1. Compatible with for 4G mobile broadband modem router, simple installation, no software required. 2. Conditions of use: the corresponding interface SMA, the corresponding frequency band of the device 3. Compatibility list: 3G 4G router modem 4. It can be used indoors or outdoors to enhance and maintain good signal quality. Frequency range : 698-960/1710-2700MHZ VSWR: less than 2.5 Gain: 10-12dBi Polarization Type: Vertical Radiation : Omni Max Power imput: 10W Input Impedance: 50 Ohms Connector Type : SMA or other Cable Type: RG174(BEST)100% Cable Length: .5M Dimensions: Appox.23 x 6.5 x 6.5CM Installation Tips: Antenna should be mounted vertically to maximize performance Antenna should not be mounted against metal Colour: white Material: metal + plastic Package Contents: 2 x Clip code 2 x U type code 4 x nut 4 x Gasket 1 x antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.