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Why Is the Signal Strength That a STA Receives from an AP Weak?
The possible causes are:
- The transmit power of the AP is low. In this case, increase the transmit power.
- The antenna system of the AP (indoor DAS AP) is not properly deployed.
- The output power on antenna interfaces is low because the AP connects to excess antennas. Or the feeder lines are too long.
- The passive devices (combiner, splitter, and coupler) do not comply with design principles or specifications or are not properly connected.
- The passive devices have unloaded interfaces.
- The STA is far away from the AP's antennas, so the signal loss is large.
- Signals are blocked by a beam, post, concrete wall, metal door, or other obstacles between the STA and antennas. In this case, change the antenna installation positions.