This 4G/3G LTE wifi antenna is a good solution for Huawei to receive and enhance the signal. Through the optional male jack, the antenna can be used with mobile broadband devices with external antenna ports. Greatly enhance the mobile broadband network coverage and Wifi reception capabilities of the 4G/3G mobile router. Main technical specifications 1. Frequency: A:2010-2025MHZ E:2320-2370MHZ D:2500-2690MHZ F:1880-1900MHZ LTE:450-470/2300-2400MHZ 2.Voltage standing wave ratio: <= 1.5 3. Gain 10 dbi 4. Polarization type: vertical 5. Rated power: 50 w 6.Input impedance: 50 ohm nominal 7. Dimensions: 7.3* 5.3* 2.0 cm 8. Vertical base scale 9.Cable type: RG174 (best) 100% Cooper 10.Length: 3m 11.Connector type: sma 12. Installation method: adsorption and hanging Jack: SMA Male head color: white Material: Plastic Package content: 1 * 4G / 3G LTE antenna (only the above package content, excluding other products.) note: Light shooting and different display may cause the color of the item in the picture to be slightly different from the real item. The allowable measurement error is +/- 1-3cm.