Designed for use in larger office buildings, warehouses or manufacturing facilities with signal shadowed environments This Cell Phone Signal Booster device is featured with easy installation & operation, build-in indoor antenna and no interference. It could also improve indoor electromagnetism environments, protract cellular battery life and reduce radiation of cell phones, followed the replacement of 4G850, GSM1800 and WCDMA/3G2100 network. Tri-Band 4G850, GSM1800, WCDMA/3G2100 Cell Phone Signal Booster comes with everything you need to boost coverage in your area. Cell phone becomes especially helpful when people get into critical situations. In case of emergency a timely call can save somebody’s life. Unfortunately, there are still some places where one can find themselves “out of coverage”.
Usually those places are either too far from the cell phone base station or located inside underground constructions, for example: Parking lots, tunnels, Big stores, office buildings, Cars, boats etc. House in remote areas etc.