Wednesday, October 30, 2013

Bandwidth ..... bps, Kbps, Mbps, Gbps

While using the internet many of us get confused by the bandwidth figures provided by our Internet Service Provider (ISP).
Following information clears many things that appear before our eyes.

bps: bits per second
Kbps: Kilo bits per second (103)
Mbps: Mega bits per seconds (106)
Gbps: Giga bits per second (109)
Broadband: In India broadband is defined as bandwidth that is 256 Kbps and above. 

Bandwidth figures are tabulated below:

Regular TelephoneNot more than 56 Kbps
Mobile Phone9.6 Kbps to 14.4 Kbps
ISDN-BRI (Basic Rate Interface)64 Kbps to 128 Kbps
ISDN-PRI (Primary Rate Interface) Upto 1.544 Mbps(T1) or 2.048(E1)
Satellite400 Kbps
T11.544 Mbps
E12.048 Mbps
T26.312 Mbps
DSL (Digital Subscriber Line)512 Kbps to 8 Mbps
E28.448 Mbps
Cable Modem512 Kbps to 53 Mbps
Ethernet10 Mbps
Fast Ethernet100 Mbps
E334.368 Mbps
T3 / DS344.736 Mbps
OC1 (Optical Carrier)51.84 Mbps
E4139.264 Mbps
OC3/STM1155.52 Mbps
E5566.148 Mbps
OC12/STM4622.08 Mbps
Gigabit Ethernet1 Gbps
OC24/STM81.244 Gbps
OC-48/STM162.488 Gbps
OC192/STM6410 Gbps
OC-25613.271 Gbps

Latest technological developments in mobile telephony from 2G, 3G to 4G, have made high speed internet accessible to common man. One can get 3.1 Mbps, 7 Mbps, Upto 21 Mbps bandwidth on their mobile phone using3G. 4G LTE is promising even more.
Hope this basic information is useful.... Keep it handy. Save it somewhere !!!

Information Source: World Wide Web

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