About Popoto Modem

Popoto Modem develops advanced underwater acoustic communication systems that enable reliable data exchange in some of the world’s most challenging environments. Based in Sandwich, Massachusetts, our team combines decades of expertise in acoustic communications, embedded systems, digital signal processing, and ocean technology to deliver high-performance solutions for subsea applications.

Our products are designed to support the growing underwater Internet of Things (IoT), connecting autonomous vehicles, scientific instruments, sensors, and marine infrastructure through robust acoustic communications. From compact OEM Acoustic Modem boards to fully integrated, deep-water systems, Popoto Modem provides flexible platforms for researchers, engineers, defense organizations, and commercial operators around the world.