Features 1、Strong Signal and Removable Design: Spring antenna, double steel ring spring, super strong signal, antenna base and antenna rod can be disassembled for easy cleaning. 2、Superior Performance: SMA internal pin interface, omnidirectional high gain antenna to reduce co channel interference, strengthen the signal gain effect and improve transmission performance. 3、Fine Craftsmanship: Accuracy steel coil spring, fast data reception, high gain range, the more open the distance. The interface is purple copper female threaded female pin wear and corrosion resistance. 4、Convenient to Use: The base is equipped with magnets, magnetic suction cups to facilitate the role of fixed, can be adsorbed on objects made of metal. 5、Application: Suitable for 4G routers, GPRS, 3G, 4G wireless modules, cell phone signal amplifiers, advertising machines, numbering machines, vending machines, GPRS signal reception and transmission, etc. Specification Item Type: Antenna Material: Red Copper + Steel Model: XP-4G-002 Use: Signal Transmission and Gain Operating Frequency: 700-2700mhz Antenna Gain: 15dbi Vswr: ≤15 Impedance: 50Ω Polarization Mode: Vertical Polarization Maximum Power: 50w Antenna Interface: SMA Male Internal Pin Operating Temperature: -40℃~+85℃ Storage Temperature: -20~40℃ Applicable Equipment: 4G Router, GPRS 3G 4G Wireless Module, NB-IOT Module, Advertising Machine, Numbering Machine, Vending Machine, GPRS Signal Receiving, Transmitting, etc. Size: Total Length of Antenna: Approx. 32cm/12.6in Wire Length: Approx. 1.5m/4.9ft Package List 1 x Antenna