Ruotsalainen Minut on kehittänyt Point-nimisen lähettimen, joka yhtenä ensimmäisistä markkinoilla tekee hälytyksenä kännykkään uutta LTE-M-linkkiä pitkin. Kyse on uusimmasta mobiiliverkkojen IoT-tekniikasta, joka tulee hieman esimerkiksi NB-IoT-yhteyksiä nopeampaa datansiirtoa.

Point eli ”piste” on halkaisijaltaan 85 milliä ja 46 milliä paksu kiekko. 180-grammaisen hälyttimen radio perustuu Nordic Semiconductorin nRF9160-järjestelmäpiiriin, joka LTE-M-yhteyksien lisäksi NB-IoT-yhteyksiä.

Laite toimii liiketunnistimena, mittaa lämpötilaa, kosteutta ja ilmanpainetta, ja tunnistaa ääniä ympärillään. Asennus onnistuu magneettisella alustalla alle viidessä minuutissa.

Minut-yrityksen mukaan 180 grammaa painava kiekko poistaa tarpeen asentaa erilaisia hälytysjärjestelmiä kotiin tai toimistoon. Käyttäjän yksityisyys on suojattu niin, että kaikki data prosessoidaan paikallisesti, joten se ei oikeastaan koskaan lähde kiekosta minnekään.

Laite tunnistaa esimerkiksi rikkoutuvan lasin äänen murtotilanteissa. Se voidaan myös asettaa lähettämään hälytys naapurille. nRF9160-piiri on kooltaan vain 10x16-millinen ja se tarvitsee tuekseen vain pariston, SIM-kortin LTE-verkkoon liittymiseen ja antennin.

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