What is an emission mask?

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Multiple Choice

What is an emission mask?

Explanation:
The emission mask defines how much energy a transmitter may leak into nearby frequencies, setting a spectral limit to protect other users. It shapes the allowed power distribution around the carrier, specifying attenuation at various frequency offsets so out-of-band emissions stay within regulatory limits. In practice, equipment must conform to this mask, and testers compare the actual spectrum to the mask to verify compliance. It isn’t a safety label, a notch filter, or a protective shield.

The emission mask defines how much energy a transmitter may leak into nearby frequencies, setting a spectral limit to protect other users. It shapes the allowed power distribution around the carrier, specifying attenuation at various frequency offsets so out-of-band emissions stay within regulatory limits. In practice, equipment must conform to this mask, and testers compare the actual spectrum to the mask to verify compliance. It isn’t a safety label, a notch filter, or a protective shield.

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