I have a DA4000 3 watt booster amplifier that I use with a StarTAC
7868 on Alltel. It *does* help. I live in eastern Ohio. The terrain
is hilly. You can start driving up a creek valley and go from 5 bars
to no service and be only 3 miles from the tower. With the DA400 I
can extend the range another mile or two in
CDMA digital mode. In
analog mode, I can get a call out 8-10 miles from the tower, where I'm
in a fairly low spot with hills all around. The call is noisy, but
usable.
On the hill tops, getting out with analog is easy. Digital is
sometimes still not possible if I am more than about 7 miles from a
tower due to pilot pollution. There is a location in my county where
I am about 7-12 miles from a half dozen different Alltel sites and I
cannot establish a digital call (with or without the amp). I think
that if there was only one or two towers, I could.
I like the DA4000 because it also amplifies the 1900 MHz frequencies.
I sometimes roam on Sprint in Muskingum County, Ohio. Sprint's system
(actually their affiliate, Horizon PCS) along I-70 is pretty mediocre.
They put antennas on gas station sign posts, wood poles -- no decent
towers. The amp helps in the weak spots between their antennas.
Also the DA4000 works on
CDMA, CDMA2000 (1X), TDMA,
GSM and analog so
if I changed carriers (except for Nextel, which uses different
frequencies), I could still use the amp.
A general rule of thumb is that if you have any signal at all without
the amp, the amp will probably let you get out at least in analog. If
you have "no service" the amp may not help.
royc
T <Southbayman@hotmail.com> wrote in message news:<7jgka0527qtkpe1qkkuet5v82qrooltbma@4ax.com>. ..
> Well I know where to check it out....I'm asking does anyone have any
> experience using any of these...do they really work??????