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Baseband Radio

Radio Module Radio Wave (Travels at the speed of light, c)

BasebandRadio

Radio Module

Radio frequency signal is modulated and encodedwith data. Wavelength is represented by.

WavelengthLow NoiseAmplifier

Power Amp

Low NoiseAmplifier

Power Amp


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Bluetooth Devices

HomeRF

Cordless Devices

Microwave Ovens

X10 Wireless Video Cameras

HAM Radio Operators


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Attenuation

The signal strength is reduced as it passes through an object.

Material Typical Attenuation (Loss) @ 5GHz

Cubical Wall 2dB

Drywall or Sheetrock 3dB

Brick Concrete or Block Wall 15dB

Elevator Shaft 10dB

Glass or Window 3dB

Concrete Floor 11dB


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Wi-Fi Range Demystified

Crossword PuzzleAnswer Key

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