2.4GHz WiFi Antenna (2dBi) with SMA Male Connector – Overview
The 2.4GHz WiFi Antenna (2dBi) with SMA male connector is a compact, high-efficiency antenna built for Wi-Fi, Bluetooth and other 2.4GHz ISM-band wireless applications. Its small form factor, stable performance and broad compatibility make it an excellent choice for routers, wireless modules, IoT devices, development boards and custom RF projects that need a reliable signal boost.
Key Features
- 2.4GHz ISM Band Support – Tuned for Wi-Fi, Bluetooth, ZigBee and similar 2.4GHz protocols.
- 2dBi Gain – Stable coverage and signal enhancement for short to medium-range communication.
- SMA Male Connector – Standard connector compatible with many routers, RF modules and ESP boards.
- Plug and Play – Screw-in installation into any SMA female port.
- 360 Degree Rotatable Swivel – Flexible positioning to optimize reception and transmission.
- Low VSWR Design – Efficient signal transfer with minimal reflection and loss.
- Durable Construction – High-quality internal radiator, ABS housing and corrosion-resistant connector for long life.
Technical Specifications
- Frequency: 2.4 GHz (ISM band)
- Gain: 2 dBi
- Connector: SMA male
- Radiation pattern: Omnidirectional (typical for monopole-style 2.4GHz antennas)
- VSWR: Low (designed for efficient RF transfer)
- Housing: ABS plastic, durable and lightweight
- Mounting: Screw-on SMA female port, 360 degree swivel
Compatibility and Use Cases
This antenna works with a wide range of devices and modules that use a standard SMA female port, including:
- Wi-Fi routers, access points and repeaters
- ESP32 and ESP8266 development boards and modules
- STM32 Wi-Fi projects and Wi-Fi enabled microcontroller boards
- LoRa modules operating at 2.4GHz, WLAN modules and network cards
- FPV systems, wireless cameras and other RC applications
- Bluetooth devices, gateways and IoT endpoints
Installation and Best Practices
Quick Setup
- Align the SMA male connector with the device’s SMA female port.
- Gently screw the antenna into the port until firmly seated. Do not over-tighten.
- Rotate and adjust the swivel to the desired orientation for best signal.
Placement Tips
- Place the antenna as high as practical and avoid metal obstructions nearby.
- For best Wi-Fi coverage, orient the antenna vertically for omnidirectional performance.
- Test several positions and orientations to determine optimal placement for your environment.
Applications
- Home and small office Wi-Fi networks
- IoT sensor nodes, smart home devices and gateways
- Embedded Wi-Fi projects using ESP32, ESP8266 or STM32
- Wireless video and FPV systems
- Bluetooth range extension for devices and peripherals
Why Choose This 2.4GHz WiFi Antenna
This antenna provides a balanced combination of compact size, reliable 2dBi gain and broad compatibility via the SMA male connector. Its durable build and low VSWR design help ensure consistent performance in both development and production environments. The 360 degree rotatable swivel gives flexibility during installation so you can optimize signal direction quickly.
Package Notes
Images are for illustration purposes only. The antenna ships as described with SMA male connector and rotatable housing.
More Information
If you need help confirming compatibility with your module or board, provide your device model and we can recommend whether this 2.4GHz WiFi Antenna is the right fit.













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