Application schematics which shown how to connect AP to the antenna to minimize loss!

I've prepared a small pdf which show how AP should be connected to the
antenna to avoid coaxial cable loss, with or without using a DC
injector to supply the amplifier (if needed).
The PDF document is available at the address
http://www.ir3ip.net/iw3grx/wifi/ras...plications.pdf , shown four
application schematics corresponding to the typical installations, and
refer to the WiFi ampilfier RAST2432, but can be generally exported to
any amplifier which can be supplied by coaxial cable using a DC
injector.
Bye. Paolo

Mesfet wrote:
> I've prepared a small pdf which show how AP should be connected to the
> antenna to avoid coaxial cable loss, with or without using a DC
> injector to supply the amplifier (if needed).
> The PDF document is available at the address
> http://www.ir3ip.net/iw3grx/wifi/ras...plications.pdf , shown four
> application schematics corresponding to the typical installations, and
> refer to the WiFi ampilfier RAST2432, but can be generally exported to
> any amplifier which can be supplied by coaxial cable using a DC
> injector.
> Bye. Paolo
>
Do you not have a restriction on the channels that can be used as I was
under the impression that the 13m band terminated at 2.45GHz?
NB. I am considering this from a UK/Eur perspective

Rob

On 8 Dec 2005 03:00:03 -0800, "Mesfet" <(E-Mail Removed)> wrote:

>I've prepared a small pdf which show how AP should be connected to the
>antenna to avoid coaxial cable loss, with or without using a DC
>injector to supply the amplifier (if needed).
>The PDF document is available at the address
>http://www.ir3ip.net/iw3grx/wifi/ras...plications.pdf , shown four
>application schematics corresponding to the typical installations, and
>refer to the WiFi ampilfier RAST2432, but can be generally exported to
>any amplifier which can be supplied by coaxial cable using a DC
>injector.
>Bye. Paolo

"Due to its large power output, the RAST2432 can be used by licensed
amateur radio only".

The large yagi antenna shown in the photo would certainly be illegal
in the US with 1 watt output. The picture of the amplifier shows
+26dBm output. Your data sheet says +30dBm. Looking at the board
layout, it appears to have AGC on the input, but there are no specs as
to the acceptable input range in order to calculate the maximum coax
cable length. Also, no specs on tx/rx switching time. No FCC type
certification number.

Incidentally, the file is two pages big but 430KBytes to download.
That's because it appears to be a rather poor scanned image of each
page, with no actual ASCII text. You might want to rework it into
something more readable and smaller.
--
Jeff Liebermann (E-Mail Removed)
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

Jeff Liebermann wrote:
> On 8 Dec 2005 03:00:03 -0800, "Mesfet" <(E-Mail Removed)> wrote:
>
>
>>I've prepared a small pdf which show how AP should be connected to the
>>antenna to avoid coaxial cable loss, with or without using a DC
>>injector to supply the amplifier (if needed).
>>The PDF document is available at the address
>>http://www.ir3ip.net/iw3grx/wifi/ras...plications.pdf , shown four
>>application schematics corresponding to the typical installations, and
>>refer to the WiFi ampilfier RAST2432, but can be generally exported to
>>any amplifier which can be supplied by coaxial cable using a DC
>>injector.
>>Bye. Paolo
>
>
> "Due to its large power output, the RAST2432 can be used by licensed
> amateur radio only".
>
> The large yagi antenna shown in the photo would certainly be illegal
> in the US with 1 watt output.
Snip....................................
It's a long time since I had anything to do with Amateur Radio so I had
a quick browse.
http://www.wlan.org.uk/hrww.htm

Below is a snip from a John C. Dvorak PCMAG article regarding a wi-fi radio with
a 1 watt radio.

