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From: "Clemens Paul" <cpaul@gmx.net>
To: <rsgb_lf_group@blacksheep.org>
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Date: Sat, 8 Mar 2014 16:16:37 +0100
Message-ID: <0D0F7D119CFB4CE3BF47F064356A22B1@Clemens0811>
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Subject: LF: RE: Microphone via WLAN (WiFi) ?
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I'm using for remote operation of my SW TRX:

http://www.amazon.de/gp/product/B005FY61MM/ref=3Dox_ya_os_product_refresh=
_C

Ok,it costs a bit more than "a few" euro.
But the wireless microphone works really well, up to 20m distance.
The usb receiver is extremely small,roughly 1cm^2.=20

73
Clemens
DL4RAJ=20


>-----Original Message-----
>From: owner-rsgb_lf_group@blacksheep.org=20
>[mailto:owner-rsgb_lf_group@blacksheep.org] On Behalf Of Stefan =
Sch=E4fer
>Sent: Saturday, March 08, 2014 3:09 PM
>To: rsgb_lf_group@blacksheep.org
>Subject: LF: Microphone via WLAN (WiFi) ?
>
>Hi all,
>
>Again i spent some time to find a module which allows to transfer a=20
>mircophone input signal via WLAN to the PC. Without success...
>
>To make things clear:
>
>The system has to consist of to parts:
>
>1: The first one is battery supplied and has a microphone=20
>input (like a=20
>cheap external USB soundcard) and a WLAN output, using an external=20
>antenna and SMA plug. I.e.: Input: 3.5mm microphone jack. Output: SMA=20
>WLAN antenna connector.
>2: The second part is connected to the PC and is a WLAN receiver that=20
>appears as a normal external USB soundcard and allows to receive the=20
>audio signal from the first part of the system.
>
>The system allows to run a /p receiver for VLF or any other band.
>
>
>An expert could create such a circuit for himselfe but i need to buy=20
>something like that, if it is available. But all i can find in the web=20
>is the opposite way, i.e. people who want to transfer their sound from=20
>the PC to a /p loudspeaker or headphone, argh...  Or, a big=20
>device which=20
>includes a real big microphone (dynamic range ???). These are=20
>expensive=20
>systems.
>
>However, external soundcards are cheap and WLAN modules are cheap too.
>
>So, isn't there such a device for a few EUR in the web, these days? It=20
>has to have a dynamic range of  at least 100 dB, like the 2=20
>EUR external=20
>soundcards at amazon do (with some luck).
>
>Any help is much apprechiated :-)
>
>73, Stefan/DK7FC
>