The difference between fiber modem and 4g wireless router

Optical modem, also called single-port optical transceiver, is a three-piece optical fiber transmission equipment developed for special user environments. A 4g router with sim slot is a hardware device that links two or more networks, and acts as a gateway in the network

Router: The function of the router is to allow several computers to access the Internet at the same time with one network cable, which plays a role of distribution. Connect the cat on the top and the computer on the bottom.

Cat: The cat calls a modem, and the computer can dial up the Internet through it. Connect the phone line on the top and the router on the bottom.

The appearance and port of the router and the cat are different

The shape and port of the router (wired router and wireless router),

Routers are divided into wired routers and wireless routers. Wired routers are the most common with 4 ports and 8 ports; for wireless routers, 4 ports are the most common, with obvious antennas as identification marks.

The shape and port of the cat:

Two commonly used cat ports: one for the telephone line and the other for the RJ-45 port (network cable);

There is also a cat with router function (the router and the cat are integrated). This kind of cat is relatively rare. This cat has the dual characteristics of a cat and a router. There are more ports, one for the telephone line and four network cable interfaces.