Date post: | 14-Apr-2017 |
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Technology |
Upload: | vikas-jain |
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Software Defined Radio
Vikas
All your wireless devices belongs to me !!
About me
AgendaWhat is radio ?Ham radio/unlicensed bands!What is SDR ?
Tune your self with RLT-SDR to:- l Playing FM on your Laptop
Tracking Airplanes Nova satellites(weather satellites) may be GSM signals ;)
RadioGerman physicist Heinrich Hertz (1857–1894) made the first electromagnetic radio waves in his lab.
Few Terms Transmitter Receiver Transceiver Broadcast Frequency Spectrum Bandwidth Antenna
ISM Band
Ham RadioRequired to obtain a license if someone want to transmit radio frequency .License is granted by WPC in India.
Wireless Planning and Coordination Wing
Allowed HamRadio Frequencies
SDRSoftware-defined radio (SDR) is a radio communication system where components that have been typically implemented in hardware (e.g. mixers, filters, amplifiers, modulators/demodulators, detectors, etc.) are instead implemented by means of software on a personal computer or embedded system.
Started by DoD
SPEAKeasy
SDR devicesRLT-SDR 24MHz-1700 MHz (receiver)
~$20
Hackrf 10MHz -6 GHz (transceiver) ~$300
Blade-RF 300MHz - 3.8GHz (both)~$400
USRF 70 MHz -6 GHz (both)
~$1000
More you Listen more you know !!No transmission, just listening…
No law breaking :)
Demo TimeFM listener
Demo TimeAir Radar System
Demo Time
Demo TimeListening to wireless microphones
Demo TimeListening to cordless phones
Demo TimeFinding bugs (spy devices) in your home ;)
Demo TimeSniffing GSM/CDMA traffic
SDR softwareGnu-radiogrosmosdrlinradsdr#hdsdrgqrx
adsb-scopertl drivers
Thank you !!
Questions ??
References:-http://www.arrl.org/http://rlt-sdr.com/http://greatscottgadgets.com/sdr/