EM Microelectronic EM9305 - Ultra-low-power Bluetooth 5.4 SoC and companion IC featuring a 32-bit ARC core, 512kB Flash, 64kB RAM, a 2Mbps PHY, and a 1.8 × 1.8mm WLCSP23 package, with Long Range, AoA/AoD, and hardware AES-128 for beacons, wearables, asset tracking, indoor positioning, smart homes, and wireless peripherals.