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Many friends don't know how to set up 2.4G and 5G frequency bands on their home routers, and I will sort out the differences between 2.4GHz and 5GHz Wi-Fi frequency bands and setting suggestions for you in detail. 📡 2.4GHz vs 5GHz Core Difference Comparison Features 2.4GHz 5GHz Wide coverage 🟢, strong 🔴 wall penetration ability Narrow, weak wall penetration ability Transmission speed 🔴 up to about 150-600Mbps 🟢 Up to 1.3Gbps+ (Wi-Fi 6 can......

Let's talk about the conclusion First, as long as the motherboard meets the following three conditions at the same time, the SPI-NAND Flash on the original machine can be replaced with SPI-NOR Flash to revive the "brick": The PCB reserves an 8-pin SPI-NOR pad (or you can fly the wire to solve it). The SoC boot pin can be switched to SPI mode (usually pulled up and down by 0 Ω resistor or empty pads). You can get "... ...

1. Review of the phenomenon According to the tutorial on the Internet, write openwrt-rk3566-panther-x2-ext4.img to the TF card with Win32DiskImager, power on → the network port light is on→ the computer gets 192.168.1.1 → everything is fine. I want to permanently move the system into 32 GB eMMC, so dd if=xxx.img of=/dev/mmcbl......

Fault phenomenon After flashing U-Boot (or Breed) for Luban (CreativeBox-CB3), the web background can no longer enter the system, and as soon as the browser is opened, it is the "U-Boot update page" - upload, restart, upload, dead loop. TTL serial port observation, and found that the machine always stops at Hit any key to stop autoboot, while manual bootm ... ...

Problem description: I use 2 Xiaomi AX3000T at home and set up 1 mesh, but sometimes I find that the mobile phone will be disconnected from the network when I swipe the video. Moreover, the mesh function of the sub-route can only be set to automatic, and if it is set to wired, it cannot be networked. The problem may occur: 1. The firmware has a timed disconnection bug; 2. Wired Mesh pair connection order, network cable, switch, main route, optical cat; 3. The wireless backhaul is easy to interrupt when the channel is crowded. Follow these 5 steps in order,......

Xiaomi AX3000T official firmware write limit of 20 KB", the symptom is that as long as the file is transferred with scp as long as it exceeds 20 KB, an error will be reported, and it is basically certain that /usr/sbin/dropbear or /usr/bin/dbclient in the official firmware has been added by Xiaomi with a hard-coded restriction to prevent everyone from dragging large third-party packages (such as ShellClash, OpenClash, etc.) into the router at one time. Simple......

Q: The original pre-buried network cable is broken, can the optical cat and the router connect wirelessly without a network cable? There is only one signal in the room, and the Internet is very stuck, so I want to buy a router back to enhance the wireless wifi signal. Answer: If your optical cat has wireless WiFi function, then you can use the router wireless bridging function to connect, no network cable is required, but the distance between the optical cat and the router should not be too far, it is recommended to give priority to connecting to the 5G frequency band signal. Many users did not consider the network when decorating their homes before, and the home ......

Q: What is the reason why the 2.5G port cannot be dialed in the bridge mode of the Fiberhome HG5582A Lightcat? But connecting to the router with a gigabit port can dial normally. Answer: Let's first analyze the problem from 3 points: There is a high possibility of rate negotiation failure "2.5G can not be dialed when connected to 2.5G", but "the gigabit port can be connected to the 2.5G port", which may be a problem with the rate negotiation between the 2.5G ports, or the failure of the optical cat or router at the 2.5G speed......

tell you something, has anyone encountered a strange situation after using a TP-LINK router for MESH networking? Even though all devices can access the Internet normally, whether they log in to the APP or the web management background, it will display "No network cable connection at the WAN port". I encountered this problem before, and I was quite panicked at first, but later I found that I didn't have to worry about it at all, and it was useless to restart, probably a small bug in the router. ...

question: Redmi AX5 and AX3000 brushed the inbound AP, 5G channel selected 36 but can only reach 40, using the latest official test firmware, I don't know if it is a display or firmware problem. Answer: The problem you encountered "5G channel selection 36 can actually only reach 40" is most likely due to a driver or UI display defect in the inbound AP firmware on the Redmi AX5 / AX3000, not hardware support it. The following are the reasons and tryable troubleshooting/solution ideas......