1600 series access point

[msprocket]

I have a AIR-SAP1602E-A-K9. My question is do I have to install an antenna on all three antenna connections?

[Leo Laohoo]

If you want a good performance, yes.  

If you don't want to permanently damage your radios, yes.

[mohanak]

Along with Leo u can get the complete details of power transmit:

http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-1600-series/data_sheet_c78-715702.html

Available Total Transmit Power Settings

2.4 GHz

5 GHz

Enabled antennas:

Enabled antennas:

1

2

3

1

2

3

17 dBm 14 dBm 11 dBm 8 dBm 5 dBm 2 dBm

20 dBm 17 dBm 14 dBm 11 dBm 8 dBm 5 dBm

22 dBm 19 dBm 16 dBm 13 dBm 10 dBm 7 dBm

17 dBm 14 dBm 11 dBm 8 dBm 5 dBm 2 dBm

20 dBm 17 dBm 14 dBm 11 dBm 8 dBm 5 dBm

22 dBm 19 dBm 16 dBm 13 dBm 10 dBm 7 dBm