Amplificateur de signal cellulaire 2G 3G 4G, répéteur GSM avec couverture jusqu’à 200 pi², amélioration du signal mobile pour maison, bureau, atelier et espaces intérieurs

Description Good Durability and Performance: The dual band cell phone signal booster is made of A metal materials to ensure efficient heat dissipation. Compatibility Product Description: DCS LTE B3 2G 3G 4G Home GSM Cell Phone Signal Booster is designed for 890 MHz to 4G GSM cell phone frequency band. 915 MHz (UPLINK) 935 MHz at; 960 MHz (DOWNLINK). The gain is uplink 60 ± 3DB, downlink 65 ± 3DB. Voice and Data Enhancement: Cell phone signal supports both iOS and Android cell phone systems. It can amplify weak signal to 200 square feet. Ensure stable reception, reduce offline calls, improve phone quality. voice and speeds up data uploading and downloading. Easy to use Install: Install the external antenna. Then place the cell phone signal booster where it is. you want. The external antenna transmits the signal to the mobile phone amplifier via the coaxial cable. Next, install the indoor omnidirectional ceiling antenna. Then connect it to; the amplifier with the remaining coaxial cable. Reliable Connection: The cell phone signal amplifier has small size, light weight, long life and can provide a reliable connection when you need it.