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21 factors affecting your wifi speed

So many people ever asked me what affects wireless signal strength, and complain that the wifi network at home is always slow ,as a network of technology worker, I am so happy to answer these questions.

First of all, I should say that this is a problem at the wifi system level. The following 21 reasons are common factors that affect wifi speed. In fact, all the problems can be summed up in three areas, the Hardware, Software, Environment.

Before we talking about this topic, I ever found a video to share with you,

1

Hardware, Mainly associated with the wireless router’s board.

  1. RF Transmit power. It represents the size of the wireless signal’s  energy, also it affects the transmission distance of the wireless router, and the ability to penetrate the wall. You should enter in the router’s configuration dashboard,  some products let you make a  selection for the transmit power of the access point. Generally,  the options are Full, Half, Quarter, Eighth, and Minimum, and the default are Full. One thing we suggest is that decreasing the transmit power if more than two APs are close together and use the same channel frequency.  And you should remember that the transmit power may vary depending on the local regulatory regulations.ASUS AC5300 Wireless Tri-Band Gigabit Router
  2. RF-Receiving sensitivity. Basically, this parameter may be more difficult for the consumer to understand, but if you are an R&D or a hardware geek, you must know its importance. It determines the wireless signal coverage, whether it can effectively upload network resources or not especially at the long distance.
  3. Wireless Antenna.  We remind that if you are choosing a wireless router, you’d better pay attention to the antenna gain, efficiency, etc.  and external antenna may have a better performance than the built-in one. Because a good antenna system contributes to the transmission and reception of wireless signals.
  4. Dual frequency signal interference.  This issue exists in many dual-band and tri-band products. Because the spectrum bandwidth of the 5G wireless signal is wide, it is easy to generate noise in the 1G-5GHZ band when it is at work, especially when 2.4G wifi and 5.8G wifi work at the same time. Generally, in the very expensive router inside, they have solved this problem on hardware by designing a bandpass or low-bandpass filter, This indicates a rise in design costs.
  5. Pay your attention to USB3.0.  Have you ever encountered such a problem, sometimes you are using USB3.0  device on the router, 2.4G wireless signal connection speed will be poor or even broken? That is because the noise generated due to the USB 3.0 data spectrum can have an impact on radio receivers whose antenna is placed close to a USB 3.0 device and/or USB 3.0 connector. The noise is a broadband noise that cannot be filtered out since it falls within the band of operation of the wireless device (2.4–2.5 GHz).The noise degrades the signal-to-noise ratio that the wireless receiver sees and limits its sensitivity. This then reduces the operating wireless range of the device. One suggestion is using a USB extension cable to leave the USB device away from your wireless router to reduce interference.
  6. Wireless standard. If you are using some other wireless devices under the 2G wireless standard, such as microwave ovens, Bluetooth, etc., it will also affect the wifi link rate.ASUS RT-AC88U Wireless-AC3100 Dual Band Gigabit Router
  7. Thermal design.  Mini-type wireless products generally have a balance between heat dissipation and wifi performance, when the wireless is under high traffic, the system will overheat lead to wireless performance degradation. So when you choose a wireless router, pay attention to the product’s thermal design.
  8. Choose a  chip solution platform. Chip process technology, hardware architecture and CPU processing capabilities will have an impact on wireless performance. In the field of wireless solutions, the better selection order is Broadcom -> Qualcomm -> MTK -> Realtek ->Others …

2

Software , Mainly some configurations and services.

