I think the two APs are too far away. I have some CW9163Es and the one with omnidirectional antennas does not throw a usable signal 64m away. It drops off completely at 69m, but is only one bar before 64m. There is a pretty clear line of sight from the AP to the client. Interestingly the 5GHz goes about as far as the 2.4Ghz as the radio power can go higher.
I believe the directional patch antenna should go further, but I haven't had a chance to complete the testing of that yet.
For your distance I think you'll need narrow patch antennas for it to work.
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