Real time outdoor air quality monitoring has become a necessity for smart cities and the Tri Cascade device is the first NB IoT to be installed, connected and operating for the test city of Las Vegas ( OTC:SRMX)  

This is the Tmobile test city. Srmx has the first 5G outdoor air quality monitor to be tested there. The big news should be released this month for acceptance and sales with Tmobile. This has been over a year in the making.