i am also in australia and am interested in these modules
who did you use for the local supplier?
how much were they etc?
i am looking at using them to make a radio type telephone/data/everything
else setup, what did you have in mind for yours?

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Lee McLaren
Sent: Friday, May 07, 2004 6:34 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE:] Laipac TRF-2.4G - Comments, experiences?


Thanks Adam,
I got a reply from Laipac yesterday and they told me to talk to the
Australian distributor, It turns out they are only 1/2 hour drive from where
I live and they had some just arrive so I now have 4 to play with.
I will let the list know how I go.

regards


Lee McLaren

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of M. Adam Davis
Sent: Thursday, 6 May 2004 11:13 PM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE:] Laipac TRF-2.4G - Comments, experiences?


About the closest to 'online' purchase of these items is to email Laipac.

The boards are marked TRW-24G, and if you search google on that term
then you'll find that a company called Wenshing in Tiawan has a data
sheet and example schematic (RS-232 to radio) for this device.
http://www.wenshing.com.tw/English/prouducts_info.asp?bookbm=370
Shows the same device

You may be able to purchase them directly from Wenshing - they have a
non-working order button on the screen.

Also, it's just a nordic nRF2401 chip with pcb antenna, so there may be
other companies offering essentially the same thing, and if not you can
buy the parts yourself and integrate it directly into your project.  See
the SAK2 project at MIT (there's a link to it in one of my other posts
in this thread) for an example of a PCB with the nordic chip.

As far as price, it's $15 a module from Laipac, but shipping is always
next day air at $20, so you'll want to buy several at once to offset
shipping.

Also be aware that this module is small - the connector is 1.27mm dual
row with 10 pins.  I sacrificed a compactflash card for the connector
(cut it up, get 3 or 4 ten pin connectors) but it isn't trivial to
prototype with (it's a pain soldering those pins individually!).

Good luck!  Let us know what you find out.

-Adam

Lee McLaren wrote:

>Are there any distributors for the TRF-2.4G, I would like to buy some on
>line but it looks like Laipac don't offer that service.
>
>I had a look on Mouser and Digikey but they don't seem to list them.
>I am in Australia so one in Australia would be good but don't mind
>International.
>
>Does anyone have a rough price for the TRF-2.4G in lot less than 10?
>
>
>regards
>
>
>Lee McLaren
>
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