You can check out Loud-Hailer. (Full disclosure I work there.) We enable encrypted mesh networking with a mobile app, no need to buy a device. The messaging is embedded in two different city apps we have: Columbus2GO…
You can check out Loud-Hailer. (Full disclosure I work there.) We enable encrypted mesh networking with a mobile app, no need to buy a device. The messaging is embedded in two different city apps we have: Columbus2GO…