Cisco MWR-2941-DC-A Router: Mobile Wireless Router, 16T1 Ports, 4 100/1000BaseT Ports, 2 HWIC Slots, Extended operating temperature: -4 to 140??F (-20 to 60??C), 512 MB DRAM and 128 MB external compact flash memory, 20 to 60 VDC (?¤) universal power supply, Dual Power Feeds