Networking device (6)
(Other definitions for router that I've seen before include "device fitted to computer" , "that easily beats the competition" , "Satnav device" , "Carpenter's power tool; data forwarder" , "computing device" .)
(Other definitions for modem that I've seen before include "Device connecting computer to telephone system" , "Device to connect a computer to a telephone line" , "Internet connection" , "PC/telephone link" , "Communications device" .)