The router is a digital product that basically won't be taken care of when you buy it home, but it is responsible for all the network data transmission work at home. When watching video cards, playing games, and downloading things, you can't watch TV. Everything has a direct relationship with it.
So how can you buy a reliable router, or what parameters or functions should you pay attention to when buying a router? Today we will give you a simple comb.
When you buy a router, you can roughly see the following parameters:
Transmission standard [important]
Antenna gain [important]
Power supply method [general]
Processor [important]
Memory, Flash, etc. [General]
Of course, there are other data parameters, but for those who don't understand it or just ordinary households, knowing the above data is good or bad, let's talk about it one by one.
The transmission standard has the most direct effect on the network speed and connection. It is the IEEE 802.11b/g/n/ac. This standard is an international standard and represents the level of the data transmission rate of the network, from left to right. Increase.
Our most common is to support the IEEE 802.11N protocol (up to 300M). If you see a router that writes IEEE 802.11G, the merchant says it can reach 300M, which is pit for you, because it only supports the 54M standard.
The IEEE 802.11N can support two bands of 2.4 GHz and 5 GHz, which is also known as dual-frequency routing.
What are the 2.4 GHz and 5 GHz bands?
This parameter is the operating frequency of the router (wireless transmission rate). The 2.4GHz band technology is very mature and the most used frequency band. It has the distinctive feature of strong wall penetration. But you also use it, I also use it, which leads to channel congestion, so the network speed will be slower. The simple understanding is that there are too many cars on the highway, and you can't get up quickly.
The 5GHz band is just the opposite. Its transmission rate is very fast, but its ability to penetrate the wall is very weak. However, many routing enthusiasts believe that the 802.11N band mode is somewhat pseudo-5G WiFi, and 802.11AC is the true 5GHz standard.
From the above we can see that there is a clear use between them, the 5GHz band is very fast, but if you change another room, or farther away from the route, or choose the 2.4GHz band is better, you must ensure the signal stable. If you are in the 5GHz band near the route faster.
Antenna gain, the quality of this data determines the signal strength of the router. We must first say a misunderstanding, the more antennas the better the signal, the conclusion is not accurate. If you buy a 300M router, whether they are 2 antennas or 4 antennas, the overall 300M does not get bigger.
The signal strength depends on the antenna gain, placement and some related chips. The antenna gain may not be well understood. Let's focus on it. This parameter is not seen in the specifications of many routers. The current router antenna gain is 2dBi/3dBi/5dBi.
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