1. Compatible with 4G mobile broadband modem routers, easy installation, no software required. 2. Usage Requirements: Corresponding SMA / TS9 / CRC9 interface, corresponding frequency band for the device. 3. Compatibility List: 3G 4G router modem 4. 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: 10W Input impedance: 50 Ohm Connector type: SMA, TS9, CRC9 or other Cable type: RG174(BEST)100% Cable length: 0.5M Dimensions: about 23 x 6.5 x 6.5 cm Installation tips: The antenna should be mounted vertically to maximize performance Antenna should not be mounted against metal Color: 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 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 +/- 1-3 cm.