_:n0ab6ece84f2f450683af963f7dd0bb57xb27
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"Hey OP,\nHow big is your WH in SQFT (you mention 50-60k sqft w/one of the WAPs you were looking at, but not clear)?\n\nDo you have metal racking higher than 2 levels?\n\nDo you have microwaves in your WH? Can cause slight interference on CH 11 (but shouldn't! I know!)\nWhat kind of roof do you have? What about the roof supports, what are they made of?\n\nIs your building near a power station?\n\nDo you have concrete walls w/rebar in between where you're putting the WAP and where you want to use it?\n\nI put in UniFi products (the UniFi AP-AC-PRO) and they work great for coverage in our 100k Sq Ft WH. We have metal racking at 3 levels, with a metal roof, with metal trusses, we aren't near a power station (additional RF), and we have concrete walls w/rebar (huge blocker. I had to put one WAP in every room enclosed by concrete walls (normal signal distance of ~80m - UniFi claims 100m, but not in our environment). The Controller is super easy to use, gives you a ton of insight into your environment, and enables easy updates.EDIT: If I was going to do it again, I would get the same products except for in-between the WH racking, where I would get a unit w/external directional antennae.EDIT 2: UniFi Support isn't hard to work with at all - they have fantastic guides on their site, and if you can't figure it out just open a chat session and talk w/an engineer (through your UniFi Controller). I've never waited more than 15 minutes, they do remote sessions, and I've never had an issue last more than an hour.EDIT 3: Carpet, huh? Must have similar properties to dry-wall for absorption (3-5 dBm/layer depending on material). So rolled carpets just eat that stuff up for breakfast. Mounting from ceiling is a must, what kind of sprinkler system do you have? Must be good. Might even consider 1 WAP per Line of Sight in racking w/carpet. There can't be much cross-talk if it can't get to the other side.EDIT 4: Staggering your channels 1/6/11 inside is a must as well - unless your RF Scanner can handle 5GHz in which case you can take your pick of the available channels. If you use UniFi products, do NOT let them auto-choose their channels. Make sure you map them and manually choose them. The auto-channel feature may work initially, but doesn't change unless you reset/update the AP."
<https://frontend.spiceworks.com/topic/2114626-warehouse-wireless-debacle?page=1#entry-7567152>