{"video_id":"fp_aKHR1RimO2","title":"RF Chamber Tour with Jake Daynes","channel":"FP Exclusives","show":"FP Exclusives","published_at":"2023-06-16T18:32:00.027Z","duration_s":1362,"segments":[{"start_s":0.0,"end_s":6.96,"text":"Hey MTV, welcome to my crib. Oh, I mean, sorry, prong video. Hey Flow Play, this is Jake here in the lab, and today","speaker":null,"is_sponsor":0},{"start_s":6.96,"end_s":13.64,"text":"I'm doing a deep dive on our new Raymond EMC supplied RF chamber. Raymond EMC, these guys huge shout out once again","speaker":null,"is_sponsor":0},{"start_s":13.92,"end_s":18.8,"text":"They provided this whole thing for us, and they were a huge help with getting some of the equipment that we need","speaker":null,"is_sponsor":0},{"start_s":19.2,"end_s":22.36,"text":"And getting everything started. So without further ado","speaker":null,"is_sponsor":0},{"start_s":24.24,"end_s":26.58,"text":"The most satisfying door in this place","speaker":null,"is_sponsor":0},{"start_s":27.34,"end_s":34.22,"text":"This is the Raymond EMC quiet door, and I know Linus showed this off before","speaker":null,"is_sponsor":0},{"start_s":34.58,"end_s":39.3,"text":"But this is a knife edge that goes into some brilliant copper finger stock","speaker":null,"is_sponsor":0},{"start_s":39.9,"end_s":43.7,"text":"And I've seen a lot of people asking questions around, you know","speaker":null,"is_sponsor":0},{"start_s":43.9,"end_s":52.86,"text":"What's the maintenance like on on this kind of thing? Especially because we reference that one of the screws is actually out of torque and that caused a leakage at 18 gigahertz","speaker":null,"is_sponsor":0},{"start_s":53.02,"end_s":55.98,"text":"So with this we actually have a duty cycle","speaker":null,"is_sponsor":0},{"start_s":57.14,"end_s":62.66,"text":"Every hundred times this door is open and closed. We've got to wipe all the contact surfaces around the outside","speaker":null,"is_sponsor":0},{"start_s":63.38,"end_s":68.38,"text":"Every thousand cycles we have to inspect and lubricate all the moving parts and every 5,000 cycles","speaker":null,"is_sponsor":0},{"start_s":68.38,"end_s":72.26,"text":"We actually have to polish all the contact surfaces and check the door alignment","speaker":null,"is_sponsor":0},{"start_s":72.9,"end_s":78.98,"text":"Raymond EMC is actually we coming back out to film a maintenance video for this that they'll have on their channel and","speaker":null,"is_sponsor":0},{"start_s":79.94,"end_s":84.5,"text":"To do this basically we use methyl spirits and a brillo pad. So it's nothing too crazy","speaker":null,"is_sponsor":0},{"start_s":84.98,"end_s":91.06,"text":"But it does present a bit of a challenge for Height challenged individuals like Linus to get up to the top of the door","speaker":null,"is_sponsor":0},{"start_s":91.34,"end_s":98.9,"text":"so Another thing that people have been asking is, you know, what are we doing with the electromagnetic interference and EMI off the cameras?","speaker":null,"is_sponsor":0},{"start_s":99.18,"end_s":104.66,"text":"Etc. And even the lighting so one thing we're not going to be filming the tests","speaker":null,"is_sponsor":0},{"start_s":104.78,"end_s":110.08,"text":"We will film recreations afterwards, but we're going to use the actual clean test data. So with the lighting","speaker":null,"is_sponsor":0},{"start_s":110.56,"end_s":117.16,"text":"EMI is actually a big consideration. Thankfully Constellation lighting down in the States. They make these link","speaker":null,"is_sponsor":0},{"start_s":117.8,"end_s":120.6,"text":"LED systems and these are mil spec","speaker":null,"is_sponsor":0},{"start_s":120.96,"end_s":125.96,"text":"So they're military standard 461g tested for zero EMI emission","speaker":null,"is_sponsor":0},{"start_s":126.4,"end_s":133.92,"text":"They're 65 watt 7,000 lumen and we can actually position on two axes so we can kind of adjust lighting in here","speaker":null,"is_sponsor":0},{"start_s":134.64,"end_s":138.52,"text":"That makes it a lot easier to see because when the lights are out and the doors close","speaker":null,"is_sponsor":0},{"start_s":139.52,"end_s":147.24,"text":"It