1.6km is not much at all. I can think of several CPE setups over 3km in heavy rural areas (somewhat congested 5GHz band) with no such issues (signal quality, ping times etc). Perhaps a cabling issue...

While we're at it you might as well provide quality stats for your link, i.e. SNR, achieved MCS, b/g/n broadcast mode.

I fail to see why you opted for MCS1 (27/30mbps) in this particular case, perhaps there's reasoning behind it but if there's none and given that you're only ~100m apart I'd suggest that you restore...

Model : Hardware Version : Firmware Version : ISP : According to http://www.tp-link.de/download/CPE210_V3.html - http://www.tp-link.de/download/CPE510_V3.html v3 of the CPE210/200 and CPE510/520 is...

you could add another CPE to broadcast towards another direction (i.e. active switch in effect)

R1D2 wrote - Font size changes to 12px where it formerly was 11px. Unfortunately site survey now looks much worser due to line breaks in table cells. What were they thinking, this looks awful...