The devices listed on the Senet Marketplace are known to be available for the US915 channel plan and are certified or at various stages of being certified to operate on the Senet network.
Ascoel CMUS915LRTH/CMUS915LR Magnetic Contact Sensors
Ascoel Indoor Temperature, Humidity and CO2 Monitor
Ascoel PBUS915LRH (Home/Office Push Button)
Decentlab Air Quality Station for CO2, NO2, NO, CO