ELEC 432

Applications

Here are a few examples of wireless and radio systems. They have been roughly organized by the type of service that they provide.
Service Example System
Name Standard Modulation Frequency Bandwidth
Broadcast Audio
AM Broadcast AM 550-1710 kHz 10 kHz
FM Broadcast FM 88-108 MHz 200 kHz
Terrestrial Digital IBOC
DAB
DRM
Satellite Digital
Broadcast Video
Terrestrial Analog NTSC VSB-AM UHF &VHF 6 MHz
Terrestrial Digital ATSC
DVB
Private Audio
wireless microphones
wireless headphones
surveilance/monitoring
Private Video
SSTV
surveilance/monitoring
Two-way Voice
various radiotelephone
Cellular telephone
Walkie-Talkies
Radio Control
Toys AM, FM, PCM 27 & 75 MHz 20 kHz
Surveilance Planes
Car Door Locks
Garage Door Openers 288-434 MHz
Navigation
Non-directional Beacons
Omega 10.2 kHz
Loran 100 kHz
GPS CDMA 1575.42 MHz
Information Services
Time/Frequency
WWV AM 2.5, 5, 10,15,20 MHz
WWVB ASK 60 kHz
Radio Propagation
Weather 162 MHz
Data
Wireless Peripherals
Bluetooth
Wireless Networks
Wi-Fi
Sensor Networks
Space Exploration
Radio Astronomy
SETI
deep-space probes
planetary explorers
Earth Observation
Weather Satellites
Spy Satellites
Radar
Navigation
Weather
Target identification and tracking
Speed monitoring
Pets
Electronic Fence
Pet Tracker
ID Chips
Misc
Wireless Mice
Wildlife Tracking