Differences between modem and 4g lte router with sim card slot

Industry level SMS cat is based on mobile GSM/GPRS network platform, embedded with industry level GSM/GPRS wireless module SMS and Internet devices. Modems are essential to computer networking, and because 4g lte routers with sim card slot are often used with modems, many people confuse them. So, what are the differences between modems and routers?

Industrial MODEM is a modular product specially developed for remote control, remote data acquisition system and remote distributed control system. It is similar in shape to the size of business card, and is easy to connect with the user board.

What are the differences between industrial modems and routers

1. Different functions

Modem is a necessary equipment of computer networking, a dial-up modem computer can, and the 4g router with sim slot is a way to help multiple computers share a network device, with the help of the router, several computers can be in the same Internet line access to the Internet, however, necessary equipment of the router is not the Internet, no router, the computer can still connected to the Internet through modem.

2. Different connection modes

Due to the different functions, the two are connected in different ways. One end of a modem is connected to a telephone line, and the other end is connected to a computer or a 4g lte router with sim card slot.

3. Different appearance

The modem has a simple shape, like a flat rectangular box, which is very small, while the 4g lte router with sim card slot has a variety of shapes, including rectangular shape and oval shape, with a larger volume than the modem on the whole. In addition, the wireless router also has a number of different antenna devices.

4. Different ports

Modems generally have only two ports, one for the phone line and one for the Internet, while 4g lte routers with sim card slot have more ports. Usually, there are five ports, one for the modem, and the rest can be connected to one or more computers at will.

Industry modem application:

Industrial modem applications are based on cabled data communication, and the industrial RS232 interface (RS232 or TTL level) is suitable for power, oil, telecommunications, military and other unmanned environments. Suitable for various industrial PC, meter reading system, remote control system, SCM remote data communication system;

Application: post and telecommunications, finance, power, government, transportation, military, enterprise and other data networks. High-speed line :Internet access, lan-lan connection.