em... found this info about DIR-615 from
http://techreport.com/forums/viewtopic.php?f=14&t=60862 :
Highlights from low-tier Draft-N roundup (disclosure: affiliated, though interpretation/conclusions may not reflect stated views):
-Only 32 simultaneous connections, compared to 80 for the next lowest device. This is not a router you want to use BitTorrent with.
-50% throughput loss when using WEP/WPA.
-Shorter range than comparable devices. May be sufficient for small apartments, but you may experience problems w/ multifloor locations.
-On the bright side, you're likely to be using G clients. Wireless throughput is within 30% of reaching performance provided by high-end equipment.
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Anyone know the concurrent connection limit for TP-LINK TD-WR841ND ?