First Off Welcome To The Forums Mate,
Now The Signals Offerred By The Service Providers depends On Its Towers(Signal)Positioning Strength.....Like Hutch Has a Good Coverage Even In Enclosed Rooms......The Most U Could Do to Boost Ur Signal Strength Would Be To Do a Mannual Selection Netwrok And Manually Select Ur Service Providers Network 8)
Btw The Singal Booster Things Rarely Works Out as They Dont Physically Boost Even The Slightest Signals.....It Fully Depends on The Service Providers Signal Providing Receptions