He estado viendo routers, que os parece este para usarlo con con la antena mencionada, se llama Alfa Network AIP-W525H PowerMax 2 - 802.11b/g/n High Power 2T2R AP/Router 300Mbps - 630mW, os dejo una imagen y sus caracteristicas.
PowerMax 2 is the High-Power 4LAN + 1WAN AP/Routher. PowerMax2 support 2x coverage range then other router, also provide high-speed data-rate up to 300Mbps.
• 2.4GHz IEEE 802.11n 2x2 MIMO
• Complies with IEEE 802.11bg
• Data-rate up to 300Mbps
• High power and High sensitivity
• Wide coverage
• RF output power adjustable
• Firewall, URL/IP/Port/MAC filtering
• Firmware upgrade via HTTP
• Support Gateway, Bridge and WISP mode
• Multiple ESSID
• QoS enhancement-WMM
• TCP/UDP/ICMP/ARP protocol stack
• Virtual DMZ, Port forwarding
• Easy setup wizard
• Web-based utility
• Passive PoE
