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Time:2022-01-02 18:46:08 Popularity:1176
Compared with 4G, the security of Wifi network is self-evident-Wifi internal network devices do not have independent public network IP, so the attacker must first break through the router to enter the internal network, and some do not connect to the external network. The Wifi network provided a very safe wireless network environment for the intranet.
If you want to transmit data between two devices, regardless of the network speed, even if the transmission speed of 4G and Wifi are the same, choosing a Wifi network has higher security, after all, when you transmit data through the public network , All public network switches that pass through may intercept the data you transmit. Therefore, wifi is still safer than 4G.
4G LTE wireless routers
So how to prevent interference with 4G LTE wireless routers?
1. The detection and mitigation of wireless interference can be performed by using APs that provide access services to scan, or through a network composed of specialized equipment, or even with specialized handheld RF equipment for interference location. It is generally suitable for Small network or small area precise positioning. For large networks, it is generally necessary to deploy a special network for monitoring. For this special network, the equipment is generally an AP in the Monitor state, or a special Sensor.
2, one is mutually independent, that is, the equipment that detects the network and the equipment that accesses the network are managed by different controllers, and there is no interaction between the two;
The other is the integration method, that is, the equipment of the detection network and the equipment connected to the network are managed by the same controller, and the server of the detection network can also process the monitoring data from the AP connected to the network. Compared with the integrated network For the independent network, it has the characteristics of unified management, full use of the resources of the access network, and convenient detection and positioning.
3. When the energy of the air interface signal exceeds a certain value, it performs FFT transformation and further outputs to the WLAN receiver and various recognizers. The former judges whether the interference is a WLAN signal and further analyzes the MAC information, while the latter judges non-WLAN interference sources. type.
4. Wireless interference avoidance and reduction can bring great performance improvements to WLAN network performance. These technical features are generally implemented in the industry. The technical features further improve the entire network from details such as 802.11 message transmission or WLAN overall network coordination, and reduce Mutual interference also has a good effect on improving WLAN network performance. These technical features include: message sending rate adjustment; packet-by-packet power control and intelligent load balancing technology.
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