As a technician who installs internet services the above assertions are true. 2.4ghz frequency travels further and has better penetration due to the lower frequency. 5ghz will provide faster speeds at a shorter distance. Most modems now are equipped to automatically divert traffic to the most optimal frequency.
There are some that don’t, which will cause issues with certain devices like printers and home cameras if you try to connect other devices to them that are on a 5ghz frequency. They will not talk to each other.
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As a technician who installs internet services the above assertions are true. 2.4ghz frequency travels further and has better penetration due to the lower frequency. 5ghz will provide faster speeds at a shorter distance. Most modems now are equipped to automatically divert traffic to the most optimal frequency.
There are some that don’t, which will cause issues with certain devices like printers and home cameras if you try to connect other devices to them that are on a 5ghz frequency. They will not talk to each other.