ZVD-GSM Signal Amplifier 900MHz Repeater 2G 3G 4G LTE Cellular Amplifier DCS 1800 2100 For Mobile Phone - EU-

General Description This repeater is designed to improve signal reception in areas where the signal is weak or non-existent. It is ideal for use in spaces such as basements, underground parking garages, offices, small supermarkets, bars, dance halls, and more. Technical Specifications: Voltage: 110-220V AC or DC 5V 1A; Frequency Range: 890MHz–915MHz (Uplink), 935MHz–960MHz (Downlink); Gain: Uplink: 55dBi, Downlink: 60dBi; Compatibility and Accessories: Compatible with various telecommunications systems; Includes: external antenna, internal antenna, coaxial cables, and power adapter; Installation: Mount the external antenna inside or outside a window, pointing it towards the signal tower; Connect the external antenna to the repeater's BTS port using a cable; Connect the internal antenna to the repeater's mobile port using a cable; Plug the power adapter into a wall outlet. Finalize the installation
Usage: The repeater works by receiving a weak signal via the external antenna, amplifying it, and retransmitting it to the internal antenna, thus providing a stronger signal for your phone.