Firstssensor waxay soo saartay xalka cabbiraadda heerka dareeraha ee IOT, oo loo adeegsado iyadoo lala kaashanayo dareemaheena ultrasonic-ga ultrasonic.
Cinwaanka daboolka Manhole (kormeerka heerka dareeraha ee ultrasonic) wuxuu qaadanayaa tikniyoolajiyadda ultrasonic, iyo tikniyoolajiyadda isgaarsiinta ee NB-IOT iyo tikniyoolajiyadda isgaarsiinta ee 2.4G si loo ogaado la socodka waqtiga-dhabta ah ee heerka ceelasha kormeerka.