Results 1 to 9 of 9
- 08-24-2005, 08:54 AM #1Simon TemplarGuest
OK, here's an interesting problem. I am hopefully getting the Nokia
CR-27 cradle for my Nokia 6680 phone soon. I have hunted all over eBay
and Google to look for suitable antennas for 3G and have found nothing!
It is obvious that a single 900/1800/2100 is not really possible. So
the obvious option is a duplexer, GSM antenna and a 3G antenna.
Well the GSM antenna isn't a problem they are a dime a dozen.
But what about a duplexer and a 3G on glass or NMO base antenna that can
be easily mounted on a vehicle? I have not seen either of these items
while searching the net.
Anyone got any suggestions?
--
The views I present are my own and NOT of any organisation I belong to.
73 de Simon, VK3XEM.
http://www.aca.gov.au/pls/radcom/cli...IENT_NO=157452
VoIP http://www.TALKonIP.com.au/
Domain Hosting http://www.GizNet.com/
› See More: GSM/WCDMA car antennas
- 08-24-2005, 03:28 PM #2John HendersonGuest
Re: GSM/WCDMA car antennas
Simon Templar wrote:
> OK, here's an interesting problem. I am hopefully getting the
> Nokia CR-27 cradle for my Nokia 6680 phone soon. I have
> hunted all over eBay and Google to look for suitable antennas
> for 3G and have found nothing!
>
> It is obvious that a single 900/1800/2100 is not really
> possible. So the obvious option is a duplexer, GSM antenna
> and a 3G antenna.
>
> Well the GSM antenna isn't a problem they are a dime a dozen.
>
> But what about a duplexer and a 3G on glass or NMO base
> antenna that can be easily mounted on a vehicle? I have not
> seen either of these items while searching the net.
>
> Anyone got any suggestions?
http://tinyurl.com/b7xqu
John
- 08-24-2005, 07:03 PM #3Simon TemplarGuest
Re: GSM/WCDMA car antennas
John Henderson wrote:
> Simon Templar wrote:
>
>
>>OK, here's an interesting problem. I am hopefully getting the
>>Nokia CR-27 cradle for my Nokia 6680 phone soon. I have
>>hunted all over eBay and Google to look for suitable antennas
>>for 3G and have found nothing!
>>
>>It is obvious that a single 900/1800/2100 is not really
>>possible. So the obvious option is a duplexer, GSM antenna
>>and a 3G antenna.
>>
>>Well the GSM antenna isn't a problem they are a dime a dozen.
>>
>>But what about a duplexer and a 3G on glass or NMO base
>>antenna that can be easily mounted on a vehicle? I have not
>>seen either of these items while searching the net.
>>
>>Anyone got any suggestions?
>
>
> http://tinyurl.com/b7xqu
>
> John
Great stuff, thanks John. I'd say that would have several antennas
hidden within it and will save hassles of two antennas and a duplexer.
I will see what cost is involved next.
--
The views I present are my own and NOT of any organisation I belong to.
73 de Simon, VK3XEM.
http://www.aca.gov.au/pls/radcom/cli...IENT_NO=157452
VoIP http://www.TALKonIP.com.au/
Domain Hosting http://www.GizNet.com/
- 08-24-2005, 07:58 PM #4Donald NewcombGuest
Re: GSM/WCDMA car antennas
"Simon Templar" <[email protected]> wrote in message
news:[email protected]...
> It is obvious that a single 900/1800/2100 is not really possible.
Why not? I think they are called "discone" antennas. You can make one out of
a metal funnel and the top cut out of a soup can.
--
Donald Newcomb
DRNewcomb (at) attglobal (dot) net
- 08-25-2005, 02:34 AM #5John HendersonGuest
Re: GSM/WCDMA car antennas
Simon Templar wrote:
> I will see what cost is involved next.
Not 100% sure, but looks like it at $47 from
http://www.sunshinecomputers.com.au (under brand RFI).
I bought the CDMA and dual-band GSM version for about $30 a
couple of years ago from "Phonies" in Belconnen Mall, ACT.
John
- 08-25-2005, 02:49 AM #6Simon TemplarGuest
Re: GSM/WCDMA car antennas
Donald Newcomb wrote:
> "Simon Templar" <[email protected]> wrote in message
> news:[email protected]...
>
>>It is obvious that a single 900/1800/2100 is not really possible.
>
>
> Why not? I think they are called "discone" antennas. You can make one out of
> a metal funnel and the top cut out of a soup can.
Hehehe, yeh right Donald. I wonder how that would travel on the car
roof at 100 km/h?
--
The views I present are my own and NOT of any organisation I belong to.
73 de Simon, VK3XEM.
http://www.aca.gov.au/pls/radcom/cli...IENT_NO=157452
VoIP http://www.TALKonIP.com.au/
Domain Hosting http://www.GizNet.com/
- 08-25-2005, 02:51 AM #7Simon TemplarGuest
Re: GSM/WCDMA car antennas
John Henderson wrote:
> Simon Templar wrote:
>
>
>>I will see what cost is involved next.
>
>
> Not 100% sure, but looks like it at $47 from
> http://www.sunshinecomputers.com.au (under brand RFI).
>
> I bought the CDMA and dual-band GSM version for about $30 a
> couple of years ago from "Phonies" in Belconnen Mall, ACT.
>
> John
Thanks John, that sounds like a very reasonable price.
--
The views I present are my own and NOT of any organisation I belong to.
73 de Simon, VK3XEM.
http://www.aca.gov.au/pls/radcom/cli...IENT_NO=157452
VoIP http://www.TALKonIP.com.au/
Domain Hosting http://www.GizNet.com/
- 08-25-2005, 04:06 AM #8Donald NewcombGuest
Re: GSM/WCDMA car antennas
"Simon Templar" <[email protected]> wrote in message
news:[email protected]...
> Donald Newcomb wrote:
> Hehehe, yeh right Donald. I wonder how that would travel on the car
> roof at 100 km/h?
That wasn't a stated requirement of the initial request. But since you
mention it, UHF discones would present very little wind resistance. It's
just an upward pointing metal cone with a flat metal disc mounted
horizontally on the point. They really are not very good antennas. Their
primary claim to fame is that they are very low Q and flat over a huge range
of frequencies. Very popular with the military.
--
Donald Newcomb
DRNewcomb (at) attglobal (dot) net
- 08-25-2005, 04:15 AM #9Simon TemplarGuest
Re: GSM/WCDMA car antennas
Donald Newcomb wrote:
> "Simon Templar" <[email protected]> wrote in message
> news:[email protected]...
>
>>Donald Newcomb wrote:
>>Hehehe, yeh right Donald. I wonder how that would travel on the car
>>roof at 100 km/h?
>
>
> That wasn't a stated requirement of the initial request. But since you
> mention it, UHF discones would present very little wind resistance. It's
> just an upward pointing metal cone with a flat metal disc mounted
> horizontally on the point. They really are not very good antennas. Their
> primary claim to fame is that they are very low Q and flat over a huge range
> of frequencies. Very popular with the military.
Thanks Donald, yep I have seen numerous pictures of Military comms using
discones.
--
The views I present are my own and NOT of any organisation I belong to.
73 de Simon, VK3XEM.
http://www.aca.gov.au/pls/radcom/cli...IENT_NO=157452
VoIP http://www.TALKonIP.com.au/
Domain Hosting http://www.GizNet.com/
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