doesn't work so well Over here, these are our negatives for our floor panels. They're actually","speaker":null,"is_sponsor":0},{"start_s":148.16,"end_s":153.88,"text":"Really stable. So we're gonna have our test set up over here. We're gonna be broadcasting on our fire cell","speaker":null,"is_sponsor":0},{"start_s":154.32,"end_s":157.52,"text":"Lab kit that's gonna send signal over in that direction","speaker":null,"is_sponsor":0},{"start_s":157.52,"end_s":163.76,"text":"And we're gonna have our device under test on a pedestal there. Ignore the big blue box. It will not exist and we're all ready","speaker":null,"is_sponsor":0},{"start_s":165.32,"end_s":170.0,"text":"effectively One of the considerations that we have when we're broadcasting","speaker":null,"is_sponsor":0},{"start_s":170.4,"end_s":176.72,"text":"RF is that we can't broadcast too close to the device under test and we can't broadcast it to a high of a power rating","speaker":null,"is_sponsor":0},{"start_s":177.08,"end_s":185.36,"text":"Mainly because you can actually burn out equipment that way So with the lab kit, we're gonna have it positioned about a meter off the wall","speaker":null,"is_sponsor":0},{"start_s":185.44,"end_s":193.44,"text":"And we're gonna have the device under test But the same and the reason for that is if your wavelength is too long so too low of a frequency","speaker":null,"is_sponsor":0},{"start_s":194.04,"end_s":196.84,"text":"If you're too close, it can cause weirdness","speaker":null,"is_sponsor":0},{"start_s":197.32,"end_s":202.04,"text":"They don't call RF black magic for nothing. So we're gonna have it positioned off the wall","speaker":null,"is_sponsor":0},{"start_s":202.04,"end_s":204.84,"text":"We're gonna have about three to four meters in between","speaker":null,"is_sponsor":0},{"start_s":205.24,"end_s":208.44,"text":"And then we'll be able to measure different transmission power levels","speaker":null,"is_sponsor":0},{"start_s":208.44,"end_s":213.44,"text":"I know for for your people Arjun, and I'm gonna say that","speaker":null,"is_sponsor":0},{"start_s":214.2,"end_s":216.2,"text":"in Australia","speaker":null,"is_sponsor":0},{"start_s":218.04,"end_s":222.84,"text":"In Australia these LTE band 28 which is 700 megahertz. It's a fairly low band","speaker":null,"is_sponsor":0},{"start_s":223.48,"end_s":227.0,"text":"And we've had a couple people ask if we're gonna include them testing","speaker":null,"is_sponsor":0},{"start_s":227.0,"end_s":231.92,"text":"I am gonna go through every LTE frequency band. So there will be data on that. Oh, yeah","speaker":null,"is_sponsor":0},{"start_s":232.4,"end_s":238.2,"text":"And one of the really cool things to consider is okay. Well, if you're on a network that's utilizing a","speaker":null,"is_sponsor":0},{"start_s":239.0,"end_s":243.6,"text":"Lower end of the frequency spectrum. You can actually get away with smaller batteries","speaker":null,"is_sponsor":0},{"start_s":244.48,"end_s":247.72,"text":"Just for the simple fact that doesn't draw as much power","speaker":null,"is_sponsor":0},{"start_s":247.84,"end_s":251.16,"text":"So yeah, we're we're gonna be doing some really cool tests on that","speaker":null,"is_sponsor":0},{"start_s":251.56,"end_s":257.24,"text":"I'm meeting with some reps from a couple of the different manufacturers of the spectrum analyzers","speaker":null,"is_sponsor":0},{"start_s":257.92,"end_s":265.48,"text":"So we're looking into Possibly a rodent Schwartz like an FSW 43 or maybe one of the Gauss","speaker":null,"is_sponsor":0},{"start_s":267.32,"end_s":276.48,"text":"One of the G line probably But basically we need a 43 gigahertz spectrum analyzer and that's gonna come down to you know cost","speaker":null,"is_sponsor":0},{"start_s":277.76,"end_s":280.16,"text":"line ass or","speaker":null,"is_sponsor":0},{"start_s":281.16,"end_s":285.36,"text":"In general ease of use, right? I want to get everything running as quickly as possible","speaker":null,"is_sponsor":0},{"start_s":285.76,"end_s":288.88,"text":"So we're gonna try and hit the ground running once everything comes in","speaker":null,"is_sponsor":0},{"start_s":289.32,"end_s":294.56,"text":"In