cell booster or gps booster?

Jaime Solorza
Wireless Systems Architect
915-861-1390

On Tue, Feb 9, 2016 at 8:15 AM, Sam Kirsch <[email protected]> wrote:

> Pull out a GPS App on your phone and make sure you can actually read the
> satellites from behind the window (I used 'GPS Test' on Android).  We had
> to install one of these boosters and were troubleshooting why the damn
> thing wasn't working when I noticed that my phone GPS receiver was working
> in rooms where the windows were open and not working in rooms where the
> windows were closed.  Building management didn't even know they'd purchased
> the windows with RF film.
>
>
>
> *-- Samuel Kirsch, Network SupportPlexicomm - Internet Solutions |
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>
> ------ Original Message ------
> From: "Adam Moffett" <[email protected]>
> To: [email protected]
> Sent: 2/9/2016 9:50:42 AM
> Subject: Re: [AFMUG] Verizon "network extender"
>
>
> It might not be just a matter of getting the location.  If they use the
> 1pps clock from GPS to calibrate an oscillator before they start
> transmitting, then it would legitimately take 20-30 minutes.
>
> Telrad BTS's are like that too.  Pisses me off if I ever have to reset the
> power.
>
>
> On 2/9/2016 12:12 AM, Jason McKemie wrote:
>
> For whatever reason, the receivers that they use in some of these don't
> seem to be "modern" at all. They frequently take an excessively long time
> to get a lock.
>
> On Monday, February 8, 2016, Eric Kuhnke < <[email protected]>
> [email protected]> wrote:
>
>> Modern GPS receivers work surprisingly well, if not very accurately, from
>> inside a single floor wood framed house... My oneplus one will pick up 6
>> satellites while  standing in a central hallway 15'+ from any window.
>> Should be accurate enough to get a location within 75'.
>>
>> All bets are off if it is a concrete framed apartment building or
>> something like that.
>>
>> I still find it amazing that anything works at -162 RSL. Thanks to tiny
>> channel size and very basic modulation.
>> On Feb 8, 2016 6:46 PM, "Bill Prince" <
>> javascript:_e(%7B%7D,'cvml','[email protected]');> wrote:
>>
>>> Canopy NAT seems to break it with regularity. It might also fail if the
>>> GPS location that it reports is not within a 1/4 mile of where the customer
>>> address is.
>>>
>>> Also requires enough GPS (like near a window) to get a GPS lock.
>>>
>>> bp
>>> <part15sbs{at}gmail{dot}com>
>>>
>>>
>>> On 2/8/2016 3:34 PM, Ken Hohhof wrote:
>>>
>>> What are the typical reasons for these not to work?� From the user
>>> guide it appears to use IPSEC, so I assume anything that prevents a VPN?
>>> �
>>> Verizon support told the customer they needed a Class A address.�
>>> WTF?� Did they maybe mean it *can't* be a class A address?�
>>> Customer uses 10.x.x.x addresses internally, behind Cisco ASA firewall
>>> (which I don't manage).
>>> �
>>> I do see some udp/500 and udp/4500 packets, I think that means something
>>> is using UDP for IPSEC NAT traversal?
>>>
>>>
>>>
>

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