It certainly does, and in that recording the wifi itself is idling; its using a low data rate polling to see if it has any friends lol 73, Jarrad VK3BL :)
Can you play a UA-cam video or download a file while scanning? I've picked up wifi noise on a small headphone amp I made. It's not loud but you can hear it.
I was messing around in KiwiSDR and was listening to the sounds various types of encoded data (FAX, FSK, FT8, etc.) and got the burning question about WiFi. Thanks for uploading this, very interesting!
Please excuse the cracking - we tried a different recording device but it turned out our lapel mic is broken! A new one and some spares have been ordered :) A acronyms & technologies used: DSSS = Discrete Sequenced Spread Spectrum QAM = Quadrature Amplitude Modulation OFDM = Orthogonal Frequency Division Multiplexing
Hi Jarrad, thanks a lot for the video! Anyway, here's a bit of input from someone who did do the university education in this topic: The DSSS info is not actually correct. IEEE 802.11 and 802.11b use DSSS (in present, because new routers still support the 20-years old standard and many will even switch to it if you try to use multicasting, reducing your network speed to 2 Mb/s! ). DSSS, although is uses the spreading sequences, does not have multiple carriers, instead it's a single signal with very wide bandwidth, which is later compressed by the receiver. The IEEE 802.11a/g/n/ac etc. all use OFDM. The OFDM does have a number of subcarriers, but in this case, it's a bit overstated in the video. The actual number of subcarriers in 20 MHz channel is just 64. The 40 MHz channels have 128 subcarriers and so on. Do note that not all subcarriers actually carry data. Some are so-called null subcarriers, and no power is allocated to them. They're used to correct for the non-linearity of power amplifiers. Some are so-called pilot subacarriers, which always carry predetermined data. You can think of them as signals used to test propagation: The receiver know what to expect there, and can then adapt its own DSP, in order to correct for any problems, if possible. Then, we have the actual useful subcarriers, which might be as simple as the BPSK, which is known to hams from PSK31, and might go as complex as 1024-QAM in the upcoming IEEE 802.11ax standard. Also, a single WiFi subcarrier is around 300 kHz wide, By the way, just a sidenote: Do you happen to have any Bluetooth devices? A traditional Bluetooth channel is 1 MHz wide, so it should be possible to fit one entire channel onto the spectrum display of the IC-R8600.
I remember hearing the TV screen when I was a kid with fresh ears, my slightly younger relatives said the same thing. Are there any modern technologies for public use that make high frequency noises that kids and humans with good ears can pick up?
And thats only a small fraction of it; the simple fact of the matter is humans can only hear 20kHz, where modern wifi can be 160mHz wide! 73, Jarrad VK3BL
I only can afford RTL-SDR USB dongle and laptop to 'see' radio waves on air. I found that 900MHz band for GSM network also cool., or TETRA network around 384 MHz .. or LTE 2.6 GHz... Today is a digital era, recognizable sounds are getting harder to RX. For the RX comparison test, please do include the R8600 too. :) Thanks for sharing knowledge. de 9W2GNU, 73
> Sounds and Looks Like The span of the waterfall was 20 MHz. It shows the beeps and burps are scattered around the 20 MHz channel. But, each beep and burp sounds the same when the receiver is in AM mode. In AM, all you're hearing is the different frequencies turning on and off quickly, which isn't too interesting. Whether a frequency turns on and off at the bottom of the AM passband, the middle of the AM passband, or the top of the AM passband, they all make the same sound -- on AM. A little more "sound enlightenment" could have been had by switching to SSB (single sideband). Then, all the different beeps and burps on different frequencies would demodulate into different tones out the loudspeaker, which would have been a lot more musical. If the IC-R8600 is incredibly flexible, then in SSB, you may be able to increase the receiving bandwidth to 20 kHz, which is a tiny slice of the 20 MHz that is occupied by the WiFi signal. But if you listen to a 20 kHz slice anywhere inside that 20 MHz activity in SSB, there would still be enough action even inside that [relatively tiny] 20 kHz slice to hear a nice digital symphony. Theoretically, the SSB receiving bandwidth could be increased to 20 MHz, to include the entire WiFi signal. But since the best, youngest, human ears can only hear up to 20 kHz, there would be nothing gained by increasing the receiving bandwidth more than 20 kHz. In practice, if your receiver has that much flexibililty, you could keep increasing the bandwidth to add higher and higher-pitch tones to the symphony you're hearing. Keep increasing the bandwidth until you've reached the limit of the highest frequencies you can hear -- going for maximum symphony.