the meantime before we get that though, we do have our lab kit fire cell. It has arrived","speaker":null,"is_sponsor":0},{"start_s":294.56,"end_s":296.56,"text":"It's actually outside if you guys want to go","speaker":null,"is_sponsor":0},{"start_s":298.52,"end_s":304.76,"text":"So I know it doesn't look like much but in these three boxes here, we actually have our 5g and","speaker":null,"is_sponsor":0},{"start_s":305.16,"end_s":309.08,"text":"Our 4g radio as well as the actual main compute unit","speaker":null,"is_sponsor":0},{"start_s":310.32,"end_s":314.76,"text":"These are are really cool These are","speaker":null,"is_sponsor":0},{"start_s":314.76,"end_s":316.76,"text":"this is the actual","speaker":null,"is_sponsor":0},{"start_s":318.04,"end_s":324.04,"text":"Network broadcasts or the SDR. So this is the edis research. It's a usrp b210","speaker":null,"is_sponsor":0},{"start_s":324.16,"end_s":326.6,"text":"So it's 70 megahertz to six gigahertz","speaker":null,"is_sponsor":0},{"start_s":327.28,"end_s":332.08,"text":"Right now. We can't do millimeter wave That upgrade is coming out early next year","speaker":null,"is_sponsor":0},{"start_s":332.68,"end_s":337.2,"text":"In the meantime, however, this is gonna get us kind of 80% of the way there","speaker":null,"is_sponsor":0},{"start_s":337.52,"end_s":342.8,"text":"So we've got our 5g. We have our 4g in here. So we're getting the upgraded millimeter wave 5g","speaker":null,"is_sponsor":0},{"start_s":343.48,"end_s":349.68,"text":"Early next year for our lab kit. We might actually add some equipment in the meantime that will kind of bridge that","speaker":null,"is_sponsor":0},{"start_s":350.24,"end_s":353.64,"text":"I'm actually talking to to one of our viewers. Hopefully next week","speaker":null,"is_sponsor":0},{"start_s":353.92,"end_s":357.68,"text":"Who is in this space and and has some advice for us?","speaker":null,"is_sponsor":0},{"start_s":357.68,"end_s":360.4,"text":"So we're gonna listen and make sure that you know, we're not barking up the wrong tree","speaker":null,"is_sponsor":0},{"start_s":360.96,"end_s":366.76,"text":"and then outside of that You know, this is running our network, but we also need to you know","speaker":null,"is_sponsor":0},{"start_s":367.2,"end_s":374.56,"text":"Have something in there to record tests. So for that, we went with this sira7. It's a completely silent fanless","speaker":null,"is_sponsor":0},{"start_s":375.04,"end_s":377.6,"text":"solid-state PC. It's totally passively cooled","speaker":null,"is_sponsor":0},{"start_s":378.56,"end_s":381.68,"text":"You can tell because it's basically a giant aluminium heatsink","speaker":null,"is_sponsor":0},{"start_s":382.88,"end_s":388.96,"text":"And the reason we went with a solid-state PC is just because there's no fans and fans can generate EMI","speaker":null,"is_sponsor":0},{"start_s":389.12,"end_s":393.44,"text":"So we want to try and minimize that as much as possible. So that's why we wanted that","speaker":null,"is_sponsor":0},{"start_s":394.16,"end_s":399.12,"text":"It's a decent little AMD Ryzen 5. It's a 5000 series","speaker":null,"is_sponsor":0},{"start_s":399.84,"end_s":404.96,"text":"CPU in there Nothing crazy, but we don't really need anything too high spec. So yeah","speaker":null,"is_sponsor":0},{"start_s":405.28,"end_s":410.56,"text":"The other really cool thing is about how we get our network inside the box because obviously can't use wi-fi","speaker":null,"is_sponsor":0},{"start_s":412.0,"end_s":415.76,"text":"And it's this wave guide now one of the really really interesting things with this","speaker":null,"is_sponsor":0},{"start_s":416.48,"end_s":423.68,"text":"Is that this is actually a plug And you notice it has this really really handy late warning label","speaker":null,"is_sponsor":0},{"start_s":424.4,"end_s":427.28,"text":"saying Tempest hazard with plug removed","speaker":null,"is_sponsor":0},{"start_s":428.56,"end_s":431.76,"text":"Now for those of you that don't know what a tempest attack is","speaker":null,"is_sponsor":0},{"start_s":433.04,"end_s":438.88,"text":"It's effectively a way to use rf to eavesdrop