Atmosic chooses CEVA for battery-free Bluetooth 5 IoT chip Chip designer Atmosic Technologies is to use the RivieraWaves Bluetooth 5 Low Energy (RW-BLE5) IP core for a range of low power chips that do not need batteries for wireless communications in the Internet of Things (IoT). The Atmosic M2 and M3 Series IoT systems-on-chip (SoCs) target a range of end markets for low power wireless applications, including wearables, personal and asset trackers, beacons, remotes, keyboards, mice, and more.