The puttering sound reminds me of spark-gap CW. WiFi transmits a maximum of 600 "beacon frames" per minute, the same pace as continuous dits at 24 wpm (or the idle note of a heavy single-cylinder motor). Each pulse is a complete CQ call: station identification, capabilities, tuning/decoding parameters, and traffic control for the net. We're only hearing less than 1/1000 of the occupied bandwidth. Multiple APs will share the channel by listening before transmission. WiFi uses either DSSS or OFDM depending on the operating mode. If the network is configured with support for 802.11b devices, it must be using DSSS, otherwise probably ODFM. I'm curious whether the difference is audible - in theory both should sound like quiet wide noise. A simplified description of DSSS is ring modulation with a pseudo-random sub-carrier - the subcarrier is periodic but rich in harmonics. There is only one subchannel but DSSS spreads it over a much wider bandwidth than the keyed signal. Narrow bandwidth receivers hear only noise and conversely DSSS devices hear narrow interference as noise. The OFDM modes of 802.11g divide the 20 MHz bandwidth into 64 sub-carrier frequencies. 4 are BPSK pilot signals. The receiver synchronizes its local oscillator to these pilot signals and automatically adjusts its phase response: four band complex AGC. 48 data channels are recovered and demodulated through QAM (similar to DSB) keyed at 250,000 symbols per second, 80% duty cycle. 8 sub-frequencies are left silent. Depending on mode, there can be 1, 2, 4, 6 bits per symbol. At that point the signal is almost-digital (shades of gray between 1 and 0) and still striped across 48 separate streams so an error-correcting decoder shuffles the bits around and recovers the data. All IF processing is done digitally. Analog solid state ICs do amazing things too (including the 2.4 GHz heterodyne) but near perfect phase response over 20MHz is probably asking too much.
I'm not sure if he can do it if your radio is fully unlocked but why don't you get one of those old amps phones that's on 860 or 890 and listen to one of those
I must confess we don’t have any in the shack or know of anyone with one, plus it would be illegal to transmit with. We could have demonstrated a 3G/4G phone though... pity we didn’t think of it and have returned the loan unit. 73, Jarrad VK3BL
Unfortunalely we have returned our loan unit, and it isn’t suited for 2.4GHz WiFi direction finding an analysis either; your average laptop with free software will do a better job due to its WiFi chip implementing dual or triple antennas with realtime, phase coherent diversity receive. 73, Jarrad VK3BL
Is the wifi being actively used though? Not like stuff is just connected but actively drawing data other than the usual diagnostic crap like your phones time and date.
Well, besides breaking FCC laws, it wouldn't be near as fast as 2GHz and your phone/computer probably wouldn't be able to communicate correctly with the router/modem.
I am not an amateur yet. I do not understand If I look at the top of the line amateur equipment I could spend ungodly amounts of money for equpment. Assuming I got a Extra Ticket I could use all the stuff I bought. Why do I want to listen to motor boating and look at a cascade of sound on a spectrum scope?