on displays. It's really cool","speaker":null,"is_sponsor":0},{"start_s":439.44,"end_s":444.96,"text":"It's not new But there's not really a huge amount of people kind of in the public space that talk about it","speaker":null,"is_sponsor":0},{"start_s":445.52,"end_s":450.16,"text":"Effectively you could be in another room or on the other side of a hotel wall","speaker":null,"is_sponsor":0},{"start_s":451.2,"end_s":455.2,"text":"Broadcast a signal and you can pick up what's going on","speaker":null,"is_sponsor":0},{"start_s":455.76,"end_s":460.4,"text":"On a display and you can set one of these attacks up for like 300 to 400 dollars","speaker":null,"is_sponsor":0},{"start_s":460.96,"end_s":465.44,"text":"If you plus a laptop So one of the things that I really want to do","speaker":null,"is_sponsor":0},{"start_s":465.84,"end_s":472.72,"text":"Possibly for a flow plane exclusive. We'll see is actually run a tempest attack online us in the chamber","speaker":null,"is_sponsor":0},{"start_s":473.6,"end_s":481.12,"text":"Come on we can leak the stream keys again. We can we can find out his emails. We you know everything","speaker":null,"is_sponsor":0},{"start_s":481.12,"end_s":485.76,"text":"It'll be great his life easier, right? So yeah, so if that plug is removed","speaker":null,"is_sponsor":0},{"start_s":486.88,"end_s":491.28,"text":"Boom, it's wide open Yeah, so I think that'll be pretty cool","speaker":null,"is_sponsor":0},{"start_s":491.6,"end_s":494.96,"text":"And finally one of the things that I've seen quite a few people ask is","speaker":null,"is_sponsor":0},{"start_s":495.44,"end_s":499.76,"text":"You know if one screw or bolt out of torque can cause a leak","speaker":null,"is_sponsor":0},{"start_s":500.32,"end_s":509.04,"text":"You know how a how do we maintain that? Um and b why didn't we just weld everything together? Well, these chambers are actually designed to be modular","speaker":null,"is_sponsor":0},{"start_s":509.12,"end_s":511.92,"text":"We can extend this if we need to say we want to","speaker":null,"is_sponsor":0},{"start_s":512.48,"end_s":516.48,"text":"Turn it into a three meter chamber and do full iso compliance tests","speaker":null,"is_sponsor":0},{"start_s":517.12,"end_s":519.6,"text":"We can do that. We get raymond emc to come back out","speaker":null,"is_sponsor":0},{"start_s":520.16,"end_s":523.76,"text":"We re-level this area of the floor and they can extend this as much as we want","speaker":null,"is_sponsor":0},{"start_s":524.32,"end_s":527.6,"text":"So it's designed to be modular and then","speaker":null,"is_sponsor":0},{"start_s":527.6,"end_s":532.96,"text":"Secondly as far as testing to make sure that you know everything's within spec that comes down to the duty cycle","speaker":null,"is_sponsor":0},{"start_s":533.28,"end_s":538.16,"text":"When we're inspecting any of the moving parts and things And we can actually do signal generator","speaker":null,"is_sponsor":0},{"start_s":539.04,"end_s":544.48,"text":"Via spectrum analyzer tests so we can have it broadcasting inside and we can go around and we can measure the outside","speaker":null,"is_sponsor":0},{"start_s":545.12,"end_s":552.4,"text":"It's not something we're going to have to do often But we'll probably end up doing it probably once every four to six months","speaker":null,"is_sponsor":0},{"start_s":552.96,"end_s":557.68,"text":"Just to make sure everything's working well I might even do a spot check once a month","speaker":null,"is_sponsor":0},{"start_s":558.32,"end_s":563.36,"text":"Just in a couple different places mainly around like the moving parts make sure the door has good contact","speaker":null,"is_sponsor":0},{"start_s":564.4,"end_s":568.4,"text":"Near the electrical maybe but yeah, it's not really a huge concern","speaker":null,"is_sponsor":0},{"start_s":568.64,"end_s":574.8,"text":"But thank you guys for bringing it up Now traditionally a lot of the foam in here would be held on by adhesive","speaker":null,"is_sponsor":0},{"start_s":575.36,"end_s":582.56,"text":"It's a bit of a pain Not just installed but you know someone falls against the foam or tip breaks off and you want to