Adafruit
2.4GHz Mini Flexible WiFi Antenna with uFL Connector [100mm]
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A 100 mm (4″) flexible WiFi antenna with approximately 4 dBi gain and a U.FL (IPEX) connector. The flexible design lets you bend and position the antenna to ...
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A 100 mm (4″) flexible WiFi antenna with approximately 4 dBi gain and a U.FL (IPEX) connector. The flexible design lets you bend and position the antenna to suit your enclosure or project layout, while the U.FL connector snaps directly onto boards without the need for an adapter.
Key Features
- ~4 dBi Gain – Good range for a compact antenna
- U.FL / IPEX Connector – Direct connection to boards with U.FL sockets
- Flexible Design – Bendable for positioning in tight spaces
- 50 Ω Impedance – Standard match for 2.4 GHz RF circuits
- 100 mm Length – Compact form factor
Compatible With
- 2.4–2.5 GHz WiFi modules (ESP32, CC3000, etc.)
- Bluetooth and ZigBee transceivers
- Any wireless device with a U.FL / IPEX antenna socket
Package Contents
- 1× 2.4 GHz Mini Flexible WiFi Antenna (U.FL, 100 mm)
Jargon buster
Plain-language definitions for the technical terms used above.
- ESP32
- ESP32 is a family of microcontroller modules with built-in wireless features such as Bluetooth and WiFi. Knowing this product uses an ESP32-based module helps explain how it provides wireless serial communication and firmware update features.
- RF
- RF means radio frequency, referring to signals used for wireless communication and other high-frequency electronics. A low-noise, stable power supply is important for RF circuits because power noise can affect signal quality and measurements.
- u.FL
- u.FL is a tiny snap-on antenna connector often used on compact wireless boards. A board with u.FL usually needs an external antenna, which matters if the product will be inside an enclosure or needs better antenna placement.
- Zigbee
- A low-power wireless standard commonly used by smart home sensors, switches, and lights. It matters if you want the board to communicate with Zigbee devices or act as part of a home automation network.
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