Bandwidth of common
telecom and datacom transmission systems
Here is some useful information comparing the bandwidth capacity (speed) of various common telecom and network facilities:
Dial-up
An analog modem using twisted pair copper phone lines.
| Bell 103
| 300
| bit/s
|
| Bell 212
| 1200
| bit/sec
|
| v.22bis
| 2400
| bit/sec
|
| v.32
| 9.6
| Kbit/sec
|
| v.32bis
| 14.4
| Kbit/s
|
| v.34
| 33.6
| Kbit/s
|
| v.90
| 53.3
| Kbit/s
|
| v.90 up*
| 33.6
| Kbit/sec
|
| v.92
| 53.3
| Kbit/sec
|
| v.92 up*
| 48.0
| Kbit/sec
|
| 56k
| 53.3
| Kbit/s
|
| ISDN
| 128.0
| Kbit/s
|
|
*Note: Some connections are asymmetrical,
they download faster than they upload.
Cable
Uses coaxial copper cable.
| Average
| 2.0
| Mbit/s
|
| Maximum
| 10.0
| Mbit/s
|
| Upstream avg*
| 500.0
| Kbit/s
|
|
*Note: Some connections are asymmetrical,
they download faster than they upload.
DSL
Digital Subscriber Line
uses twisted pair copper phone lines.
| IDSL
| 128.0
| Kbit/s
|
| UADSL
| 1.5
| Mbit/s
|
| UADSL up*
| 512.0
| Kbit/s
|
| HDSL
| 1.50
| Mbit/s
|
| SDSL
| 2.00
| Mbit/s
|
| RADSL
| 7.00
| Mbit/s
|
| RADSL up*
| 1.00
| Mbit/s
|
| ADSL
| 8.00
| Mbit/s
|
| ADSL up*
| 1.00
| Mbit/s
|
| VDSL
| 51.64
| Mbit/s
|
| VDSL up*
| 19.20
| Mbit/s
|
|
*Note: Some connections are asymmetrical,
they download faster than they upload.
T-carrier
Usually delivered by fiber optic or microwave, although T1 may use two twisted pair copper phone lines.
| T-1
| 1.54
| Mbit/s
|
| T-3
| 44.74
| Mbit/s
|
|
Optical Carrier
Fiber optic point-to-point, often used for "backbone" facility.
| OC-3
| 155.52
| Mbit/s
|
| OC-12
| 622.08
| Mbit/s
|
| OC-48
| 2,488.32
| Mbit/s
|
| OC-96
| 4,976.64
| Mbit/s
|
| OC-192
| 9,953.28
| Mbit/s
|
| OC-255
| 13,219.20
| Mbit/s
|
|
Ethernet
Used for local area networks (LANs) over multiple twisted pair copper cable, except for the obsolete 10base2 which uses coaxial cable.
| 10base2
| 2.00
| Mbit/s
|
| 10baseT
| 10.00
| Mbit/s
|
| 100baseT
| 100.00
| Mbit/s
|
| Gigabit Ethernet
| 1,000.00
| Mbit/s
|
|
Wireless
May be fixed or mobile.
| HomeRF
| 1.20
| Mbit/s
|
| WiFi 802.11a
| 54.00
| Mbit/s
|
| WiFi 802.11b
| 11.00
| Mbit/s
|
| WiFi 802.11g
| 54.00
| Mbit/s
|
| WiFi 802.11n
| 100.00
| Mbit/s
|
| CSD
| 9.6
| Kbit/s
|
| CDMA
| 14.4
| Kbit/s
|
| iDEN
| 19.2
| Kbit/s
|
| CDPD
| 19.2
| Kbit/s
|
| 1XRTT
| 144.0
| Kbit/s
|
| HSCSD
| 56.0
| Kbit/s
|
| CDMA 2.5G
| 64.0
| Kbit/s
|
| GPRS
| 171.2
| Kbit/s
|
| EDGE
| 384.0
| Kbit/s
|
| 3G
| 384.0
| Kbit/s
|
| UMTS
| 2.00
| Mbit/s
|
| 3G1xEV-DO
| 2.40
| Mbit/s
|
| 3G1xEV-DV
| 5.00
| Mbit/s
|
|
*Note: Some connections are asymmetrical,
they download faster than they upload.
Based on information provided by various sources
including Bandwidth Place (http://www.bandwidthplace.com)
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