😍😍😍 that's a V4 SOUND ENGINE. now I can turn my radio into a engine simulator for my electric solar bike so people will think I am having a V4 engine. I planned to buy an engine simulator for $200. But you saved me with your ideea. Now, I am gonna do a crystal radio tunned to 2.4ghz for a free energy engine simulator 🥰
Rate My Radio Well, I have the Icom 8500, a non-sdr type Wideband receiver. I basically use it for everything from shortwave listing to police and local government monitoring. I’ve never used it near 1 ghz as my antennas are limited to HF and vhf and uhf and then some. Most of those goodies you need a array of antennas to enjoy. I don’t use it to listen to cordless or cell phones - wink 😉... You will find that receivers like this outperform most low-mid priced Ham radios in overall general coverage receiving, better dynamic range and sensitivity. I know it doesn’t apply to high end rigs like my Yaesu 5000 or your 7610 perhaps. There are so many decodable signals everywhere on the bands above 30 MHz in the states anyway. I’m sure your local frequency distribution is quite different in AU. If you’re interested in listening to your local McDonald’s and other drive thru’s , it’s a blast. But don’t transmit on those frequencies 😉. Overall these type of radios are fun to use and offer good performance considering the band coverage, wide-band radios are compromised a bit because of the extreme wide band coverage, but maybe that radio is an exception. My Kenwood R-5000 seems to outperform my Icom 8500 on HF a bit as it’s geared towards those bands. Im not sure about that radio. Also, you need to be careful what high band antenna you use as my 8500 was damaged using a disclone because of static built up, I didn’t bleed off the antenna system correctly, so the radio made its way to our local Icom repair center for a rather pricey fix. So use a DC grounded antenna or remember to property setup your antenna system. I would definitely buy that if I didn’t already have the 8500.. Have fun..
hi again, I revisited this video again, because the 2.4 GHz insterest me.. I discussed with my ham friends, about micorwave oven. I said, if we fear about RF leaks from microwave oven, we can use receiver which can RX 2.4 GHz.. and 'see' how high the signal level.... :) So, this receiver coms handy for the purpose.. Other methods are, playaing this YouTUve video or other video streaming on smartphone through 2.4GHz wifi.. Put it into the microwave an close the door, If the video stopped, it's mean the microwave oven's RF sheild is most probably still working.. Remember, not to start mcrowaving the phone.. :) If there is any ideas or methods, please share.. :) Thank you. Bahathir 9W2GNU, 73.
Very good points Bahathir! From what I have read microwave seals tend to be very durable - I even tested our 40 year old Samsung and it was still fine! That said, the usage of ‘tools’ such as an phone with wireless to confirm a microwave isnt leaking is very much in the amateur spirit! 73 my dear friend, Jarrad VK3BL
@@RateMyRadio QSL and Thank you for the reply. One of my ham friend does not want to own the microwave oven due to the RF leak. Remember that, microwave oven produces abut 1kW of RF power. So we have to be very cautious about RF leak. Talking about RF leak, we also can use receiver or small AM/SW pocket radio, to detect any leak from feedline., especially who operate at QRO several hundreds of watts or kW. So, becareful handling RF and take care, an stay safe. Thank you again. :)
Can we also listen to your microwave oven? Just kidding. Besides, microwave ovens, 2.4 Ghz phones, Police Radar guns and WiFi, is there much to listen to above the 124o Ghz ham band? I imagine a lot of digital signals of various types, but is there any voice usage up there?
Your premiss is flawed. Wifi is a data transmission. Your receiver is just giving you its analog audio interpretation of that transmission. Basically it's like someone trying to translate english to french without any knowledge of english.
2.4GHz is not bad for you at the low powers that wifi routers and client devices transmit at. Microwave ovens use 2.4GHz, but at much higher power. You're talking 100mW vs 1000 watts! The worst something in the 2.4GHz band is going to do to you is heat you up. It could burn you if you're close enough to it at high power. You also have to keep the inverse square law in mind. The intensity of the transmission drops quickly as you get further away from the transmission source. You also have to keep in mind the difference between ionizing radiation, and non-ionizing radiation. So it will not cause cancer. Your worst problem with 2.4GHz is RF burns. But as long as you're not transmitting at 1000 watts, and standing right next to the transmitter, you'll be fine.
That sounds like a boat motor idling.
It certainly does, and in that recording the wifi itself is idling; its using a low data rate polling to see if it has any friends lol 73, Jarrad VK3BL :)
Sounds like my face in some tiddies.
@@RateMyRadio is there any way to cancel that out?
Can you play a UA-cam video or download a file while scanning? I've picked up wifi noise on a small headphone amp I made. It's not loud but you can hear it.
