Kyocera develops wireless underwater communications tech that uses lasers to hit 5.2 Gbps — optical approach advances underwater drone comms, boasts blistering speeds at short distances by editors@tomshardware.com (Jowi Morales) from Latest from Tom's Hardware on 2025-11-12 12:00 (#71DHS) Kyocera built a custom system instead of using off-the-shelf parts to achieve this high bandwidth.