Re: [Discuss-gnuradio] Bluetooth using RFX-2400

[Tarun Tiwari]

Hi Dominic,

RFX2400 works in the range of 2.3GHz - 2.9GHz (both TX/RX)

and you may check out 
http://gnuradio.utah.edu/trac/wiki/UsrpRfxDiagrams for connection diagrams. There is a bandpass filter on board which restrict you to ISM band (2.4 - 2.4835 GHz) , but it can be bypassed if you need. Here you may filter 
83.5 MHz spectrum without bypassing the BPF.

Well, can you send me the codes which you have written.

Regards,
Tarun
University of Texas at Dallas
____________________________________________________________________
Dominic Spill wrote on 
Wed, 16 May 2007 17:21:06 +0100:

>Hi,
>
>I know Bluetooth has been mentioned on the mailing list a few time, and the 
>response was a bit varied, but I thought I'd mention that I've been working 
>on it for this for the past few weeks.
>
>I'm using the USRP to sniff packets on a single frequency, and it seems to 
>work well, but the obvious problem is frequency hopping.  I have two 

>questions:
>
>1) What is the bandwidth of the RFX-2400 daughterboard, i.e. how many 
>Bluetooth channels (1MHz intervals) can I receive at any one time with one 
>daughterboard?
>
>2) Or conversely, if I want to watch the hopping pattern using FFTs to get the 
>order of the frequencies that it hops to, how many daughterboard will I need 
>to use to view the full spectrum (80MHz)?

>3) If anyone is interested in playing with Bluetooth and the USRP and would 
>like the code that I've written, let me know and I'll send it.  It's in a bit 
>of a horrible state and there's no documentation as to how it works or what 
>it does.
>
>--Dominic