Atheros AR7131 MIPS 680MHz 32MB SDRAM, 8MB Flash On board RS232 with DB9 conenctor --> Serial header (requires RS232 adapter) 32-bit mini-PCI Type IIIA 1 X 10/100 BASE-TX (Cat. 5, RJ-45) Ethernet Interface FCC,CE YES 4.2 in. length x 3.5 in. height x 0.6 in. width 0.2 lbs 4 Watts Passive Power over Ethernet (pairs 4,5+; 7,8 return) 5-24V (18V max recommended) Transient Voltage Supression at POE port -20C to 70C (System PCB optimized for hi-temp) Power, LAN, WAN Software adjustable to corresponding to custom RSSI levels