Car or "bag" phones were 4 watts (and the old brick phones too).


On Sun, Feb 23, 2014 at 9:13 PM, Fred Goldstein <[email protected]>wrote:

> On 2/23/2014 9:20 PM, Robert wrote:
> > I believe they are allowed to xmit at up to 6 watts, similar to clear
> > wire....   I loved thinking about the power levels coming out of clear
> > wire antennas sitting on peoples desks next to where they work for 8
> > hours.
>
> My recollection is that the old analog cell phones were allowed 3 watts;
> hand-helds were limited to 600 milliwatts.  I was just researching the
> actual limits, reading OET Bulletin 65 on RF exposure.  It appears to me
> that the legal limit for "uncontrolled" exposure above 1500 MHz (e.g.,
> Clearwire) is 1 mW/cm^2.  From 300-1500, it's f/1500, so at 700 MHz (VZ
> LTE), it's about half that.
>
> Turning that into exposure uses this formula:
>
> EIRP/(4*pi*(d^2))
>
> So 6 watts EIRP at 1 meter gives a density of .05 mW/cm^2.  So that's
> about a tenth of the limit. But at about 30 cm, around a foot, you cross
> over the line, if I'm doing the calculations correctly.
>
> > On 02/23/2014 06:15 PM, Josh Luthman wrote:
> >> Anyone know the eirp for 700 MHz 4g?
> >>
> >> Josh Luthman
> >> Office: 937-552-2340
> >> Direct: 937-552-2343
> >> 1100 Wayne St
> >> Suite 1337
> >> Troy, OH 45373
> >>
> >> On Feb 23, 2014 9:12 PM, "Robert" <[email protected]
> >> <mailto:[email protected]>> wrote:
> >>
> >>      I just recommended HomeFusion service to a prospective customer.
> >>      Buried deep in the pine trees, they had one slot that a competitor
> was
> >>      able to deliver service through.   This competitor is so bad they
> >>      _never_ answer their phone, have not upgraded technology in 8
> years and
> >>      go down for as much as a week out of four.   We can't cover them,
> none
> >>      of the others that do decent service will.  But they can and do
> use a 4g
> >>      verizon card in a router to get service.   They pay cell phone
> rates
> >>      from verizon so I told them about the fusion service as it will
> give
> >>      them 2x data at about the same price and will not have to be on a
> >>      charger all the time.     900 will not reach them.  Oh well...
>  Even the
> >>      devil gets his due...
> >>
> >>      Robert
> >>
> >>      On 02/23/2014 04:46 PM, Chuck Hogg wrote:
> >>      > Wecome to Verizon HomeFusion.
> >>      >
> >>      > Regards,
> >>      > Chuck
> >>      >
> >>      >
> >>      > On Sun, Feb 23, 2014 at 7:43 PM, heith petersen <
> [email protected]
> >>      <mailto:[email protected]>
> >>      > <mailto:[email protected] <mailto:[email protected]>>> wrote:
> >>      >
> >>      >     I had a customer cancel our service a few weeks ago in a
> town an
> >>      >     hour away from me. My billing lady got the impression that
> she was
> >>      >     going to use her 4G service. She lives out of town a mile
> where we
> >>      >     are the only WISP or service around, aside from satellite or
> cell
> >>      >     service. Our equipment was laying by her house as she was
> away for
> >>      >     the day when we were there, but stated that the new
> equipment was
> >>      >     mounted in our old spot. So my tech took this picture and it
> said
> >>      >     Cantenna on the bottom of it. Its not like the Cantenna I
> have
> >>      seen
> >>      >     in the past. I am real positive that I do not have another
> WISP in
> >>      >     the area. Do some WISPS use these devices? The closest
> >>      business is a
> >>      >     John Deere dealership, and I am fairly certain their IT
> would not
> >>      >     allow external usage of their network, and all of the houses
> >>      in the
> >>      >     area use our service. Anyways just curious if any one had any
> >>      ideas
> >>      >     of what they could be using this for. I have had other
> customers
> >>      >     cheat WiFi from their neighbors with different Cantennas,
> but I
> >>      >     would use a UBNT device to re-distribute the service, if
> that's
> >>      >     whats going on
> >>      >
> >>      >     thanks
> >>      >     heith
> >>      >
> >>      >     *From:* [email protected] <mailto:
> [email protected]>
> >>      <mailto:[email protected] <mailto:[email protected]>>
> >>      >     *Sent:* Sunday, February 23, 2014 6:32 PM
> >>      >     *To:* [email protected] <mailto:[email protected]>
> >>      <mailto:[email protected] <mailto:[email protected]>>
> >>      >     *Subject:* FW:
> >>      >
> >>      >
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> >>      >
> >>      >
> >>      >
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> >>
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>
> --
>   Fred R. Goldstein      k1io     fred "at" interisle.net
>   Interisle Consulting Group
>   +1 617 795 2701
>
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