And I am using right now where I have no data service. It is showing 4 bars of 3G and if I turn it off it goes to no data service, not even 1X..

# 811210 Signal Boost Cellular/PCS Amplifier
# 301130 - Marine Mount Antenna
# 952350 - 50 Ft of LMR400 Antenna Wire
# 971108 - Amp to antenna connector
# 971107 - Cable to amp connector