I've got several of ->http://shop.duxtel.com.au/product_info.php?cPath=23&products_id=257 They are pretty punchy and I'd say a 30 meter radius with a wall between when mounted on the ceiling is there limit. I have both the 2.4 & 5GHz enabled options. However I think 40 Meters through a wall is a stretch for these units especially from the Client TX RSL levels back to the AP. Maybe you should look at a ~10-12dB panel antenna(single chain) in the general direction of your victims/clients & bolted onto a Mikrotik Metal of your choice(select your band!!).. If your after a single MT device and your clients are on 5GHz maybe a mANTBOx-15S that has some gain in the general direction of your clients will cut it.. "As evil as this sounds" : Can you have another AP set as "Repeater mode" where your clients are.. ? Cheers Greg ----- Original Message ----- From: "MikroTik Australia Public List" To:"MikroTik Australia Public List" Cc: Sent:Fri, 23 Dec 2016 01:41:51 +0000 Subject:[MT-AU Public] Wireless at a Distance Lads, Any Mikrotik device suggestions for a device we can set on a wall that’ll service WiFi clients about 40 metres away in one direction. A P2P link with a station in the middle of the serviceable area isn't an option currently, I know would be better solution. Dave Browning | Network Engineer P 07 3369 7666 Level 1, 12 Railway Tce, Milton QLD 4064 This email and any files transmitted with it contain confidential information for the exclusive use of the intended recipient. If you received this email in error please notify Sentrian Pty Ltd immediately by return email to the sender and delete the original email. We do not guarantee that this email or any attached files are free of viruses. All recipients should undertake their own virus scanning. _______________________________________________ Public mailing list Public@talk.mikrotik.com.au http://talk.mikrotik.com.au/mailman/listinfo/public_talk.mikrotik.com.au