Software Defined Radio Vikas All your wireless devices belongs to me !!
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/