AP 7662

[aalvarez1]

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[ckelly]

If you are able to attach external antennas, then that means there are NO internal antennas to being with.  Therefore, there is no gain to add to.

If you have a 7662 with internal antennas, then you cannot attach external antennas, and once again, there is no gain to add to the internal antennas.

[aalvarez1]

My question is whether to place an external antenna if it cancels the internal gain of the AP. 

[ckelly]

If you have an external antenna model 7662, then there are no internal antennas to add to.