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Internet Connection Types and Speeds!
Maximum Dedicated Bandwidths
| Type of line or connection |
Speed |
| Modem speed common in the 1980s |
2400 bps |
| Modem speed common in the late 1980s |
9600 bps |
| Level 1 cable, minimum cable data speed |
20 Kbps |
| V.34, Rockwell V.Fast Class modems |
28.8 Kbps |
| 56 flex, x2 com rate |
33.6 Kpbs |
| x2 modems, 56Kflex modems, v.90, v.92 |
56 Kbps |
| DS-0, pulse code modulation |
64 Kbps |
| ISDN |
128 Kbps |
| T-1, DS-11 |
1.544 Mbps |
| E-1, DS-12 |
2.048 Mbps |
| DS-1c |
3.152 Mbps |
| ADSL downstream |
7.144 Mbps |
| T-2, DS-21 |
6.312 Mbps |
| E-22 |
8.448 Mbps |
| Cable modem |
10 Mbps |
| Cat 3 cable, Thin Ethernet |
10 Mbps |
| Token Ring |
16 Mbps |
| 4 cable |
approx 20 Mbps |
| E-32 |
34.368 Mbps |
| T-3, DS-31 |
44.736 Mbps |
| OC-1, STS-1 |
51.84 Mbps |
| Fast Ethernet, CDDI, FDDI |
100 Mbps |
| OC-3, cat 5 cable, STS-3 |
155.52 Mbps |
| OC-9 |
466.56 Mbps |
| OC-12, STS-12 |
622.08 Mbps |
| OC-18 |
933.12 Mbps |
| OC-24 |
1.244 Gpbs |
| OC-36 |
1.866 Gbps |
| OC-48, STS-48 |
2.488 Gbps |
| OC-96 |
4.976 Gbps |
| OC-192 |
10 Gbps |
| OC-256 |
13.21 Gbps |
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