replace it","speaker":null,"is_sponsor":0},{"start_s":582.96,"end_s":585.68,"text":"So tdk came up with something really cool","speaker":null,"is_sponsor":0},{"start_s":590.48,"end_s":597.28,"text":"Their magnets we can actually pull off these panels if we wanted to introduce reflection","speaker":null,"is_sponsor":0},{"start_s":597.92,"end_s":601.6,"text":"So if we wanted to you know get the signal bouncing real good in here","speaker":null,"is_sponsor":0},{"start_s":602.08,"end_s":606.4,"text":"Take off a row of these and yeah, you can introduce some really interesting artifacts","speaker":null,"is_sponsor":0},{"start_s":607.2,"end_s":610.88,"text":"If we need to replace them, we just unscrew the magnets at the back put the new foam","speaker":null,"is_sponsor":0},{"start_s":611.12,"end_s":615.68,"text":"And pop it back in so yeah, it's a it's a really ingenious","speaker":null,"is_sponsor":0},{"start_s":616.64,"end_s":622.96,"text":"Installation process and it makes life a lot easier to maintain. That's so satisfying. Yeah","speaker":null,"is_sponsor":0},{"start_s":624.0,"end_s":626.8,"text":"the only the big pain in the ass with that though","speaker":null,"is_sponsor":0},{"start_s":628.88,"end_s":634.56,"text":"Was that When the electrician was on the roof wiring everything up","speaker":null,"is_sponsor":0},{"start_s":636.64,"end_s":640.16,"text":"The thud of him knocked one of these panels","speaker":null,"is_sponsor":0},{"start_s":641.84,"end_s":644.24,"text":"Up here off right","speaker":null,"is_sponsor":0},{"start_s":645.6,"end_s":647.6,"text":"Well, I'm six three","speaker":null,"is_sponsor":0},{"start_s":648.72,"end_s":652.64,"text":"And I can't reach yeah, and I can't put a ladder in here. Yeah","speaker":null,"is_sponsor":0},{"start_s":654.72,"end_s":660.96,"text":"So, uh, yeah unless it completely falls off you can't no it did. Oh, I did fall. Okay. Okay. It's stuck","speaker":null,"is_sponsor":0},{"start_s":660.96,"end_s":664.72,"text":"Oh, I guess you still can't be into the answer. Yeah. Yeah, I had to grab a broom","speaker":null,"is_sponsor":0},{"start_s":666.16,"end_s":669.84,"text":"and I had to grab a mop like a","speaker":null,"is_sponsor":0},{"start_s":669.84,"end_s":672.0,"text":"One of the mobs that has like the removable","speaker":null,"is_sponsor":0},{"start_s":673.12,"end_s":679.12,"text":"She or like cloth over it and I had to use two of those to like push it back up onto the ceiling","speaker":null,"is_sponsor":0}],"full_text":"Hey MTV, welcome to my crib. Oh, I mean, sorry, prong video. Hey Flow Play, this is Jake here in the lab, and today I'm doing a deep dive on our new Raymond EMC supplied RF chamber. Raymond EMC, these guys huge shout out once again They provided this whole thing for us, and they were a huge help with getting some of the equipment that we need And getting everything started. So without further ado The most satisfying door in this place This is the Raymond EMC quiet door, and I know Linus showed this off before But this is a knife edge that goes into some brilliant copper finger stock And I've seen a lot of people asking questions around, you know What's the maintenance like on on this kind of thing? Especially because we reference that one of the screws is actually out of torque and that caused a leakage at 18 gigahertz So with this we actually have a duty cycle Every hundred times this door is open and closed. We've got to wipe all the contact surfaces around the outside Every thousand cycles we have to inspect and lubricate all the moving parts and every 5,000 cycles We actually have to polish all the contact surfaces and check the door alignment Raymond EMC is actually we coming back out to film a maintenance video for this that they'll have on their channel and To do this basically we use methyl spirits and a brillo pad. So it's nothing too crazy But it does present a bit of a challenge for Height challenged individuals like Linus to get up to the top of the door so Another thing that people have been asking is, you know, what are we doing with the electromagnetic interference and EMI off the cameras? Etc. And even the lighting so