Thanks for the clarification. I was confused for a while there.
Cheers
Sorry to resurrect an old thread, but Iām experimenting with placements for my hub - I live in an apartment, but have access to the attic so I have some flexibility with running wiresā¦ within reason (what I can fix later with drywallā¦). I noticed in the labeled pics, thereās 4 small solder pads for the antennas for zigbee and bluetooth. While the bluetooth isnāt of much interest at the moment (since its not implementedā¦), the zigbee oneā¦ could a surface mount u.fl (I think thats the right name for it) antenna connector be placed there and an external antenna added? For that matter, the z-wave antenna is certainly easy to get at too (different frequencies obviously) - just thinking about ways to get the antennas away from the board and/or add external antenna āoptionsā - Iām not an RF guy, but I know a little (except terminology apparently).
Iām guessing ST staff isnāt going to reveal much on this one 
but Iām not opposed to modifying things even if its not quite as aesthetically pleasing.
Old thread I know but I always end up here so I might as well add a vanity post and try to help. Quick tear down of the Samsung SmartThings WiFi V2 (model ET-WV525). Since I have 4 I plan on tricking out one and adding some external antennas. The last photo has the antennas Iām going to test.
The uFl connectors for the WiFi can be seen labeled 5G CH0 / 5G CH1 / 2.4G CH0 / 2.4G CH1
It seems that the current antennas are slivers of metal attached to the topside of the plastic housing
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Did you have any luck adding external antennas?