RF Cafe Software
About RF Cafe
1996 - 2016
BSEE - KB3UON
RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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The chart below represents the state of applications and media data bandwidth usage as of 2006. The information was obtained by a story in Telephony magazine, entered into an Excel spreadsheet, and plotted as shown. Downstream values are speeds from the server to the local user computer, and upstream is from the local user to the server.
Note that blue bars to the left of the divider are for downstream data, and red bars to the right of the divider are for upstream data.
Note: Values are approximate and represent circa 2006 information.
|Standard definition TV||3||3|
|File sharing, Home video||5||5|
|Network personal video recorder||5||5|
|Interactive distance learning||5||5|
|Premises Web hosting||5||9|
|Large file sharing||10||12|
|Video uploads / downloads||13||14|
|Network-hosted applications & storage||40||10|
|Next-Gen 3-D TV||80||2|