one thing we're not going to be filming the tests We will film recreations afterwards, but we're going to use the actual clean test data. So with the lighting EMI is actually a big consideration. Thankfully Constellation lighting down in the States. They make these link LED systems and these are mil spec So they're military standard 461g tested for zero EMI emission They're 65 watt 7,000 lumen and we can actually position on two axes so we can kind of adjust lighting in here That makes it a lot easier to see because when the lights are out and the doors close It doesn't work so well Over here, these are our negatives for our floor panels. They're actually Really stable. So we're gonna have our test set up over here. We're gonna be broadcasting on our fire cell Lab kit that's gonna send signal over in that direction And we're gonna have our device under test on a pedestal there. Ignore the big blue box. It will not exist and we're all ready effectively One of the considerations that we have when we're broadcasting RF is that we can't broadcast too close to the device under test and we can't broadcast it to a high of a power rating Mainly because you can actually burn out equipment that way So with the lab kit, we're gonna have it positioned about a meter off the wall And we're gonna have the device under test But the same and the reason for that is if your wavelength is too long so too low of a frequency If you're too close, it can cause weirdness They don't call RF black magic for nothing. So we're gonna have it positioned off the wall We're gonna have about three to four meters in between And then we'll be able to measure different transmission power levels I know for for your people Arjun, and I'm gonna say that in Australia In Australia these LTE band 28 which is 700 megahertz. It's a fairly low band And we've had a couple people ask if we're gonna include them testing I am gonna go through every LTE frequency band. So there will be data on that. Oh, yeah And one of the really cool things to consider is okay. Well, if you're on a network that's utilizing a Lower end of the frequency spectrum. You can actually get away with smaller batteries Just for the simple fact that doesn't draw as much power So yeah, we're we're gonna be doing some really cool tests on that I'm meeting with some reps from a couple of the different manufacturers of the spectrum analyzers So we're looking into Possibly a rodent Schwartz like an FSW 43 or maybe one of the Gauss One of the G line probably But basically we need a 43 gigahertz spectrum analyzer and that's gonna come down to you know cost line ass or In general ease of use, right? I want to get everything running as quickly as possible So we're gonna try and hit the ground running once everything comes in In the meantime before we get that though, we do have our lab kit fire cell. It has arrived It's actually outside if you guys want to go So I know it doesn't look like much but in these three boxes here, we actually have our 5g and Our 4g radio as well as the actual main compute unit These are are really cool These are this is the actual Network broadcasts or the SDR. So this is the edis research. It's a usrp b210 So it's 70 megahertz to six gigahertz Right now. We can't do millimeter wave That upgrade is coming out early next year In the meantime, however, this is gonna get us kind of 80% of the way there So we've got our 5g. We have our 4g in here. So we're getting the upgraded millimeter wave 5g Early next year for our lab kit. We might actually add some equipment in the meantime that will kind of bridge that I'm actually talking to to one of our viewers. Hopefully next week Who is in this space and and has some advice for us? So we're gonna listen and make sure that you know, we're not barking up the wrong tree and then outside of that You know, this is running our network, but we also need to you know Have something in there to record tests. So for that, we went with this sira7. It's a completely silent fanless solid-state PC. It's totally passively cooled You can tell because it's basically a giant aluminium heatsink And the reason we went with