This Antenna amplifier is designed to have better signal reception, 2G,3G,3,75G, 4glte,Wi-Fi. In order to get the maximum effect you will need to connect USB modem(any operator) or Wi-Fi module to the USB connector of antenna amplifier and direct antenna in the direction of the source signal The device is designed to provide stable access to the Internet via the USB-radio modems in the areas of uncertain reception networks GSM (GPRS/EDGE), 3G (HSDPA/HSUPA/WCDMA) and 4G (HSPA+, Lte, WiMax) any operators. Also the device can be used to increase the range of operation of the USB-equipment WiFi, Bluetooth the Design of the device allows you to place the radiosignal in the area of the maximum signal strength, for example at the window, as well as further strengthen it (due to formation of the directional diagram). Using the «Connect» You will be able to comfortably use the mobile Internet, where before access was difficult. Key features of this device: - Possibility to work with the equipment of any of the mobile operators and providers- Compatible with any USB-modems- The ability to configure for the best possible performance- Saves the manufacturer"s warranty USB-modem- For connection of no intervention is required in the design of the USB-modem- Reduces harmful influence of electromagnetic radiationAntena has a modern building, made of impact-resistant polymer, easy to Assembly and installation without the need to open the modem (which allows you to save the guarantee of the manufacturer) and any adapters.Band: 800-6000Mhz Network: GSM-900/1800, UMTS-900, UMTS-2100, LTE, WiMAX, WiFi Gain Level , dBi: >7-9 dBi Dimensions: 94.5 in x 104.3 in x 15.7 in (240?265х40 см) 0,6 Kg Cable length: 3m