Modem vs. Router: What's the Difference? | Wirecutter
Modem vs. Router: How Do They Differ?
A modem is a network device that both modulates and demodulates analog carrier signals (called sine waves) for encoding and decoding digital information for processing. Modems accomplish both of these tasks simultaneously
25,000+ Modem Stock Photos, Pictures & Royalty-Free Images - iStock | Old modem, Router, Internet