"Pump Up the Power Dept.: If you're looking for an unusual wireless gateway
router, check out the Bountiful Router from Bountiful WiFi out of Woods Cross,
Utah ( www.bountifulwifi.com ). I was most amused by the company press release,
which goes on and on about this $600 device without ever mentioning its most
interesting feature. Instead of the milliwatt radio found in most 802.11 gateway
routers, this sucker has a full 1-watt radio. This is the legal limit allowed by
the FCC for any radio running 802.11. And apparently there are all sorts of
other requirements on top of this. As far as I can tell, it took a lot of work
just to get this torch approved by the government. This has got to be a fun
device for 802.11 hobbyists who want to experiment with antennas and
long-distance 802.11."

http://www.networkworld.com/reviews/...iful-test.html
http://www.bountifulwifi.com/p_home.asp
http://www.pcmag.com/article2/0,1759...079TX1K0000584


Jeff Liebermann wrote:
> On 8 Dec 2005 03:00:03 -0800, "Mesfet" <(E-Mail Removed)> wrote:
>
>> I've prepared a small pdf which show how AP should be connected to the
>> antenna to avoid coaxial cable loss, with or without using a DC
>> injector to supply the amplifier (if needed).
>> The PDF document is available at the address
>> http://www.ir3ip.net/iw3grx/wifi/ras...plications.pdf , shown four
>> application schematics corresponding to the typical installations, and
>> refer to the WiFi ampilfier RAST2432, but can be generally exported to
>> any amplifier which can be supplied by coaxial cable using a DC
>> injector.
>> Bye. Paolo
>
> "Due to its large power output, the RAST2432 can be used by licensed
> amateur radio only".
>
> The large yagi antenna shown in the photo would certainly be illegal
> in the US with 1 watt output. The picture of the amplifier shows
> +26dBm output. Your data sheet says +30dBm. Looking at the board
> layout, it appears to have AGC on the input, but there are no specs as
> to the acceptable input range in order to calculate the maximum coax
> cable length. Also, no specs on tx/rx switching time. No FCC type
> certification number.
>
> Incidentally, the file is two pages big but 430KBytes to download.
> That's because it appears to be a rather poor scanned image of each
> page, with no actual ASCII text. You might want to rework it into
> something more readable and smaller.

On Sat, 10 Dec 2005 17:06:36 GMT, "DanR" <(E-Mail Removed)> wrote:

>Below is a snip from a John C. Dvorak PCMAG article regarding a wi-fi radio with
>a 1 watt radio.
>
>"Pump Up the Power Dept.: If you're looking for an unusual wireless gateway
>router, check out the Bountiful Router from Bountiful WiFi out of Woods Cross,
>Utah ( www.bountifulwifi.com ). I was most amused by the company press release,
>which goes on and on about this $600 device without ever mentioning its most
>interesting feature. Instead of the milliwatt radio found in most 802.11 gateway
>routers, this sucker has a full 1-watt radio. This is the legal limit allowed by
>the FCC for any radio running 802.11. And apparently there are all sorts of
>other requirements on top of this. As far as I can tell, it took a lot of work
>just to get this torch approved by the government. This has got to be a fun
>device for 802.11 hobbyists who want to experiment with antennas and
>long-distance 802.11."
>
>http://www.networkworld.com/reviews/...iful-test.html
>http://www.bountifulwifi.com/p_home.asp
>http://www.pcmag.com/article2/0,1759...079TX1K0000584

Yep. $675 list price.

FCCID is TDK-BWR54G1
: https://gullfoss2.fcc.gov/prod/oet/cf/eas/reports/ViewExhibitReport.cfm?mode=Exhibits&RequestTimeout =500&calledFromFrame=N&application_id=165686&fcc_i d='TDK-BWR54G1'

Looking at the photos, the small circuit board appears to be the power
amplifier, T/R switch, and RX RF amp. I can't tell for sure, but it
appears that that one antenna is transmit, the other is receive. That
might actually be a useful feature.

--
Jeff Liebermann 150 Felker St #D Santa Cruz CA 95060
831.336.2558 voice
http://www.LearnByDestroying.com AE6KS
http://802.11junk.com Skype: JeffLiebermann
(E-Mail Removed) (E-Mail Removed)

DanR <(E-Mail Removed)> wrote:

> Below is a snip from a John C. Dvorak PCMAG article regarding a wi-fi
> radio with a 1 watt radio.

Oh boy, here come the CB-style power wars.