1. Compatible with 4G mobile broadband modem, easy installation, no software required. 2. Usage conditions: corresponding interface SMA/TS9/CRC9, corresponding frequency band of the device 3. Compatibility list: 3G 4G router modem 4. Can be used indoors or outdoors to improve and maintain good signal quality. Frequency range: 698-960/1710-2700MHZ Standing wave ratio: Less than 2.5 Gain: 10-12dBi Polarization type: Vertical Radiation: Omnidirectional Maximum power: 10W Input impedance: 50 Ohm Connector type: SMA, TS9, CRC9 or other Cable type: RG174 (Best) 100% Cable length: 0.5M Size: Approx 23 x 6.5 x 6.5 cm Installation tips: The antenna should be installed vertically to maximize performance The antenna should not be installed on metal Color: White Material: Metal + Plastic Package contents: 2 x clamp codes 2 x U-type codes 4 x nuts 4 x washers 1 x antenna Only the above package content is included, other content is not included. Note: Light and different displays may cause the color of the item to look a little different from the real thing. The allowed measurement range is +/- 1-3 cm.