69a2e071_nection_Speed_Comparison_Chart__1
[0] Broadband over Power (BPL) [2] 500Kbps to 3Mbps [3] Ordinary power lines [4] Still an emerging technology, not widely available Significantly lower deployment costs than comparable technologies like DSL/Cable. [1] 
Uses existing electrical infrastructure to deliver broadband speeds using BPL "modems"
Internet Connection Speed Comparison Chart
1