a solid-state PC is just because there's no fans and fans can generate EMI So we want to try and minimize that as much as possible. So that's why we wanted that It's a decent little AMD Ryzen 5. It's a 5000 series CPU in there Nothing crazy, but we don't really need anything too high spec. So yeah The other really cool thing is about how we get our network inside the box because obviously can't use wi-fi And it's this wave guide now one of the really really interesting things with this Is that this is actually a plug And you notice it has this really really handy late warning label saying Tempest hazard with plug removed Now for those of you that don't know what a tempest attack is It's effectively a way to use rf to eavesdrop on displays. It's really cool It's not new But there's not really a huge amount of people kind of in the public space that talk about it Effectively you could be in another room or on the other side of a hotel wall Broadcast a signal and you can pick up what's going on On a display and you can set one of these attacks up for like 300 to 400 dollars If you plus a laptop So one of the things that I really want to do Possibly for a flow plane exclusive. We'll see is actually run a tempest attack online us in the chamber Come on we can leak the stream keys again. We can we can find out his emails. We you know everything It'll be great his life easier, right? So yeah, so if that plug is removed Boom, it's wide open Yeah, so I think that'll be pretty cool And finally one of the things that I've seen quite a few people ask is You know if one screw or bolt out of torque can cause a leak You know how a how do we maintain that? Um and b why didn't we just weld everything together? Well, these chambers are actually designed to be modular We can extend this if we need to say we want to Turn it into a three meter chamber and do full iso compliance tests We can do that. We get raymond emc to come back out We re-level this area of the floor and they can extend this as much as we want So it's designed to be modular and then Secondly as far as testing to make sure that you know everything's within spec that comes down to the duty cycle When we're inspecting any of the moving parts and things And we can actually do signal generator Via spectrum analyzer tests so we can have it broadcasting inside and we can go around and we can measure the outside It's not something we're going to have to do often But we'll probably end up doing it probably once every four to six months Just to make sure everything's working well I might even do a spot check once a month Just in a couple different places mainly around like the moving parts make sure the door has good contact Near the electrical maybe but yeah, it's not really a huge concern But thank you guys for bringing it up Now traditionally a lot of the foam in here would be held on by adhesive It's a bit of a pain Not just installed but you know someone falls against the foam or tip breaks off and you want to replace it So tdk came up with something really cool Their magnets we can actually pull off these panels if we wanted to introduce reflection So if we wanted to you know get the signal bouncing real good in here Take off a row of these and yeah, you can introduce some really interesting artifacts If we need to replace them, we just unscrew the magnets at the back put the new foam And pop it back in so yeah, it's a it's a really ingenious Installation process and it makes life a lot easier to maintain. That's so satisfying. Yeah the only the big pain in the ass with that though Was that When the electrician was on the roof wiring everything up The thud of him knocked one of these panels Up here off right Well, I'm six three And I can't reach yeah, and I can't put a ladder in here. Yeah So, uh, yeah unless it completely falls off you can't no it did. Oh, I did fall. Okay. Okay. It's stuck Oh, I guess you still can't be into the answer. Yeah. Yeah, I had to grab a broom and I had to grab a mop like a One of the mobs that has like the removable She or like cloth over it and I had to use two of those to like push it back up onto the ceiling"}