Feature: 1. High Gain: This durable antenna offers high gain and strong signal performance, providing extended range and distance. 2. Characteristics: The antenna is non-toxic, safe, sturdy, durable, waterproof, UV-resistant, compact in size, easy to carry, and simple to install. 3. Interface: Features a female SMA threaded connector with inner pin, designed to be wear-resistant, corrosion-resistant, and long-lasting. 4. Excellent Performance: Supports independent channel transmission for faster speeds, reduces co-channel interference, enhances signal gain, and improves overall transmission performance. 5. Uses: Ideal for data transmission devices such as wireless monitoring systems, Wi-Fi routers, smart home devices, and wearable technology. Specification: Item Type: External WiFi Antenna Material: ABS Model: JB-2.4G-020 Purpose: Signal Transmission and Gain Working Frequency: 2400–2500 MHz Antenna Gain: 4 dBi Impedance: 50 Ohms Maximum Power: 50 W Standing Wave Ratio: 1.5 Polarization Method: Vertical Polarization Antenna Interface: SMA Male (Inner Pin) Application Areas: Wireless Monitoring, Wi-Fi, Bluetooth Modules, Smart Home, Wearable Devices, Signal Lights, and Other Wireless Transmission Equipment Package List: 5 x External WiFi Antenna