Bandwidth Chart
Units of Measurement:
bit = smallest unit of digital information, i.e. ones &
zeros
byte = a set of bits
Bps = bits per second
Kbps = kilobits per second = 1000 bits per second
Mbps = Million bits per second = 1,000,000 per second
Gbps = Gigabits per second = 1,000,000,000 (one billion)
bits per second
Tbps = Terabits per second = 1,000,000,000,000 (one trillion)
bits per second
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13.21 Gbps |
........................................ |
OC-255 |
10 Gbps |
........................................ |
OC-192 |
4.976 Gbps |
........................................ |
OC-96 |
2.488 Gbps |
........................................ |
OC-48, STS-48 |
1.866 Gbps |
........................................ |
OC-36 |
1.244 Gbps |
........................................ |
OC-24 |
933.12 Mbps |
........................................ |
OC-18 |
622.08 Mbps |
........................................ |
OC-12, STS-12 |
466.56 Mbps |
........................................ |
OC-9 |
155.52 Mbps |
........................................ |
OC-3, STS-3, cat 5 cable,
high-speed ADSL downstream |
100 Mbps |
........................................ |
CDDI, FDDI, Fast Ethernet |
51.84 Mbps |
........................................ |
OC-1, STS-1 |
44.736 Mbps |
........................................ |
T-3, DS-3 N. America |
34.368 Mbps |
........................................ |
E-3 Europe |
20 Mbps |
........................................ |
Cat 4 cable |
16 Mbps |
........................................ |
Token Ring Lan |
10 Mbps |
........................................ |
Thin Ethernet, Cat 3, cable
modem |
8.448 Mbps |
........................................ |
E-2 Europe |
6.312 Mbps |
........................................ |
T-2, DS-2 N. America |
6.144 Mbps |
........................................ |
Standard ADSL downstream |
3.152 Mbps |
........................................ |
DS-1c |
2.048 Mbps |
........................................ |
E-2 Europe |
1.544 Mbps |
........................................ |
T-1, DS-1 N. America |
128 Kbps |
........................................ |
ISDN |
64 Kbps |
........................................ |
DS-0, pulse code modulation |
56 Kbps |
........................................ |
56flex, U.S. Robotics x2
modems,
V.90 standard |
33.6 Kbps |
........................................ |
56flex, x2 modem
communication rate |
28.8 Kbps |
........................................ |
V.34, Rockwell V.Fast Class
modems |
20 Kbps |
........................................ |
Level 1 cable, minimum cable
data speed |
14.4 Kbps |
........................................ |
V.32bis modem,
V.17 fax |
9600 bps |
........................................ |
modem speed
circa 1980's |
2400 bps |
........................................ |
modem speed
circa 1980's |
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