Feature:1. High Gain: This durable antenna has high gain, super strong signal, and the greater the range, the greater the distance.2. Characteristics: The antenna is nontoxic, harmless, sturdy, durable, waterproof, sunscreen, small in size, easy to carry and easy to install.3. Interface: The interface is SMA female thread inner pin, which is wear resistant, corrosion resistant and durable.4. Excellent Performance: Independent channel transmission is faster, reduces co channel interference, enhances signal gain, and improves transmission performance.5. Uses: Suitable for data transmission equipment such as wireless monitoring, WIFI, smart home, smart wear, etc.Specification:Item Type: External WiFi AntennaMaterial: ABSModel: for JB-2.4G-020Purpose: Signal Transmission and GainWorking Frequency: 2400-2500mhzAntenna Gain: 4DBIImpedance: 50Maximum Power: 50wStanding Waves Ratio: 1.5Polarization Method: Vertical PolarizationAntenna Interface: SMA Inner PinApplication Areas: Wireless Monitoring, WIFI, BT Module, Smart Home, Smart Wear, Product Signal Lights and Other Transmission Equipment.Package List:5 xExternal WiFi Antenna