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Five Fundamentals of RF You Must Know for WLAN Success

  Рет қаралды 321,922

CWNPTV

CWNPTV

Күн бұрын

Пікірлер: 85
@junwuluo1231
@junwuluo1231 6 жыл бұрын
It really starts at 4:11, just skip and save yourself 4 minutes. and set speed to 1.5.
@_tabot9268
@_tabot9268 4 жыл бұрын
Think you bro ¶
@craig893
@craig893 3 жыл бұрын
Exactly what i did.
@Wadmd
@Wadmd 3 жыл бұрын
Nice
@user-ec4hz2ft6h
@user-ec4hz2ft6h 6 ай бұрын
thanks to this video, i was able to succefully pass the past exam questions i’ve been practicing. I got he past questions from Leanology World for free , they gave me official CWNA 109 study guides for free as well but those study guides where not enough for me, this video tutorial was able to put the knowledge that i got from the study guide into perspective. ❤ thank you a much for making this tutorial video ❤
@joelpanettaonline
@joelpanettaonline 6 жыл бұрын
How the heck can 19 people give this a thumbs down?????? Tom & CWNP are the best out there at explaining this stuff.
@tomwold7288
@tomwold7288 6 жыл бұрын
Joel Panetta Online Simple why there are 19 thumbs down. 19 idiots = 19 thumbs down.
@sbyrum
@sbyrum 6 жыл бұрын
Keep in mind there are people that actually believe that earth is flat. unfortunately, they have access to the internet too.
@andrewlankford9634
@andrewlankford9634 6 жыл бұрын
Wikipedia is better. Or a text book, MIT lecture for that matter.
@CsFanatiker
@CsFanatiker 6 жыл бұрын
Research cellphone radiation Research cellphone tower radiation Research wireless/wifi radiation
@CsFanatiker
@CsFanatiker 6 жыл бұрын
How narrow minded you people must be to believe there are no downsides to wireless tech........... pffff tbh gtfo fried zombie brains and your wireless tech
@chimeranzl9147
@chimeranzl9147 6 жыл бұрын
Save yourself some time, jump to 4:20. Brilliant overview.
@shreyasathavale
@shreyasathavale 5 жыл бұрын
Tom- one of the best videos presented by cwnp.Really gives a clear understanding of all the basics.
@PeteMaverickMitchell87
@PeteMaverickMitchell87 8 жыл бұрын
Good video! Some of the discussion reminds me of EE courses taken long ago.
@howardhiggins5059
@howardhiggins5059 7 жыл бұрын
Great video Tom.
@clsmith619
@clsmith619 6 жыл бұрын
Great refresher. Thank you.
@aswath7
@aswath7 5 жыл бұрын
very good video to start learning about wireless technologies basics
@MegaUtuser
@MegaUtuser 4 жыл бұрын
Brilliant outstanding.
@ruchitaahluwalia9695
@ruchitaahluwalia9695 7 жыл бұрын
It would have helped if you've used similar graph to 2.4GHz to describe the 5GHz so novice person like me can visualize the difference in comparison of two. Other than that it was a great video.
@andresrcqr
@andresrcqr 6 жыл бұрын
Great Video explaining fundamentals
@villagevaliant
@villagevaliant 4 ай бұрын
When it comes to refraction: Generally how wide is a wave length ? You mentioned a filing cabinet 🗄️ while the display gives an example of a roof top ? Also what is the size difference between that of say 2.4 opposed to the 5ghz [ if you aren’t sure of exact dimension- Maybe you’d be able to say which is wider over the other (2.4 or 5). ]
@villagevaliant
@villagevaliant 4 ай бұрын
I hear you 🤚🏾
@jeffm2787
@jeffm2787 3 жыл бұрын
2.4 is alive and kicking, well at least for home and IOT related devices. Once you get out of the cities it becomes completely useable even for 4k streaming, etc. Use 5Ghz of course where possible.
@juliandevilliers6435
@juliandevilliers6435 5 жыл бұрын
Very informative, thank you for sharing
@user-hm2gb6pm6b
@user-hm2gb6pm6b 4 ай бұрын
Red light scattering in many direction Absorption reflection refraction
@SK_TRS
@SK_TRS 3 жыл бұрын
Thank you, it was really informative.
@zaidhussain5206
@zaidhussain5206 7 жыл бұрын
Thank you for this video, really informative
@CruisinShady
@CruisinShady 7 жыл бұрын
Good Info. Thanks for the video!
@feliciab6050
@feliciab6050 3 жыл бұрын
Thank you Sir!!
@kworgz
@kworgz 10 ай бұрын
These are great, but if you add animation when explaining some of the concepts like interference etc. these videos would really take off
@iamdeadism
@iamdeadism 8 жыл бұрын
Thank you. Good video!
@NetSecAcademy
@NetSecAcademy 3 жыл бұрын
Where can I get complete video training from this guy please ? So well explained
@BRYDN_NATHAN
@BRYDN_NATHAN Жыл бұрын
thank you
@rdalben
@rdalben 2 жыл бұрын
In a 4x3 AP, Is there a way to setup the client to connect not using 3x3 but 2x2 or 1x1 ?
@the_mze
@the_mze 4 жыл бұрын
Remember that when you watch this now, there is UNII-4 Channels aswell! (75 MHz additional!)
@danielghani3903
@danielghani3903 Жыл бұрын
thanks
@anwarulhoda7636
@anwarulhoda7636 6 жыл бұрын
I know all of these things. Thank you
@prd9843
@prd9843 6 жыл бұрын
then why the heck are you here? sshooo!! get the hell out!
@ahmednor5806
@ahmednor5806 2 жыл бұрын
🙏🌹
@vikrantvijit1436
