Description: Brand new and high quality. High gain, can increase the range of your wireless device. Easy installation, no drivers needed, plug and play. SMA connector interface, convenient. You can easily mount them on the back of the 4G LTE to get better signal strength. Specification: Type: Antenna Color: White Product size: 19 * 3 * 1cm Frequency: 700MHZ-2700MHZ Impedance: 50 OHM Gain: 5dBi Connector: SMA Quantity: 2 Product weight: 35g (two pieces) Suitable for: B311 B310 B593S B880 E5186 B315 If you have any questions, concerns, or need more information, please contact us at any time. Our team is dedicated to providing you with support and answering any questions you may have. Your satisfaction is our ultimate goal. We look forward to providing you with high-quality products and service! Thank you for your support. Buying our products means not only owning high-quality goods, but also enjoying our meticulous customer service. Our customer service team is ready to provide you with help and support.