I was messing around in KiwiSDR and was listening to the sounds various types of encoded data (FAX, FSK, FT8, etc.) and got the burning question about WiFi. Thanks for uploading this, very interesting!
WPA2 PSK: ÆeeeeeeeeeeGhhhhhhhhhmmmmmmoooooo
skip to 4:02 to hear the audio
I see the waterfall alternating between green and blue, but don't hear a corresponding change in the sound.
Please excuse the cracking - we tried a different recording device but it turned out our lapel mic is broken! A new one and some spares have been ordered :)
A acronyms & technologies used:
DSSS = Discrete Sequenced Spread Spectrum
QAM = Quadrature Amplitude Modulation
OFDM = Orthogonal Frequency Division Multiplexing
Hi Jarrad, thanks a lot for the video!
Anyway, here's a bit of input from someone who did do the university education in this topic:
The DSSS info is not actually correct. IEEE 802.11 and 802.11b use DSSS (in present, because new routers still support the 20-years old standard and many will even switch to it if you try to use multicasting, reducing your network speed to 2 Mb/s! ). DSSS, although is uses the spreading sequences, does not have multiple carriers, instead it's a single signal with very wide bandwidth, which is later compressed by the receiver.
The IEEE 802.11a/g/n/ac etc. all use OFDM.
The OFDM does have a number of subcarriers, but in this case, it's a bit overstated in the video. The actual number of subcarriers in 20 MHz channel is just 64. The 40 MHz channels have 128 subcarriers and so on. Do note that not all subcarriers actually carry data. Some are so-called null subcarriers, and no power is allocated to them. They're used to correct for the non-linearity of power amplifiers. Some are so-called pilot subacarriers, which always carry predetermined data. You can think of them as signals used to test propagation: The receiver know what to expect there, and can then adapt its own DSP, in order to correct for any problems, if possible. Then, we have the actual useful subcarriers, which might be as simple as the BPSK, which is known to hams from PSK31, and might go as complex as 1024-QAM in the upcoming IEEE 802.11ax standard.
Also, a single WiFi subcarrier is around 300 kHz wide,
By the way, just a sidenote: Do you happen to have any Bluetooth devices? A traditional Bluetooth channel is 1 MHz wide, so it should be possible to fit one entire channel onto the spectrum display of the IC-R8600.
I remember hearing the TV screen when I was a kid with fresh ears, my slightly younger relatives said the same thing. Are there any modern technologies for public use that make high frequency noises that kids and humans with good ears can pick up?
Wow, I've always wondered what wifi looked like. Nice video :)
Thanks Buddy! I was hoping someone else out there would appreciate it :). Cheers, Jarrad
Hi gentleman
from north iraq
Thank you
I exactly wanted to hear widi sound
Peace and love
Btw its winter here
Peace and love :) stay well, love to Iraq
Sounds like a mopar smallblock with open headers idling. Nice.
Hey can you do the same thing for bluetooth like when streaming audio to a bluetooth speaker since it's in the same frequency range.
I sure hope Icom releases newer versions of the firmware for the R8600.
The amount of bandwidth used is incredible - 40 Mhz across the band per channel. So much data!
Sounds like a Harley Davidson motorcycle idling high.
And thats only a small fraction of it; the simple fact of the matter is humans can only hear 20kHz, where modern wifi can be 160mHz wide! 73, Jarrad VK3BL
I only can afford RTL-SDR USB dongle and laptop to 'see' radio waves on air.
I found that 900MHz band for GSM network also cool., or TETRA network around 384 MHz .. or LTE 2.6 GHz...
Today is a digital era, recognizable sounds are getting harder to RX.
For the RX comparison test, please do include the R8600 too. :)
Thanks for sharing knowledge.
de 9W2GNU, 73
Another way you can do this is set you phone on top of a electronic guitar while its plugged into an amp
I want to scan 10khz - 300khz in CW mode can this be accomplish ? Looking for transmissions to submarine, Thank you ,Maxton
> Sounds and Looks Like
The span of the waterfall was 20 MHz. It shows the beeps and burps are scattered around the 20 MHz channel.