  1. Select a wifi working mode. The repeater mode of the access point, bridge mode, AP mode, etc., will have different wireless performance.
  2. A clean chNETGEAR Nighthawk AC1750 Smart Dual Band WiFi Router (R6700)annel. To 802.11n, for example, only 3,6,11 these three channels are non-overlapping, if all the surrounding equipment to select one of the three channels, it will cause the channel to seize and block resources. If you choose the adjacent channel, because the spectrum has a cross-component, it will cause some interference. So, “to avoid the channel” is also a means to enhance performance.
  3. Country code. Choose the right location, the transmit power may vary depending on the local regulatory regulations. Refer to the 1st key point [RF Transmit power].
  4. Encryption algorithm selection. The encrypted wireless network throughput will be lower than the open network. If you do not mind the security issue, you can try to disable the WEP, WPA, or WPA2 encryption.
  5. Algorithms or related configuration options.  LDPC, SGI, STBC, etc. will improve performance. Select a right Bandwidth, modulation mode, and other options.
  6. Compatibility with older standards. Maybe your mobile phone, pad, laptop and other device is under the old wifi standards, such as only to support the 802.11g protocol, that means your wifi link rate is limited as max as 54Mbps. It’s far recommended that in case you need to experience the total capability of recent requirements of technology, you replace all present, vintage gadgets that could limit your network performance.
  7. Wifi signal sharing. while an increasing number of customers get right of entry to the wi-fi network, this connection sharing method that the get entry to factor must try and speak with more devices.The get right of entry to point have to allocate its assets to every person primarily based on the quantity of radio its miles going for walks. complete-duplex devices can ship and receive information at the equal time, while 1/2-duplex devices can best be despatched or received at any time.NETGEAR Nighthawk X6 AC3200
  8. Network load and usage. You will discover that the extra customers which are utilizing the network bandwidth, the less that there’s to proportion among them. As bandwidth requirements increase to your community (video streaming is one bandwidth in-depth utility), you would need to put money into equipment that can cater for excessive throughput speeds to preserve the overall performance and network reliability at an excessive degree.
  9. Internet Service Provider Speed.  In the front of we discussed some hardware troubles, in reality, hardware issues may not be the perpetrator to sluggish down the network velocity. every now and then the trouble can be the result of a gradual net carrier that could definitely be provided by way of an internet service issuer .some contracts are supplied in alternate for a less expensive month-to-month rate to provide a lower connection pace. If this is the case, users want to touch their ISP to speak about improvements to exceptional connection eventualities.
  10. QoS function(was added on 12/29/2017). In multi-device systems, if the network environment is more complex, such as the school free wifi, the coffee bar, the hospital, the administrator will limit the wifi speed depends on the QoS function, so that different device has different speed for uploading and downloading resource, so users can make full use of network bandwidth.

3

Environmental ,Your house environment

  1. Chose a right placement.Put your wireless access point in an empty location, preferably in the center of the house, as far as possible no shelter is around. So that the wireless signal RSSI can get a more balanced strength, that can be effectively transmitted.Linksys Velop Tri-band Whole Home WiFi Mesh System
  2. The material and structure of your house. The wood walls, load-bearing walls, glass walls bring different signal attenuation for a wireless signal, that will take an effect on wifi link rate. Especially 5G products, it has the greater degree of attenuation under the non-line-of-sight transmission model and is more sensitive to external noise.
  3. Environment climatic factor.  Yes, we are not kidding, from our many years of wireless product development experience, we can make a conclusion that such as rainy days, haze days, will have a great impact on the wireless signal and so on, in this environment, the wireless signal Multipath fading effect is more obvious.
  4. Wireless communication distance.  Obviously the farther the communication distance means that the signal will be weaker and the wireless rate will be lower.

Some wifi products you may need to have a try.

1.10 best wireless routers for gaming 2018

NETGEAR Nighthawk X6 AC3200
NETGEAR Nighthawk X6 AC3200

NETGEAR Nighthawk X6 AC3200 Tri-Band Gigabit WiFi Router (R8000) Compatible with Amazon Echo/Alexa

$$$
ASUS RT-AC88U
ASUS RT-AC88U

ASUS AC3100 WiFi Dual-band Gigabit Wireless Router with 4x4 MU-MIMO

$$$
Apple AirPort Extreme Base Station ME918LL/A
Apple AirPort Extreme Base Station ME918LL/A

Apple AirPort Extreme Base Station ME918LL/A (Certified Refurbished)

$$$
ASUS AC1900 WiFi Dual-band
ASUS AC1900 WiFi Dual-band

3x3 Gigabit Wireless Router with AiProtection Network Security Powered by Trend Micro, AiMesh Whole Home WiFi System Compatible (RT-AC68U)

$$$
Google Onhub Dual-Band Wireless AC1900 Router
Google Onhub Dual-Band Wireless AC1900 Router

Google WiFI Router – Onhub AC1900 with Wave control

$$$
Google WiFi Router - OnHub AC1900 (Black)
Google WiFi Router - OnHub AC1900 (Black)
$$$
NETGEAR R6700 Nighthawk AC1750 Smart Dual Band WiFi Router (R6700)
NETGEAR R6700 Nighthawk AC1750 Smart Dual Band WiFi Router (R6700)
$$$
ASUS AC3200 Wireless Tri-Band (Dual 5GHz + Single 2.4GHz) Gigabit Wi-Fi Router
ASUS AC3200 Wireless Tri-Band (Dual 5GHz + Single 2.4GHz) Gigabit Wi-Fi Router

Ultra-Fast 802.11ac 3200 Mpbs Wi-Fi Speed, 3 x 3 Antenna Design, 4 Gigabit LAN Ports, AiProtection Security

$$$
D-Link Wireless AC1900
D-Link Wireless AC1900

Smart Dual Band – MU-MIMO – Powerful Dual Core Processor – Fast Wi-Fi for Gaming and 4K Streaming – Reliable Coverage (DIR-878)

$$$
TP-Link Archer C7
TP-Link Archer C7

Wireless Dual Band Gigabit Router (AC1750)

$$$

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