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- [[antenna-type-dat]] - [[antenna-design-dat]] - [[antenna-HDK-dat]]
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-type of antennas by shape == [[antenna-type-dat]] - [[antenna-T-dat]] - [[antenna-Whip-dat]] - [[antenna-spring-dat]] - [[antenna-SMD-dat]] - [[antenna-PCB-dat]]
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+type of antennas by shape == [[antenna-type-dat]] - [[antenna-T-dat]] - [[antenna-Whip-dat]] - [[antenna-spring-dat]]
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+
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+- [[antenna-SMD-dat]] - [[antenna-PCB-dat]] - [[antenna-ceramic-dat]]
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type of antennas by power == [[antenna-active-dat]] - [[antenna-passive-dat]]
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@@ -42,7 +44,7 @@ IPEX-1st-gen or IPEX-4th-gen or cable bare end
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type of antennas by frequency == [[antenna-location-dat]] - [[antenna-GNSS-dat]] - [[GSM-antenna-GPS-dat]] - [[antenna-RF-dat]] - [[antenna-2.4G-dat]]
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-- [[antenna-function-dat]] - [[antenna-location-dat]] - [[antenna-wifi-dat]]
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+- [[antenna-function-dat]] - [[antenna-location-dat]] - [[antenna-wifi-dat]] - [[antenna-NFC-dat]] - [[antenna-bluetooth-dat]]
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## specs
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* **Physical Dimension:** The center frequency is directly tied to the physical length of the antenna. For a standard dipole antenna, the length is approximately **1/2 of the wavelength ($\lambda$)** of the center frequency.
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* **Performance:** This is the "sweet spot." At $f_c$, the antenna radiates the maximum amount of power and reflects the minimum amount back to the transmitter.
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+![](2026-04-06-12-44-59.png)
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---
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@@ -116,6 +118,7 @@ VSWR stands for Voltage Standing Wave Ratio. It is a numerical measurement that
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In simple terms, it measures impedance matching.
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+![](2026-04-06-12-40-50.png)
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### Polarization and Radiation Pattern
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* **Usage:** Best for long-range stationary setups or point-to-point links.
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* **Gain (dBi):** High-gain antennas flatten the "donut" to push the signal further horizontally, but this makes the dead zones above and below the antenna much larger.
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---
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-## ceramic antenna
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-
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-![](2025-08-19-17-27-28.png)
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-
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## impedence matching chipset
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- [[antenna-dat]] - [[wifi-dat]] - [[antenna-wifi-dat]]
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+
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+
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+## high gain anntenna
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+
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+efficient high gain 8DBI wifi antenna
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+![](2026-04-06-12-50-48.png)
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+![](2026-04-06-12-52-10.png)
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+![](2026-04-06-12-53-34.png)
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## rank
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[[wifi-antenna-1.mp4]]
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+## user test antenna result
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+
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+![](2026-04-06-12-35-35.png)
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+
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+
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## ref
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# antenna-ceramic-dat
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+- [[antenna-SMD-dat]] - [[antenna-PCB-dat]] - [[antenna-ceramic-dat]]
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+
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+## ceramic antenna
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+![](2025-08-19-17-27-28.png)
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ceramic mini antenna
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https://www.electrodragon.com/product/gps-ceramic-antenna-build/
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JOHANSON(约翰逊)
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-![](2025-08-28-18-16-53.png)
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## ceramic onboard antenna
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Tech-dat/tech-dat.md
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- [[M2M-dat]]
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-- [[antenna-dat]] - [[antenna-active-dat]] - [[antenna-passive-dat]]
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+- [[antenna-dat]] - [[antenna-active-dat]] - [[antenna-passive-dat]] - [[antenna-wifi-dat]]
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- [[app-dat]] - [[rc-apps-dat]]
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