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
How is mobile phone signal booster GSM/DCS/ 2G/3G/4G Working
• The outside antenna catches the low signal from the mobile base station and delivers it to the cell phone amplifier through the connection cabl