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/