But, each beep and burp sounds the same when the receiver is in AM mode. In AM, all you're hearing is the different frequencies turning on and off quickly, which isn't too interesting. Whether a frequency turns on and off at the bottom of the AM passband, the middle of the AM passband, or the top of the AM passband, they all make the same sound -- on AM.
A little more "sound enlightenment" could have been had by switching to SSB (single sideband). Then, all the different beeps and burps on different frequencies would demodulate into different tones out the loudspeaker, which would have been a lot more musical.
If the IC-R8600 is incredibly flexible, then in SSB, you may be able to increase the receiving bandwidth to 20 kHz, which is a tiny slice of the 20 MHz that is occupied by the WiFi signal. But if you listen to a 20 kHz slice anywhere inside that 20 MHz activity in SSB, there would still be enough action even inside that [relatively tiny] 20 kHz slice to hear a nice digital symphony.
Theoretically, the SSB receiving bandwidth could be increased to 20 MHz, to include the entire WiFi signal. But since the best, youngest, human ears can only hear up to 20 kHz, there would be nothing gained by increasing the receiving bandwidth more than 20 kHz. In practice, if your receiver has that much flexibililty, you could keep increasing the bandwidth to add higher and higher-pitch tones to the symphony you're hearing. Keep increasing the bandwidth until you've reached the limit of the highest frequencies you can hear -- going for maximum symphony.
The puttering sound reminds me of spark-gap CW. WiFi transmits a maximum of 600 "beacon frames" per minute, the same pace as continuous dits at 24 wpm (or the idle note of a heavy single-cylinder motor). Each pulse is a complete CQ call: station identification, capabilities, tuning/decoding parameters, and traffic control for the net. We're only hearing less than 1/1000 of the occupied bandwidth.
Multiple APs will share the channel by listening before transmission.
WiFi uses either DSSS or OFDM depending on the operating mode. If the network is configured with support for 802.11b devices, it must be using DSSS, otherwise probably ODFM. I'm curious whether the difference is audible - in theory both should sound like quiet wide noise.
A simplified description of DSSS is ring modulation with a pseudo-random sub-carrier - the subcarrier is periodic but rich in harmonics. There is only one subchannel but DSSS spreads it over a much wider bandwidth than the keyed signal. Narrow bandwidth receivers hear only noise and conversely DSSS devices hear narrow interference as noise.
The OFDM modes of 802.11g divide the 20 MHz bandwidth into 64 sub-carrier frequencies. 4 are BPSK pilot signals. The receiver synchronizes its local oscillator to these pilot signals and automatically adjusts its phase response: four band complex AGC. 48 data channels are recovered and demodulated through QAM (similar to DSB) keyed at 250,000 symbols per second, 80% duty cycle. 8 sub-frequencies are left silent. Depending on mode, there can be 1, 2, 4, 6 bits per symbol.
At that point the signal is almost-digital (shades of gray between 1 and 0) and still striped across 48 separate streams so an error-correcting decoder shuffles the bits around and recovers the data.
All IF processing is done digitally. Analog solid state ICs do amazing things too (including the 2.4 GHz heterodyne) but near perfect phase response over 20MHz is probably asking too much.
i would love to own this cause im into this more than i was before
I'm not sure if he can do it if your radio is fully unlocked but why don't you get one of those old amps phones that's on 860 or 890 and listen to one of those
I must confess we don’t have any in the shack or know of anyone with one, plus it would be illegal to transmit with. We could have demonstrated a 3G/4G phone though... pity we didn’t think of it and have returned the loan unit. 73, Jarrad VK3BL
2.4 ghz makes the water molecules rotate on their axis
What’s with the audio drops?
For $2500 I would expect the display and construction to reflect the price.
The IC-R8600 feels every way as solid as the popular IC-7300 :)
Yeah crappy gimmick fad technology working it's way into even professional electronics. Fucking pathetic.
@@KandiKlover why so mad bro
Its not about the fit and finish. Its about what the instrument is capable of.
