When I back to my mom’s house during weekend, I will have hand phone signal problem. Many times I cannot call out or receive calls when I was backing home. This is because my mom house was in urban area and the signal is very bad there. I was thinking should I fix something like cell signal boosters to boost up the signal reception? Will it effectively increase the signal level? Well, some expert told me useless to do that cos some areas are tend to have lower signal, so no point to spend extra for that gadget.