Yep - cable - and undertand that's the effective throughput to this PC - and right now we have games being played, files being downloaded to other PC's - a web site being hosted all on the same network connection - and still get those speeds...
p.s. - not the most accurate tool though...
13600 Kbps - You 13600 kbps
20400 Kbps - You 20400 kbps
10200 Kbps - You 10200 kbps
13161.3 Kbps - You 13161.3 kbps
1406.9 Kbps - You 1406.9 kbps
13600 Kbps - You 13600 kbps
1095.3 Kbps - You 1095.3 kbps
18545.5 Kbps - You 18545.5 kbps
17662.3 Kbps - You 17662.3 kbps
22666.7 Kbps - You 22666.7 kbps
19336.5 Kbps - You 19336.5 kbps
24000 Kbps - You 24000 kbps