what is the minimum signal strength the mobile phone require in 3G network???

[AC Question]

minimum signal strength required to make a call and receive a call in 3G network??

 

[B. Diddy]

Welcome to Android Central! That might vary with the phone or the network. When my Nexus 5 on T-Mobile has one or no bars (but still can make a call), the signal strength is usually around -110 or -120 dBm.