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SDR
 
 
 
 
 
 
 
 
 
 

README.md

SDR code

hardware requirements

  • needs a gnuradio-supported SDR with 2.4MS/s samplerate
  • needs a tuner with support for the DECT frequency range
  • rtlsdr with E4000 tuner works
  • rtlsdr with more popular R820T tuner does not work (can't tune to DECT frequency range)
  • tested with bladeRF and rtlsdr w/ E4000 tuner
  • should work with hackRF as well

software requirements

  • needs GNUradio
  • needs a dummy0 network device

usage

  • make
  • create dummy0 interface: sudo modprobe dummy or sudo ip link add dummy0 type dummy
  • start the dummy0 interface: sudo ifconfig dummy0 up
  • run dectrcv as root: sudo ./dectrcv
  • start the SDR part:
    • If you use gnuradio version <= 3.7 : ./dectrx_37.py
    • If you use gnuradio version >= 3.8 : ./dectrx_38.py
  • set channel, gain values and ppm
  • enjoy the DECT packets in wireshark

multichannel

If you want to use the multichannel feature you have to adjust the number of channels in the dectrcv.c.

example

screenshot

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tools for playing with DECT

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