About attenuators

Reducing signal strength

The purpose of a RF/microwave attenuator is to reduce power or signal strength. In distributed antenna systems (DAS) attenuators may be required to ensure power / field strength  levels are similar in all areas of a building.

Key specifications are the required frequency range e.g. 680 MHz to GHz, the required power handling (W) and the amount of attenuation (dB). All of these variables affect unit price – wide frequency range high power handling units will be more expensive than narrower frequency range low power devices. High power units e.g. 100 to 200W will be relatively large (and heavy) as they need to dissipate more heat.


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