The reason 6Ghz was introduced with WiFi 6E and 7 was because 2.4Ghz and 5Ghz was very busy.
My question is why isn’t there anything in between? Why isn’t there a 3Ghz, 3.5Ghz, 4Ghz, etc?
Also, what if things that require very little data transmission used something lower than 2.4Ghz for longer range? (1Ghz or something?)
Radiowaves are not free real estate. Every country has their own laws on what frequencies you’re allowed to use for what.
2.4ghz frequencies are basically as unregulated as they can get in the US, so that’s why wifi used that for the longest time. I’m not sure what devices used 5ghz before, but they took that frequency for wifi. You have to fight for every mhz you can get in radio waves.
Here’s the wiki article talking a bit about this. I’ve never heard of like 3.6ghz wifi so that’s interesting. https://en.wikipedia.org/wiki/Wi-Fi#Operational_principles%3A~%3Atext=some+cases+severely.-%2CWaveband%2C-[edit]
shouldn’t the arrow be pointing down?
To be fair I was really lazy and just grabbed the first one I saw with “not” inserted into it.
Because yes you are correct.
Growing up I always learned (I think) the “insert missing text” symbol was shaped like the one in the pic, like a caret symbol.
The odd thing is I also remember the caret and inserted word being at the top like in OP’s image, but style guides I can find now show the caret at the bottom and the inserted text at the top.
https://www.csuchico.edu/style-guide/guidelines/copy-editing-marks.shtml#%3A~%3Atext=A+caret+shows+where+an%2Coften+written+in+the+margin.
https://books.byui.edu/fhgen_110_textbook_/chapter_16_deciphering_elements_of_handwritten_records#%3A~%3Atext=are+shown+here%3A-%2CInserted+Words%2Cadded+on+the+line+ above (search for caret)
https://grammarist.com/editing/proofreading-editing-marks-symbols/
Wikipedia seems to indicate using a downward facing caret, or a caret with an extra upward arm https://en.m.wikipedia.org/wiki/Caret_(proofreading)
TIL!
All that to say the formatting of OP’s pic, no matter the direction of the arrow/caret, makes it hard to read. A little “don’t dead open inside” or something.
Edit to add: This one shows it the way I remember it https://dmlfnsgrade9isawesome.weebly.com/editing1.html