While some residential proxy services offer "unlimited" bandwidth, this often comes with certain conditions. In most cases, "unlimited" refers to the absence of data transfer caps, but there may still be limitations on:
IP Rotation Frequency: High rotation rates may be limited to avoid abuse.
Fair Usage Policies: Providers may impose fair usage limits if they detect excessive traf... http://blog.piguse.com/blog/network-basics/selection-and-configuration