The round was led by Positive Sum, and included new investors Four Rivers, Northgate, and Qualcomm. Previous backers Sequoia, Cascade, Lachy Groom and XYZ also participated.

Blues Wireless (Blues) is a hyperscale cellular IoT solution provider founded in 2019 by serial entrepreneur Ray Ozzie. Their flagship products, Notecard and Notehub, work together to provide a complete high-scale device-to-cloud data pump. Blues reduces the cost and complexity of building connected products by including provisioning, security, and cloud device management as standard features, with the simplicity and flexibility enabling it to be incorporated within new and existing designs.