Software Defined Radio

Software Defined Radio
founder: brmlab collective
depends on:
interested: sargon
software license: -
hardware license: -

The goal of this project is to get education and experience in the complex field of SDR technology and build applications for reception and transmission of various signals.

Předmětem řešení projektu je vytvoření nástrojů programového a elektronického vybavení pro určení typu šifrované komunikace, její následné dekódování a vyvinutí nových metod a nástrojů pro odhalování a vyšetřování případů kybernetické kriminality a ochrany informačních systémů před kybernetickými hrozbami.



  • rtl-sdr sticks
  • bladeRF with USB3
  • Several computers to provide reasonable DSP power
  • Aim to build distributed receiving cluster. Currently radios in brmlab, on brmlab rooftop and at Jenda's rooftop are available.
  • Various antennas (HF, discone, 2m and 70cm Yagi, 2m and 70cm dipole)
  • Satellite card and dish
  • CB and PMR walkie-talkies
  • advice related to Baofeng UV-5R radio

Ongoing activities:

Wanted topics:

  • DSP on GPGPU and FPGA
  • GNSS RX ant TX
  • RFID, KEELOQ, Mifare, BT, wifi hacking
  • BTS testing (tetra, DMR, APCO, D-star, matra, paging,… )
  • HAM HF CW and digimodes TRX
  • Passive and multistatic radars
  • Coherent scanners
  • TRBO cracker
  • Ponnies


< Jenda`>
< Muaddibdib> [wv79DSqVi9w] #195: RF Diplexer Basics: Tutorial, construction and tuning (11:59)
< Jenda`>
< Muaddibdib> [PuG8CCUbg58] #204: Basics of Tunnel Diodes and their applications (19:08)
< Jenda`>
< Muaddibdib> [GvadQpkZ8l0] #260: RF Diode Mixer LO Drive Level & Conversion Loss | 1dB Compression | Distortion (8:47)
< Jenda`>
< Muaddibdib> [SS7z8WsXPMk] #60: Basics of Phase Locked Loop Circuits and Frequency Synthesis (22:12)
< Jenda`>
< Muaddibdib> [gw1TYWwfvGk] #274: Smith Chart Basics: Impedance and Admittance curves and conversion (11:30)
< Jenda`>
< Muaddibdib> [ImNRca5ecF0] #275: Smith Chart: Z, VSWR, Reflection Coef and Transmission Line Effects (15:07)
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