I have purchased 3x of these the all now have the same 5dBi 3x = 15dBi and each router packs a -20dBm = 100mW. Very strong about again if you have older home you have to see how many you need. These cost $50 plus. Depends on where you get it online. I don't have any issues with TP-LINK TL-WR1043ND
32MB of RAM
8MB for Flash
400MHz NPU
832KB Packet Buffer
10/100/1000mbps ports WAN / 4 LAN
USB Port can be use Media server or FTP server using the latest ROM update.
Removable SMA ANT.