Passive DAS use passive radio frequency components like coaxial cables, splitters, tappers, and couplers .connectors...
Passive distributed antenna systems are cheaper relative to the other types of DAS, partially because it doesn’t require extra equipment to support multiple carriers. The absence of extra equipment can also make passive DAS simpler to maintain.
Passive DAS run on coaxial cables, and longer runs of cable suffer greater attenuation. The attenuation problem requires more precise link budget calculation.
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