Features 1、Spring Antenna: The radio antenna has a spring antenna steel circle to ensure a stable signal, and the antenna base and antenna rod can be disassembled for easy cleaning 2、SMA Inner Needle Interface: The radio antenna has an SMA inner needle interface, and the omnidirectional high gain antenna reduces co channel interference and enhances the signal gain effect 3、Convenient and Practical: The radio antenna can receive data quickly, the gain is high and the range is large, the more open the distance, the farther 4、Adsorption Base: The base of the radio antenna is equipped with a magnet. The magnetic suction cup is convenient for fixing and can be adsorbed on metal objects 5、Internal Thread: The interface of the radio antenna is red copper internal thread, the inner needle is wear resistant and corrosion resistant, so can be used with confidence Specification Item Type: Radio Antenna Material: Red Copper, Steel Purpose: Signal Transmission and Gain Working Frequency: 700-2700mhz Line Gain: 9DBI Standing Waving Ratio: ≤1.5 Impedance: 50Ω Polarization Method: Vertical Polarization Maximum Power: 50W Antenna Interface: SMA Interface Working Temperature: -40℃ to +85℃ Overall Height: Approx. 19.5cm/7.7in Storage Temperature: -20 to 40℃ Line Length: Approx. 3meters/3.3yd Applicable Equipment: Wireless Monitoring, Full Netcom Module, Smart Home, and Other Data Transmission Equipment Package List 1 x Radio Antenna