1、 Fine workmanship ensures fast and stable signal transmission. 2、 Support 3G frequency network. 3、 Compact and lightweight design, convenient to carry. 4、 Made of superior materials, which are safe and durable. 5、 Simple and easy to install. Features: 1. Fine workmanship ensures fast and stable signal transmission. 2. Support 3G frequency network. 3. Compact and lightweight design, convenient to carry. 4. Made of superior materials, which are safe and durable. 5. Simple and easy to install. Specification: Suitable network card: for Huawei E618 E160 E1820 14DB CRC9 wireless network card Frequency range: 1880-1920/1990-2170MHZ   Standing wave ratio: ≤ 1.5 Gain: 14dBi Polarization form: Vertical Maximum power: 50W Input impedance: 50 Ohms nominal Line type: RG174(best)100% cooper Length of cable: 3m Interface: RP-sma or Other Maximum length of antenna: 85cm Size of antenna: Approx. 88.4* 6.93* 6.93cm / 34.80* 2.73* 2.73 inch Universal wireless network card for CRC9 interface: E122, E156, E156G, E160, E160E, E160G, E1612, E161, E169, E176, E176, E1762, E196G, E1820, EC321, EC881E, E600, E612, E618, E620, E621, E630, E660A, E660, K3520, UMG 181, UMG 1691, UMG1691, UMG181 Package List: 3 * Segment of Antenna 1 * Antenna Base