open source radio - scale · 2016-01-24 · 7 schuyler st. leger @docprofsky hardware low cost:...
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1@DocProfSky
Open Source Radio
An Introduction to Software Defined Radio
(SDR)
Schuyler St. Leger23 January 2016
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2@DocProfSkySchuyler St. Leger
Radios In Your Life
CellularWiFiBluetoothGPS
Photo used under fair usefrom Huawei
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3@DocProfSkySchuyler St. Leger
SW > HW
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What is it goodfor?
Photo by Justin Smith, used under CC BY SA 2.5Photo by Defence Images, used under CC BY NC 2.0
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5@DocProfSkySchuyler St. Leger
What Is SDR?
Using software to replace most of the hardware
Hardware is still needed for:The RF front end
The ADC (Analog to Digital Converter) / DAC(Digital to Analog Converter)
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6@DocProfSkySchuyler St. Leger
Radio Receiver
Photo public domain by Chetvorno
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7@DocProfSkySchuyler St. Leger
HardwareLow Cost:
RTL2832U – Realtek SDRdongle
24 – 1766 MHz $10 - $30
Medium cost:
FunCube DonglePro + 150 kHz - 2.05 GHz £124.99 ≈ $200
HackRF One 10 MHz - 6 GHz $299
BladeRF 300 MHz - 3.8 GHz $420 or $465
High Cost:
USRP1 $707
USRP B200 70 MHz - 6 GHz $675
USRP B210 70 MHz - 6 GHz $1100
UmTRX 300 MHz - 3.8 GHz $1500
Matchstiq 300 MHz - 3.8 GHz $4500+
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8@DocProfSkySchuyler St. Leger
SoftwareWindows, Mac,and Linux
GNU Radio Toolkit used by most SDR softwareIncludes GNU Radio Companion
Open Source
GrOsmoSDR Library used to interface with hardware Open Source
Linrad Spectrum viewer Open Source
Windows
SDR# Spectrum viewer Closed Source
HDSDR Spectrum viewer Closed Source
Mac and Linux
Gqrx Spectrum Viewer Open Source
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9@DocProfSkySchuyler St. Leger
SoftwareAndroid
SDR Touch Free / $9.99
RTL2832U driver Driver for RTL-SDR
ADSB Receiver Free
ADS-B on USB SDR RTL $1.50
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10@DocProfSkySchuyler St. Leger
Demo Time
• Looking at the spectrum
• Receiving FM radio broadcasts
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11@DocProfSkySchuyler St. Leger
FM Broadcast Band
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12@DocProfSkySchuyler St. Leger
WiFi
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13@DocProfSkySchuyler St. Leger
Microwave
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14@DocProfSkySchuyler St. Leger
Microwave
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15@DocProfSkySchuyler St. Leger
Additional Resources
http://sdr.ninja
http://www.rtl-sdr.com
https://www.radioreference.com/
http://greatscottgadgets.com/sdr/
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16@DocProfSkySchuyler St. Leger
References• https://github.com/bastibl/gr-rds
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17@DocProfSkySchuyler St. Leger
Thanks To
Jared Boone
Russ Handorf
Michael Ossmann
Dominick Spill
Wireless Village crews at DEF CON & Shmoocon
SCaLE team
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18@DocProfSkySchuyler St. Leger
Questions?
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19@DocProfSkySchuyler St. Leger
Thanks
Schuyler St. Leger
https://github.com/docprofsky
@DocProfSky