onsemi NCH-RSL10-101S51-ACG, Bluetooth System On Chip SOC for Wireless Communication, 51-Pin SIP

Ultra-Low-Power:
Lowest power consumption in Deep Sleep Mode (62.5 nW) and Rx in Receive Mode (7 mW)
Best EEMBC® ULPMark™ scores (1090 ULPMark CP @ 3 V, 1260 @ 2.1 V)
Complete Solution
Fully-integrated antenna
RSL10 Radio SoC
All passive components
Advanced Multi-Protocol Wireless Functionality
Supports Bluetooth Low Energy and 2.4 GHz proprietary/custom protocols
Rx Sensitivity: -93 dBm
Transmitting Power: -17 to 0 dBm
Supports Firmware Over The Air (FOTA)
Other Key Technical Features
Built-in power management
Advanced dual-core architecture
1.1 to 3.3 Voltage Supply Range
384 kB Flash, 76 kB Program Memory, 88 kB Data Memory
IP protection feature to secure flash contents
Configurable analog and digital sensor interfaces (GPIOs, LSADs, I2C, SPI, PCM)
Applications
IoT Edge-Node Applications
Bluetooth Low Energy Technology
Energy Harvesting
Wearables
End Products
Fitness and Trackers/ Wellness Monitors
Smart Watches
Smart Locks
Appliances (e.g., A/C, fans, etc.)
Lighting Applications