Ubiquiti UniFi G3 Reader Pro, Black [UA G3 Pro B] MW S+DA0003 Positron Access addresses the key Positron Access addresses the key challenge of delivering Gigabit Internet access to subscribers in MDUs as well as dense Single Family Unit (SFU) homes by leveraging the existing telephone or coaxial infrastructure to deliver near symmetrical Gigabit services at a fraction of the cost of alternatives It is designed for organizations that want to run high performance infrastructure and self hosted services without relying entirely on external cloud providers Doorbell for unlock with video of visitor and two way intercom IP55 rated weather resistance ( 10 to 45° C)