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Hey Greg!<br><br>
Yes. The Raven-X modem (the only model we've used and are familiar
with) actually has two antenna ports, a primary and a secondary.
With the software that supports the modem, you can see a readout of the
RSSL (as a number I think, not a graph). It actually seems to work
pretty well, and you can use it to fine (more like moderate to rough)
tune the direction to point a high-gain yagi antenna (assuming you don't
have usable cell sites all around you). The way we have installed
them so far (just 4, but all at pretty remote sites), is to use a yagi
antenna for the best possible signal on antenna port 1, then also hook up
a low-cost omni antenna on port 2 so that if the cell site we're pointed
at bites the dust, the modem will have a chance of picking up a signal
from a secondary cell site in any direction (especially good too as the
cellular companies keep adding more towers). The cost of the extra
whip, coax, and time to install is totally worth adding the second
antenna.<br><br>
Good to hear from you, Greg.<br><br>
Dave<br><br>
<br>
At 11:49 AM 11/24/2009, you wrote:<br>
<blockquote type=cite class=cite cite=""><font size=4>Dave,<br>
I'm curious, do the cell modems have provision for using an external
antenna to improve received and transmitted levels?<br>
Greg<br>
</font>-- <br>
Greg Steiner<br>
<br>
VLF Designs<br>
1621 Bella Vista Dr.<br>
Jackson, Mo. 63755<br>
<br>
Ph: 573-204-1286<br>
Fax:573-204-1286<br>
Ph: 573-388-2117<br>
<br>
Email: <a href="mailto:vlf@cablerocket.com">vlf@cablerocket.com</a><br>
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