@@noobpro9759 I'd agree with you it was $500 dollars cheaper. at that price it needs a sexier casing
Please make a video about Icom. R 8600 For Recieving signal Direction and signal distence or Degree .thanks
Unfortunalely we have returned our loan unit, and it isn’t suited for 2.4GHz WiFi direction finding an analysis either; your average laptop with free software will do a better job due to its WiFi chip implementing dual or triple antennas with realtime, phase coherent diversity receive. 73, Jarrad VK3BL
Does it have a port to send the data to a computer or video screen for a wifi cam?
Unfortunately not, however you can buy optional software from Icom for this purpose. 73, Jarrad VK3BL
Did you say Florian transformation ? I'm looking for something of an introduction to that topic. Can't find anything on Wikipedia or UA-cam
Okay, got it. Florian Cajori
Good place to start
Fourier
@@Louis66666666
Thank you
Is the wifi being actively used though? Not like stuff is just connected but actively drawing data other than the usual diagnostic crap like your phones time and date.
What would happen if
We broadcast wifi signal on fm band 88 -108mhz it has long range about 30 to 60 km
Well, besides breaking FCC laws, it wouldn't be near as fast as 2GHz and your phone/computer probably wouldn't be able to communicate correctly with the router/modem.
I am not an amateur yet. I do not understand If I look at the top of the line amateur equipment I could spend ungodly amounts of money for equpment. Assuming I got a Extra Ticket I could use all the stuff I bought. Why do I want to listen to motor boating and look at a cascade of sound on a spectrum scope?
Because science!
It sounds just like the sound of a fast pulsar
As I was watching this my bluetooth headphones were skipping and I thought "huh what a coincidence that bluetooth is 2.4 ghz as well"
i was just curious what wifi sounded like and what a coincidence i ended up watching another fellow HAM's video haha
im M7MCR
Does it decode CTCSS and DCS?
Sounds like our 1941 McCormick Farmall tractor at idle
Hi Can you listen to Fm 88 __ 108 mHZ radio ?
Yes you certainly can :)
How about lightning static can you listen 10 khz to check if the weather approching ?
@@alicomando1195 do you mean Lightning Sferics?
@@doramilitiakatiemelody1875 yes
Sweet rig.
I have a Aldam Pluto SDR that can go all the way up to 6 GHz
😍😍😍 that's a V4 SOUND ENGINE. now I can turn my radio into a engine simulator for my electric solar bike so people will think I am having a V4 engine.
I planned to buy an engine simulator for $200. But you saved me with your ideea. Now, I am gonna do a crystal radio tunned to 2.4ghz for a free energy engine simulator 🥰
That’s a sweet receiver..
Its pretty amazing Mark. We've only got it in the shack on loan for a month, so if you have any ideas of how to test it out let us know :)
73, Jarrad
Rate My Radio Well, I have the Icom 8500, a non-sdr type Wideband receiver. I basically use it for everything from shortwave listing to police and local government monitoring. I’ve never used it near 1 ghz as my antennas are limited to HF and vhf and uhf and then some. Most of those goodies you need a array of antennas to enjoy.
I don’t use it to listen to cordless or cell phones - wink 😉... You will find that receivers like this outperform most low-mid priced Ham radios in overall general coverage receiving, better dynamic range and sensitivity. I know it doesn’t apply to high end rigs like my Yaesu 5000 or your 7610 perhaps. There are so many decodable signals everywhere on the bands above 30 MHz in the states anyway. I’m sure your local frequency distribution is quite different in AU. If you’re interested in listening to your local McDonald’s and other drive thru’s , it’s a blast.
But don’t transmit on those frequencies 😉. Overall these type of radios are fun to use and offer good performance considering the band coverage, wide-band radios are compromised a bit because of the extreme wide band coverage, but maybe that radio is an exception. My Kenwood R-5000 seems to outperform my Icom 8500 on HF a bit as it’s geared towards those bands. Im not sure about that radio. Also, you need to be careful what high band antenna you use as my 8500 was damaged using a disclone because of static built up, I didn’t bleed off the antenna system correctly, so the radio made its way to our local Icom repair center for a rather pricey fix. So use a DC grounded antenna or remember to property setup your antenna system. I would definitely buy that if I didn’t already have the 8500.. Have fun..
