Wi-Fi

connectivityessential
wirelesslocal network802.11

A wireless networking technology that allows devices to connect to the internet or communicate with one another without the need for cables.

Examples

Home network

Wi-Fi router broadcasts signal allowing phones, laptops, smart TVs to connect wirelessly

Standards

Wi-Fi 6 (802.11ax) offers speeds up to 9.6 Gbps theoretical maximum

Typical Values

Wi-Fi 5 (802.11ac)433-1733 Mbps
Wi-Fi 6 (802.11ax)600-9608 Mbps
Wi-Fi 6ESame as Wi-Fi 6 but with 6GHz band

Common Misconceptions

  • Wi-Fi speed is often much lower than wired due to interference and distance
  • Wi-Fi doesn't provide internet - it connects devices to a router that has internet

Optimization Tips

Place router centrally and elevated

high impact

Use 5GHz band for less interference

high impact

Update router firmware regularly

medium impact

Use Wi-Fi 6 devices when possible

medium impact

User Impact

Mobility

Allows device usage anywhere within signal range

Multiple devices

Signal quality decreases with more connected devices

Troubleshooting

Issue: Weak signal

Solution: Move closer to router or add Wi-Fi extenders

Issue: Frequent disconnections

Solution: Update drivers, change channel, or check for interference

Technical Details

Specification: 2.4GHz, 5GHz, and 6GHz frequency bands
Standard: IEEE 802.11 family of standards