 2026 15:43:34 +0800 Subject: [PATCH 2/2] docs(zero3): add external antenna connector specifications for ZERO 3W 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). --- docs/zero/zero3/accessories/zero3w-antenna.md | 10 +++++++++- .../current/zero/zero3/accessories/zero3w-antenna.md | 10 +++++++++- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/docs/zero/zero3/accessories/zero3w-antenna.md b/docs/zero/zero3/accessories/zero3w-antenna.md index f4b3582a4..558652576 100644 --- a/docs/zero/zero3/accessories/zero3w-antenna.md +++ b/docs/zero/zero3/accessories/zero3w-antenna.md @@ -4,13 +4,21 @@ sidebar_position: 1 # 射频天线 -Radxa ZERO 3W 板载 Radxa D8 / AP6212 WiFi&BT 模块，有一个板载天线和一个外接天线座子（U.FL 接口），默认使用板载天线, 可以通过 overlay 自由选择使用板载天线或外接天线。 +Radxa ZERO 3W 板载 Radxa D8 / AP6212 WiFi&BT 模块，有一个板载天线和一个外接天线座子，默认使用板载天线, 可以通过 overlay 自由选择使用板载天线或外接天线。 ![zero3w antenna1 ](/img/zero/zero3/zero3w-antenna1.webp) - **1: 板载天线** - **2: 外接天线** +## 外接天线接口规格 + +| 项目 | 规格 | +| ---- | ---- | +| 接口类型 | U.FL（兼容 IPEX MHF1 / 1 代 IPEX） | +| 特性阻抗 | 50Ω | +| 适配天线 | U.FL / IPEX MHF1 接口天线（WiFi 2.4GHz / 5GHz 双频） | + ## 使用外接天线 如果你需要使用外接天线，需要开启外接天线 overlay，使用 rsetup [设备树配置](../os-config/rsetup#overlays)。 diff --git a/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md b/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md index 73d644216..037b31f7d 100644 --- a/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md +++ b/i18n/en/docusaurus-plugin-content-docs/current/zero/zero3/accessories/zero3w-antenna.md @@ -4,13 +4,21 @@ sidebar_position: 1 # RF Antenna -Radxa ZERO 3W has an onboard Radxa D8 / AP6212 WiFi&BT module, an onboard antenna and an external antenna holder (U.FL connector). The onboard antenna is used by default. You can freely choose to use the onboard antenna or an external antenna through the overlay. +Radxa ZERO 3W has an onboard Radxa D8 / AP6212 WiFi&BT module, an onboard antenna and an external antenna holder. The onboard antenna is used by default. You can freely choose to use the onboard antenna or an external antenna through the overlay. ![zero3w antenna1 ](/img/zero/zero3/zero3w-antenna1.webp) - **1: Onboard antenna** - **2: External antenna** +## External antenna connector specifications + +| Item | Specification | +| ---- | ------------- | +| Connector type | U.FL (compatible with IPEX MHF1 / 1st-gen IPEX) | +| Characteristic impedance | 50Ω | +| Compatible antenna | U.FL / IPEX MHF1 antenna (WiFi 2.4GHz / 5GHz dual-band) | + ## Use external antenna If you need to use an external antenna, you need to enable the external antenna overlay, Use rsetup [Device Tree Configuration](../os-config/rsetup#overlays).