I'm using for remote operation of my SW TRX:
http://www.amazon.de/gp/product/B005FY61MM/ref=ox_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.
73
Clemens
DL4RAJ
>-----Original Message-----
>From: [email protected]
>[mailto:[email protected]] On Behalf Of Stefan Schäfer
>Sent: Saturday, March 08, 2014 3:09 PM
>To: [email protected]
>Subject: LF: Microphone via WLAN (WiFi) ?
>
>Hi all,
>
>Again i spent some time to find a module which allows to transfer a
>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
>input (like a
>cheap external USB soundcard) and a WLAN output, using an external
>antenna and SMA plug. I.e.: Input: 3.5mm microphone jack. Output: SMA
>WLAN antenna connector.
>2: The second part is connected to the PC and is a WLAN receiver that
>appears as a normal external USB soundcard and allows to receive the
>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
>something like that, if it is available. But all i can find in the web
>is the opposite way, i.e. people who want to transfer their sound from
>the PC to a /p loudspeaker or headphone, argh... Or, a big
>device which
>includes a real big microphone (dynamic range ???). These are
>expensive
>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
>has to have a dynamic range of at least 100 dB, like the 2
>EUR external
>soundcards at amazon do (with some luck).
>
>Any help is much apprechiated :-)
>
>73, Stefan/DK7FC
>
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