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Which two methods can be used to prevent or reduce RFI from colocated directional antennas（）
- A、Alternate polarization between colocated antennas
- B、Cross-polarize antennas between endpoints
- C、Install an RF-shielded box around the antennas
- D、Increase the distance between the antennas
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Install bi-directional amplifiers at both sites.C
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多选题Which two Cisco antennas provide better isolation from RF sources that might be located behindthe antennas？（）AAIR-ANT3213BAIR-ANT2465P-RCAIR-ANT1949DAIR-ANT5160V-R
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