Comment on I hate Samsung and their dumb software design choices, and this is one of them. Why do I need a SIM card to enable a hotspot whereas every other phone works without one?

• mp3@piefed.ca ⁨2⁩ ⁨weeks⁩ ago

  And a poor Wi-Fi extender as well, since you halve your network bandwidth by using an extender with a single radio chip.

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  • turbowafflz@lemmy.world ⁨2⁩ ⁨weeks⁩ ago

    I’ve only seen that option on phones with two radios, it uses the 2.4GHz radio for one connection and the 5GHz radio for the other

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    • LH0ezVT@sh.itjust.works ⁨2⁩ ⁨weeks⁩ ago

      I am not entirely sure what kind of radio fuckery happens, but my phone (Oneplus 6 with LineageOS) can be connected to a 5 Ghz wifi network and have a 5 GHz hotspot open at the same time.

      I am assuming the wifi chip has two (or more) somewhat independent frontends, since my home wifi and the phone hotspot are on two different 5 GHz frequencies.

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    • forrgott@lemm.ee ⁨2⁩ ⁨weeks⁩ ago

      That’s kinda required. I doubt one antenna can simultaneously send and receive.

      Anyway, there’s still only one controller, so your bandwidth is still halved.

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      • lurch@sh.itjust.works ⁨2⁩ ⁨weeks⁩ ago

        An antenna can absolutely send and receive at the same time. It’s called duplex .

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      • LH0ezVT@sh.itjust.works ⁨2⁩ ⁨weeks⁩ ago

        I am not sure if the bandwidth is really limited by the controller, or by the modulation / signal-to-noise ratios in practical scenarios.

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• kernelle@0d.gs ⁨2⁩ ⁨weeks⁩ ago

  I’ll have to disagree on that one, WiFi extenders extend an existing network, keeping the same network and DHCP is done by the original access point.

  A hotspot creates a new network, and DHCP is handled by the hotspot, not the network on the WAN side.

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