disappointed in the cap

>
>
> Hi all, I ordered that baseball cap that has the shielding fabric inside of
> it. I hooked up my wireless router again and put the cap over the whole
> thing (the router is small) and it made *no difference* in the signal
> strength my computer picked up - five full bars. If it can't block the
> emitting signal at all then how's it going to block that same signal when
> it's on my head? Then I check the website's return policy and they only give
> store credit not money back :(
>
> Thoughts?
>
> Alexa
>
>  
>

>
> 5 bars is not a good way to measure. But the cap is not very
> good-- the fabric is good but they sewed it with seams and
> no conductivity between the pieces.
>
> A large piece of veil-shield is a better way to go. Still
> it will just reflect the signal down from the antenna.
> Put it over the receiving computer (try to allow at
> least an inch of spacing from wherever the receiver antenna is)
> or put a real big piece (like at least 5' square) between the router
> and computer.
>
> Bill
>
> On Sat, Dec 5, 2009 at 1:05 AM, roxalis@... <
> roxalis@...> wrote:
>
> >
> >
> > Hi all, I ordered that baseball cap that has the shielding fabric inside of
> > it. I hooked up my wireless router again and put the cap over the whole
> > thing (the router is small) and it made *no difference* in the signal
> > strength my computer picked up - five full bars. If it can't block the
> > emitting signal at all then how's it going to block that same signal when
> > it's on my head? Then I check the website's return policy and they onlygive
> > store credit not money back :(
> >
> > Thoughts?
> >
> > Alexa
> >
> >  
> >
>
>
> [Non-text portions of this message have been removed]
>

>
>
> Bob, don't RF waves travel in straight lines? I made sure to block
> completely the direction between the router and the laptop with the cap at
> the router end and also at the laptop side.
>
> Bill, I'd measure with an RF meter if I had one, but surely those bars
> count for something, a crude measure of signal strength at least. So are you
> saying the Naturashield fabric is good but even stuff like seams will mess
> it up? What is a veil-shield?
>
> My main purpose in getting the cap was to test to see how much the wi-fi
> coming down from the apartment above was affecting me. If it helped a lot
> then I was planning to buy more in the way of shielding the ceiling. But of
> course now the apartment below me just got wi-fi too. Just gotta move it
> seems.
>
> Thanks,
> Alexa
>
>
> --- In [hidden email] <eSens%40yahoogroups.com>, Bill Bruno
> <wbruno@...> wrote:
> >
> > 5 bars is not a good way to measure. But the cap is not very
> > good-- the fabric is good but they sewed it with seams and
> > no conductivity between the pieces.
> >
> > A large piece of veil-shield is a better way to go. Still
> > it will just reflect the signal down from the antenna.
> > Put it over the receiving computer (try to allow at
> > least an inch of spacing from wherever the receiver antenna is)
> > or put a real big piece (like at least 5' square) between the router
> > and computer.
> >
> > Bill
> >
> > On Sat, Dec 5, 2009 at 1:05 AM, roxalis@... <
> > roxalis@...> wrote:
> >
> > >
> > >
> > > Hi all, I ordered that baseball cap that has the shielding fabric
> inside of
> > > it. I hooked up my wireless router again and put the cap over the whole
> > > thing (the router is small) and it made *no difference* in the signal
> > > strength my computer picked up - five full bars. If it can't block the
> > > emitting signal at all then how's it going to block that same signal
> when
> > > it's on my head? Then I check the website's return policy and they only
> give
> > > store credit not money back :(
> > >
> > > Thoughts?
> > >
> > > Alexa
> > >
> > >
> > >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>  
>

> Bob, don't RF waves travel in straight lines? I made sure to block
> completely the direction between the router and the laptop with the cap at
> the router end and also at the laptop side.
>
> Bill, I'd measure with an RF meter if I had one, but surely those bars
> count for something, a crude measure of signal strength at least. So are
> you saying the Naturashield fabric is good but even stuff like seams will
> mess it up? What is a veil-shield?
>
> My main purpose in getting the cap was to test to see how much the wi-fi
> coming down from the apartment above was affecting me. If it helped a lot
> then I was planning to buy more in the way of shielding the ceiling. But
> of course now the apartment below me just got wi-fi too. Just gotta move
> it seems.
>
> Thanks,
> Alexa
>
> --- In [hidden email], Bill Bruno <wbruno@...> wrote:
>>
>> 5 bars is not a good way to measure. But the cap is not very
>> good-- the fabric is good but they sewed it with seams and
>> no conductivity between the pieces.
>>
>> A large piece of veil-shield is a better way to go. Still
>> it will just reflect the signal down from the antenna.
>> Put it over the receiving computer (try to allow at
>> least an inch of spacing from wherever the receiver antenna is)
>> or put a real big piece (like at least 5' square) between the router
>> and computer.
>>
>> Bill
>>
>> On Sat, Dec 5, 2009 at 1:05 AM, roxalis@... <
>> roxalis@...> wrote:
>>
>> >
>> >
>> > Hi all, I ordered that baseball cap that has the shielding fabric
>> > inside of
>> > it. I hooked up my wireless router again and put the cap over the whole
>> > thing (the router is small) and it made *no difference* in the signal
>> > strength my computer picked up - five full bars. If it can't block the
>> > emitting signal at all then how's it going to block that same signal
>> > when
>> > it's on my head? Then I check the website's return policy and they only
>> > give
>> > store credit not money back :(
>> >
>> > Thoughts?
>> >
>> > Alexa
>> >
>> >
>> >
>>
>>
>> [Non-text portions of this message have been removed]
>>
>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>

