Features 1、WATERPROOF AND DURABLE: Made of good quality materials, non toxic and harmless, durable with strong signal, waterproof and sun proof 2、PORTABLE SIZE: Small size of this thumb antenna is easy to carry and simple to install, completely free from space constraints 3、3DBI HIGH GAIN: High signal durable antenna has high gain, the larger the range, the farther the distance, guarantee stable transmission 4、WEAR AND CORROSION RESISTANT: The interface adopt SMA male, wear resistant, corrosion resistant and durable, very practical 5、BETTER SIGNAL TRANSMISSION: Independent channel bring faster transmission, reduce co channel interference, strengthen signal gain effect, and improve transmission performance Specification Item Type: Wifi Mini Antenna Model: JB-2.4G-012 Material: ABS Purpose: Signal transmission and gain Frequency Range: 2400-2500mhz Gain: 3dbi Standing Wave Ratio: ≤1.5 Impedance: 50Ω Polarization Method: Vertical Connector: SMA male Lightning Protection: DC grounding Power: 50W Operating Temperature: -40℃~+85℃ Package List 2 x Wifi Mini Antenna