Why is Apple Mobile Data called Cellular Network? What is the difference between cellular mobile data and 4g?

**Why is Apple Called a Cellular Network?** Today's communication systems are based on a cellular structure, where the coverage area is divided into hexagonal cells. This is why modern wireless communication is referred to as "cellular mobile communication." It's a wireless networking method that allows devices to connect and communicate with each other while moving. The key feature of this system is the mobility of the device, along with handoff and automatic roaming across different network areas. A typical cellular network consists of three main components: the mobile station, the base station subsystem, and the network subsystem. The mobile station refers to user devices like smartphones or industrial equipment. The base station subsystem includes things like cell towers, radio transceivers, fiber-optic connections, and digital signal processors. Essentially, it acts as a bridge between the wireless and wired networks. **What’s the Difference Between Cellular Mobile Data and 4G?** 4G is a type of cellular network. Cellular mobile communication refers to services such as voice, data, and video transmitted through a network made up of base stations and switching systems. Therefore, cellular mobile data is the data used in these communications—commonly known as mobile data traffic. On an iPhone, you can toggle this on or off via the settings. When enabled, your phone can access the internet through mobile data. If disabled, you won't be able to use mobile data for internet access. The term "cellular network" generally refers to public mobile networks that follow the cellular structure. From 1G to 4G, all these generations are considered part of the cellular network. However, due to factors like terrain, network planning, and technological evolution, today's 2G, 3G, and LTE networks are not strictly "cellular" in the traditional sense. Still, the term has become common practice, so we continue to call them cellular networks. **iPhone Cellular Data Not Working? No "E" Icon, Can’t Access the Internet? Here’s How to Fix It** If your iPhone isn't showing the "E" icon or you're having trouble accessing the internet via cellular data, try the following steps to troubleshoot: - Turn off and then turn on your cellular data: Go to Settings > Cellular. - Restart your iPhone. - Check for any available carrier settings updates. - Update your iOS to the latest version. - Remove and reinsert your SIM card. - If your SIM has a PIN, try disabling it: Settings > Phone > SIM PIN. - Try using your phone in a different location. If the issue resolves elsewhere, contact your carrier. - Reset your network settings: Settings > General > Reset > Reset Network Settings. - As a last resort, restore your iPhone to factory settings. - Contact your carrier to confirm your phone is properly set up for your data plan. If you're abroad, make sure data roaming is enabled and check the costs. Note: If your carrier isn't listed, double-check with them to ensure your settings are correct. If none of the above works, reach out to your carrier directly for further assistance.

4G Industrial Router

Analysis of advantages and disadvantages of 4G industrial routers
First, what is the classification of industrial routers?
Industrial Router (a communication device that can be divided into 2G routers, 2.5G routers, 3G routers and 4G routers according to network standards.

For users, you can communicate with the Internet by setting a default gateway on your PC or network device. In fact, the default gateway configured for network devices is the packet export for network devices. After the packet is sent to the Ethernet port of the router, the router performs the next job, so the router is an Internet relay.

Second, how do industrial routers work
So how does the router forward the packet? Just like getting somewhere, you need to place a route. This route is a routing table. This routing table contains all the destination network addresses owned by the router, as well as the best path to reach those networks through the router. This is because there is a routing table, so the router can forward packets according to the routing table. That's how routers work.

Understand what is an industrial router and how it works, it is not difficult to understand the advantages and disadvantages of the router. Here we focus on the advantages and disadvantages of 4G industrial routers.

Third, the advantages of 4G industrial routers
For networks interconnected via single-protocol industrial-grade wireless routers, the same or different protocols can be used at layers 1-2. Layer 3 uses the same routable protocol and requires the same or compatible protocols at layer 4 and beyond.
Industrial routers can perform complex routing calculations and are suitable for connecting three or more large networks with complex network topologies.
Industrial-grade routers can isolate broadcast storm information in the source network, thereby reducing and mitigating the impact of broadcast storms.
Multiprotocol industrial wireless routers can be used as network interconnection platforms using different communication protocols because they can connect to the network using different communication protocols.
The entire network router can also be used as a bridge to handle non-routable protocols.
Industrial 4G routers enable you to isolate unnecessary communications so that the interconnected network maintains its own area of independent management and control, thereby improving network security performance. Therefore, industrial-grade 4G routers are commonly used as firewalls to restrict access to the internal and external networks (Internet) of the LAN, as well as the internal areas of the LAN, and act as network masking.
It can provide reliable transport and prioritization services, and industrial LTE routers do not need to maintain a persistent connection between networks that communicate with each other.
Complete Netcom router network segmentation improves network performance and reduces host load.
Third, the advantages of 4G industrial routers
High price
When installing an industrial LTE router, it is difficult to install and maintain due to the large number of initial configurations
If you spend more time processing, the transmission performance of the entire network of the industrial router will decrease.
Unlike Bridges, routers across industrial networks are protocol-related. Each advanced protocol used for network connectivity must be configured separately, and an industrial-grade network-grade router with a separate protocol for each protocol must be provided.
Industrial Netcom routers do not support non-routed protocols, so when interconnecting multiple networks, there are restrictions on the protocols used by the connected networks.

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