Comment on This Espressif ESP32-Powered 4G "Smartphone," Programmed in the Arduino IDE, Packs The Essentials

solrize@lemmy.ml ⁨3⁩ ⁨days⁩ ago

Nice. The 4g module is $17.90 from digikey, much less than last time I looked. I wonder if there’s a 5g version. I also wonder if there’s any issue using retail sim cards and making LTE voice calls.

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