@vikrantvijit1436 3 жыл бұрын
Wonderful teaching style of technical complex concepts on internet perhaps world best about the Radio Silent Art of beauty that kills beasty Sound of Science As a Signal at Attack Surfaces deep seated Spheres Influencing Work Life and death facing Issues.
@kiraal3619
@kiraal3619 4 жыл бұрын
thanks a lot
@NassimDhaher
@NassimDhaher 7 жыл бұрын
at 28:00 you say:"Interference happens at the receiver", but won't the sender receive the responses from the "receiver" as well and therefore become a receiver. Or you meant to say interference happens on reception of signal???
@spiderx01
@spiderx01 2 жыл бұрын
Hello, what is controlling power output of the access point? Voltage or amperage? What increases or decreases the transmission power?
@Cinncinnatus
@Cinncinnatus Жыл бұрын
wattage.... ie was both... typically voltage is a fixed point due to hardware limitations (now...) so its mainly amperage but it very well can be both. but since almost no-one deals with HV amplifiers now its pretty much always amps now but you really dont even deal with that due to frequency based modulation not amplitude. and if we talking your home wifi set it to the lowest possible setting that still lets you get a signal without issues. eg. my home 2.4/5ghz wifi runs @ 1/4 watt vs the default of 1 watt
@andrewlankford9634
@andrewlankford9634 6 жыл бұрын
Wireless Lan Success (C) (TM) !
@swethareddy3465
@swethareddy3465 7 жыл бұрын
What unique concerns must be addressed by the designer of a WLAN network?
@Hazwan-ud7mz
@Hazwan-ud7mz 4 жыл бұрын
this good video
@tuantrungchauhoang6325
@tuantrungchauhoang6325 3 жыл бұрын
Trainning's voice sound like from Kevin Wallace , right?
@Cpripri85
@Cpripri85 Жыл бұрын
If anyone reads this can they please direct me to radio frequency training for tower climbers I'm trying to find a review course online while I'm waiting for my own industry to provide me with the class for some reason I cannot find anything online
@akhileshkumar-fu6of
@akhileshkumar-fu6of 7 жыл бұрын
Excellent explanation sir But how to change 11 and 12 dbm in mw by your 3 and 10 technique
@JonathanWaltersDrDub
@JonathanWaltersDrDub 7 жыл бұрын
The premise for that quick chart is that 10^(0.3) = 2 approxmiately. For increasing 1 dBm we would see that 10^(0.1)=1.25 so we would multiply the original power by 1.25 to increase its strength.
@georgecuclea7770
@georgecuclea7770 4 жыл бұрын
11dBm = 20dBm-3dBm-3dBm-3dBm 11dBm= 100mW/(2*2*2)=100mW/8=12.5mW and 12dBm= 3dBm+3dBm+3dBm+3dBm 12dBm=2mW*2mW*2mW*2mW=16mW
@marekz6656
@marekz6656 5 жыл бұрын
Where are you rushing like that? Any consideration for listeners?
@jerkshop
@jerkshop 5 жыл бұрын
Hello is 80 and 160 recommended today for 5ghz
@RBzee112
@RBzee112 4 жыл бұрын
No
@IvoBiermans
@IvoBiermans 4 жыл бұрын
For home use you could get away with 80. For a business I would stick with 20, or if it's low density 40.
@SaiPawan012
@SaiPawan012 8 жыл бұрын
What about Omnipeek in analysis of network?
@Rudebwoy22
@Rudebwoy22 7 жыл бұрын
How r u pawan
@kimberlycoffey7395
@kimberlycoffey7395 6 жыл бұрын
yup
@Zephanyahh
@Zephanyahh 3 жыл бұрын
Brah, I have known this for years and they made a certificate for it??? What!?
@Hazwan-ud7mz
@Hazwan-ud7mz 4 жыл бұрын
sorry... can you make subtitle in indonesian language in this video?
@hazwanthesolutions6320
@hazwanthesolutions6320 4 жыл бұрын
@@cupcupcup1802 wkwk i didn't need it again
@abhijithboppe1870
@abhijithboppe1870 5 жыл бұрын
what is rf duty cycle and how is it different from PWM duty cycle
@ahemednor5201
@ahemednor5201 2 жыл бұрын
🙏🙏🌹🌹
@brianvandenberg4467
@brianvandenberg4467 6 жыл бұрын
7:00 7:27 not .762 or .223 They did a good job didn't they....But you cant live on the spacestation #Fukushima js
@onemorething100
@onemorething100 2 жыл бұрын
Can you honestly say that these bands are innocuous and pose no harm to human life?
@user-kn6sz8hx1n
@user-kn6sz8hx1n 7 ай бұрын
I can hear 6ou
@kmilo4307
@kmilo4307 7 жыл бұрын
too fast for beginners
@rahnstoewhale7756
@rahnstoewhale7756 6 жыл бұрын
hey
@brianvandenberg4467
@brianvandenberg4467 6 жыл бұрын
ISM Industrial Scientific Medical unlicensed Frequencies....What could go wrong...I want my Software and my Frequencies back...Stop using my tech to ping & exacerbate unstable situations....#Explain #Parkland #ColumbineMassacre #SandyHook You cant live on the Spacestation...we found #Solutions I want my Frequencies, Software, & Tech back @Outcomes_Matter
@uss-usaf-atlantis
@uss-usaf-atlantis Жыл бұрын
No wlan ... its wifi ...
@duanenickerson7055
@duanenickerson7055 6 жыл бұрын
#WHAT
@hussydevids2384
@hussydevids2384 3 жыл бұрын
The wretched wilderness speculatively point because drama iteratively step up a enchanting latency. nappy, foamy cat
@mithunt4455
@mithunt4455 7 жыл бұрын
thank you
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