https://community.cisco.com/t5/wireless/question-about-antenna-installation/m-p/4032375#M200095 That, plus you can actually fry the radio interface if no antenna is connected while it's running on high power. Wed, 19 Feb 2020 15:12:35 GMT patoberli 2020-02-19T15:12:35Z https://community.cisco.com/t5/wireless/question-about-antenna-installation/m-p/4031732#M200093 <P>I have 2 AP 2700E y just 4 antennas air-ant2535sdw-r.<BR />what happen, if I install 2 external antennas instead 4 antennas?<BR />How is the behavior of my AP?</P> Mon, 05 Jul 2021 18:44:03 GMT https://community.cisco.com/t5/wireless/question-about-antenna-installation/m-p/4031732#M200093 lalojoshe 2021-07-05T18:44:03Z https://community.cisco.com/t5/wireless/question-about-antenna-installation/m-p/4031805#M200094 <P>You will get degraded performance and potential wireless issues. The AP is designed for all 4 elements to be connected to work correctly</P> Tue, 18 Feb 2020 20:56:15 GMT https://community.cisco.com/t5/wireless/question-about-antenna-installation/m-p/4031805#M200094 Haydn Andrews 2020-02-18T20:56:15Z https://community.cisco.com/t5/wireless/question-about-antenna-installation/m-p/4032375#M200095 That, plus you can actually fry the radio interface if no antenna is connected while it's running on high power. Wed, 19 Feb 2020 15:12:35 GMT https://community.cisco.com/t5/wireless/question-about-antenna-installation/m-p/4032375#M200095 patoberli 2020-02-19T15:12:35Z