RCDD · Question #243
The MINIMUM number of antennas needed to create a DAS is:
The correct answer is A. One. A DAS requires a minimum of one antenna because the system is defined by its signal distribution architecture, not by a mandatory multi-antenna count.
Question
The MINIMUM number of antennas needed to create a DAS is:
Options
- AOne
- BThree
- CFive
- DSeven
How the community answered
(38 responses)- A84% (32)
- B3% (1)
- C11% (4)
- D3% (1)
Why each option
A DAS requires a minimum of one antenna because the system is defined by its signal distribution architecture, not by a mandatory multi-antenna count.
At its architectural minimum, a DAS consists of a single remote antenna unit (RAU) fed by a head-end signal source such as a bidirectional amplifier or base station. The term 'distributed' refers to how the RF signal is routed and fed through the system, not a requirement for multiple antennas. Practical deployments scale to many antennas, but one is the defined minimum to constitute a DAS.
Three is not the minimum required to create a DAS; while multiple antennas improve coverage overlap, the architecture does not mandate a count of three.
Five antennas may appear in certain coverage design scenarios but represent a deployment choice based on square footage requirements, not the minimum to define a DAS.
Seven antennas far exceed any architectural minimum for a DAS and would reflect a large-scale coverage design decision, not a definitional requirement.
Concept tested: Minimum components required to define a DAS
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