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The line in the phone's specs sheet says "supports 802.11 a/b/g/n/ac/ax" isn't garbled text, it's a WiFi genealogy. 802 is the name of the IEEE committee established in February 1980. 11 is the group that manages wireless within the family, with the letters following the generation number. n stands for WiFi 4, ac for WiFi 5, and ax for WiFi 6. The nickname WiFi 6 was only invented in 2018; before that, the whole world called it 802.11ax, but no one remembered it. After reading this, you'll be able to read the string of letters on the router's detail page and the specification sheet....

A colleague installs gigabit broadband with a budget just over 200 yuan, and in his livestream saw ZTE Xuntian asking if it's worth it. I ran through the Xuntian family from the AX3000 with five antennas to WiFi 7 Qingyun Edition: don't buy the old model with full gigabit ports, the 199 Qingyun Edition has pushed 2.5G ports to bargain price, and the self-developed chip is the signature, but you need to weigh the app and flashing ecosystem first....

A colleague upgraded to gigabit broadband and wanted to change routers, but the details page was full of incomprehensible terms. I broke down the AX3000, 4x4, and OFDMA parameters one by one. To put it plainly: the only valuable ones are the five elements, antenna count and gaming acceleration are just smokescreens, and the four-tier budget is just copying the job....

The ZTE RAX3000Z provided by mobile broadband is not managed at 192.168.1.1 but 192.168.10.1, with only user accounts in the backend and many menus grayed out. There's also a computing power version of the same name, which is a flashing machine with MT7981B chips. Mistakenly swapping the version for flashing is a waste. I've sorted out both versions and job assignments....

Giant frame rates scale the network card's MTU from 1500 to around 9000, pulling six times the load in one trip, and the CPU receives less interrupts by five-sixths. In my test on a gigabit intranet, it was only six points faster; 10 gigabit is its main arena; If one of the three settings is missed, the network will quietly drop large packets, causing files to freeze halfway through....

My cousin was renovating and wiring and was carrying a box of Category 6A cables, asking if I should also replace the yellow cable I had for my home with a good one—he thought fiber optics are a type of network cable, and a thicker one would speed things up. Fiber optic light transmission, network cable power transmission—from distance and anti-interference to manual joints—I'll explain the differences between the two types of cables in one go. You won't regret reviewing before renovation wiring....

The night I got the printer, my phone connected to a WiFi device starting with DIRECT-, searched the router's backend, but couldn't find the printer—it hadn't even passed through the router. Screen casting, Android transfer, and direct printer connection all follow the dedicated WiFi Direct line. Even Apple AirDrop has its own tricks. This article explains the mechanisms and pitfalls thoroughly....

My cousin's home mobile broadband doesn't have public IPv4, so port forwarding is free. I helped him navigate the IPv6 direct connection route: just enter the v6 address on the home NAS for mobile data and you can access it. The pitfalls are concentrated in two places: the address changes and the firewall has two layers, the prefix changes every 24 hours, and the browser requires square brackets—I stepped on them all....

At home, I connected to WiFi to access my own public IP address, but no matter how I tried to tap it, it wouldn't work. As soon as I stepped out, I cut off my phone's data and instantly connected. This isn't a port forwarding error; it's NAT backflow causing trouble. I walked through every step of the bag before I figured it out. The three outcomes corresponded to each type, plus three simple methods that could be done at home....

My cousin liked a 599 gaming router and asked me if playing PUBG would stop 460 yuan. I broke the price difference into three accounts: hardware specs, built-in accelerator, and RGB lighting. For those playing the Chinese server, there are two expenses you can't even spend; the real problem can be solved with a single QoS setting....