These days, there’s plenty of options if you want to get a GPS ... GSM modem, but as it only works on 2G networks, provisions have been made in the board design to swap it out for a more modern ...
Acting as a GSM module that can send and receive SMS messages is just the tip of the iceberg for this tiny device which we saw once before for a DIY GPS tracker. With a USB TTL serial data module ...
La carte SIM (de l'anglais Subscriber Identity Module ... et de la mémoire. Elle est utilisée en téléphonie mobile pour stocker les informations spécifiques à l'abonné d'un réseau mobile, en ...
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