Here's the best place to start, IMO:
http://www.digitalantenna.com
They make several models of cell phone boosters, both wired and wireless. They
also make a large line of gain antennas for cell phones in remote areas.
Generally speaking (and you will read this on their website), the cell phone
"booster" needs to have as good a signal coming into it as you want to have
available inside the house. So if the signal you want is very weak even
outdoors, you will need to boost it using a gain antenna.
Also bear in mind that these systems are basically in-band transponders, and
need to have a certain isolation (minimum separation) between the "outside"
and "inside" antennas. The systems depend in part for this isolation upon the
loss incurred going through walls. Anyway, it's a great site, and hopefully
you will be able to tell after reading through it whether this kind of system
might provide a solution for you.
Bill / W5WVO
Sandy wrote:
Ron,
Any links as to where to start looking? I'm in a REAL fringy area
here!
73,
Sandy W5TVW
----- Original Message -----
From: "Ron D'Eau Claire" <[EMAIL PROTECTED]>
To: <elecraft@mailman.qth.net>
Sent: Wednesday, June 06, 2007 10:49 AM
Subject: RE: [Elecraft] Cell Phone Antenna Enhancement?
Yep, cellular (and GSM) phone repeaters are readily-available that
have an outside antenna and one that goes in the house. Where I'm
moving in a couple
of weeks over on the Oregon Coast the cellular/GSM service is spotty
and I'm
ordering such a unit today.
I'll send you some links privately. Some offer highly-directional
antennas to avoid connecting to a tower you don't want to use.
It is possible to rig a "passive repeater" - two antennas; one up in
the clear and one near where you are with the phone. Indeed, if you
aren't wandering all over the place with the phone in your hand you
can simply rig
an outdoor antenna with coax to your phone. Most phones have a
connector for
that purpose. I've not done that with a phone, but we did it in some
land mobile installations using 900 MHz some years back when a
customer's facility was behind a ridge line or other obstruction.
Ron AC7AC
-----Original Message-----
I know this is way off target - but I figure there
may be cell phone RF antenna experts lurking in this
forum.....
I'm wondering if one couldn't make up some sort
of antenna-enhancer on our cell phone, to beef
up the cell signal that the phone hears? There is
no external antenna jack on our Sony Erikson cell
phone - but it does have a 1 inch handle type
shape on top of the phone, where I suspect the
cell phone's antenna is.
73, de Fred, N3CSY, US/CA border
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