>I have to take issue with this thread.
> Let me start right off by telling you that I am the creator and
> manufacturer
> of the shielded cap under discussion.
>
> There are two analogies that I think will help readers understand what is
> going on here.
> Pretend that you have a new beekeeper suit. You decide to test it by
> hanging
> it in front of a large and active beehive. You are disappointed to find
> that
> despite the claims of the garment manufacturer, you still receive quite a
> few nasty bee stings.
>
> So does the garment work or not? Well, first, you have no idea how many
> bees
> went THROUGH the garment, and how many simply went AROUND it. Furthermore,
> you still have no idea how well the garment works when used the way it was
> designed to be used. It is not the garment that is faulty, it is the test
> design. The suit is not designed to be placed on the hive. It is meant to
> be
> worn.
>
> Next, assume you are inside a white room with a single incandescent light
> bulb. The room is quite bright (5 bars). Now, hold a mirror (reflector) up
> to one side of the light bulb. How dark is the room now? The room has not
> darkened at all. All the radiation is still in the room. This is very
> similar to what was done in the experiment described.
>
> Remember that the microwaves from a router fill the room through
> reflection
> off walls, floors, and most surfaces. Placing a small reflector near the
> source does create a small shadow in the vicinity of the "shield", but
> even
> there, the light level does not go to zero, perhaps only 50% reduction.
> (You
> might notice that to go from 5 bars to 4 bars requires a reduction of
> 10-20
> dB, depending on the equipment you are using... this corresponds to 90-99%
> reduction of signal strength).
>
> On the other hand, if you are in that same room and your mirror is cup or
> dome shaped, and you put it over your chest, how dark will it be inside
> the
> "cup"? With a reasonable seal around the perimeter, it will be quite dark
> inside the "cup". You can test this way with the shielded cap, but you
> need
> a meter with an external probe that can fit inside the cap.
>
>
> Be careful about testing shielding to make sure that your test is valid.
>
>
>
> Emil
>
>
>
> ----- Original Message -----
> From: <[hidden email]>
> To: <[hidden email]>
> Sent: Saturday, December 05, 2009 10:02 PM
> Subject: [eSens] Re: disappointed in the cap
>
>
>> Bob, don't RF waves travel in straight lines? I made sure to block
>> completely the direction between the router and the laptop with the cap
>> at
>> the router end and also at the laptop side.
>>
>> Bill, I'd measure with an RF meter if I had one, but surely those bars
>> count for something, a crude measure of signal strength at least. So are
>> you saying the Naturashield fabric is good but even stuff like seams will
>> mess it up? What is a veil-shield?
>>
>> My main purpose in getting the cap was to test to see how much the wi-fi
>> coming down from the apartment above was affecting me. If it helped a
>> lot
>> then I was planning to buy more in the way of shielding the ceiling. But
>> of course now the apartment below me just got wi-fi too. Just gotta move
>> it seems.
>>
>> Thanks,
>> Alexa
>>
>> --- In [hidden email], Bill Bruno <wbruno@...> wrote:
>>>
>>> 5 bars is not a good way to measure. But the cap is not very
>>> good-- the fabric is good but they sewed it with seams and
>>> no conductivity between the pieces.
>>>
>>> A large piece of veil-shield is a better way to go. Still
>>> it will just reflect the signal down from the antenna.
>>> Put it over the receiving computer (try to allow at
>>> least an inch of spacing from wherever the receiver antenna is)
>>> or put a real big piece (like at least 5' square) between the router
>>> and computer.
>>>
>>> Bill
>>>
>>> On Sat, Dec 5, 2009 at 1:05 AM, roxalis@... <
>>> roxalis@...> wrote:
>>>
>>> >
>>> >
>>> > Hi all, I ordered that baseball cap that has the shielding fabric
>>> > inside of
>>> > it. I hooked up my wireless router again and put the cap over the
>>> > whole
>>> > thing (the router is small) and it made *no difference* in the signal
>>> > strength my computer picked up - five full bars. If it can't block the
>>> > emitting signal at all then how's it going to block that same signal
>>> > when
>>> > it's on my head? Then I check the website's return policy and they
>>> > only
>>> > give
>>> > store credit not money back :(
>>> >
>>> > Thoughts?
>>> >
>>> > Alexa
>>> >
>>> >
>>> >
>>>
>>>
>>> [Non-text portions of this message have been removed]
>>>
>>
>>
>>
>>
>> ------------------------------------
>>
>> Yahoo! Groups Links
>>
>>
>>
>>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>