Anyone looking for images like theyre clouds or something?
Isn't Wifi 2.4ghz 2400 khz on SW
It sounds like a Dragster car idling
Starts at 3:20
Wish I would've seen this before the end of the video.
add a shot of graphene to that and you can really start to hop
silly that's a hurley Davidson sound.
sounds like the woodpecker
hi again,
I revisited this video again, because the 2.4 GHz insterest me..
I discussed with my ham friends, about micorwave oven. I said, if we fear about RF leaks from microwave oven, we can use receiver which can RX 2.4 GHz.. and 'see' how high the signal level.... :) So, this receiver coms handy for the purpose..
Other methods are, playaing this YouTUve video or other video streaming on smartphone through 2.4GHz wifi.. Put it into the microwave an close the door, If the video stopped, it's mean the microwave oven's RF sheild is most probably still working.. Remember, not to start mcrowaving the phone.. :)
If there is any ideas or methods, please share.. :)
Thank you.
Bahathir 9W2GNU, 73.
Very good points Bahathir! From what I have read microwave seals tend to be very durable - I even tested our 40 year old Samsung and it was still fine! That said, the usage of ‘tools’ such as an phone with wireless to confirm a microwave isnt leaking is very much in the amateur spirit! 73 my dear friend, Jarrad VK3BL
@@RateMyRadio
QSL and Thank you for the reply.
One of my ham friend does not want to own the microwave oven due to the RF leak. Remember that, microwave oven produces abut 1kW of RF power. So we have to be very cautious about RF leak.
Talking about RF leak, we also can use receiver or small AM/SW pocket radio, to detect any leak from feedline., especially who operate at QRO several hundreds of watts or kW.
So, becareful handling RF and take care, an stay safe.
Thank you again. :)
sounds like marine engine muffler in water:)
Can we also listen to your microwave oven? Just kidding. Besides, microwave ovens, 2.4 Ghz phones, Police Radar guns and WiFi, is there much to listen to above the 124o Ghz ham band? I imagine a lot of digital signals of various types, but is there any voice usage up there?
Extraterrestrial signals in the water hole frequency 2.3GHz real time SETI !!
So close to russian woodpecker...
Cant believe humans can hear that
And you've paid 2.5k to listen to that wtf
Sounds like a radar...
Your premiss is flawed. Wifi is a data transmission. Your receiver is just giving you its analog audio interpretation of that transmission. Basically it's like someone trying to translate english to french without any knowledge of english.
We know that, but none the less no one has put up a decent video of an 'analog audio interpretation' of WiFi.
What an odd sound
First 3.5m is jibberish talking.
It sounds like a continuous fart 😂😂
I shouldn’t be laughing this stuff is harmful to our health
Wireless Charging is bad for you, not Wi-Fi.
@@dnb5661 WiFi is bad you dipshit, stop being ignorant, cant tell if just ignorant or a smart grid bot mind replacement non-human
2.4GHz is not bad for you at the low powers that wifi routers and client devices transmit at. Microwave ovens use 2.4GHz, but at much higher power. You're talking 100mW vs 1000 watts! The worst something in the 2.4GHz band is going to do to you is heat you up. It could burn you if you're close enough to it at high power. You also have to keep the inverse square law in mind. The intensity of the transmission drops quickly as you get further away from the transmission source.
You also have to keep in mind the difference between ionizing radiation, and non-ionizing radiation. So it will not cause cancer. Your worst problem with 2.4GHz is RF burns. But as long as you're not transmitting at 1000 watts, and standing right next to the transmitter, you'll be fine.
@@BrandonWare You, sir, are both a tinfoil hat doomsday tweaker, and an ignorant, rude idiot.
@@BrandonWare PROVE THIS POINT WITH *SUPPORTED* EVIDENCE. THEN GO AROUND SAYING THIS b$
I can hear wifi without hearing aides. It's annoying. That's not what it sounds like. It's a constant high pitch