Bluetooth® Smart Module: EYSFCNZXX block diagram

The EYSFCNZXX Bluetooth v4.0 low energy (Bluetooth Smart) module simplifies the addition of wireless to IoT products and has radio approval in the US (FCC), Canada (IC RSS) and Japan (MIC).

Features 
•Frequency: 2402 to 2480 MHz
•Output power: +4dBm typ.
•Single power supply: 1.8 – 3.6V
•Single Mode Bluetooth Smart Slave
•Chip: nRF51822 (Nordic)
•Integrated System/Sleep Clock
•Integrated high performance ceramic chip antenna
•ARM Cortex M0 32bit processor
•256KB flash and 16KB RAM
•Interface: SPI, UART, I2C and 8/9/10bit ADC
•Outline: 9.6 x 12.9 x 2.0 mm with 1mm pad pitch
•Operating Temperature range: -20 to 75 deg-C 
•Bluetooth and Japan, FCC, IC qualified
•RoHS compliant / Complete Lead Free

Applications
•Cycle computer
•Heart rate monitor
•Blood pressure monitor
•Blood glucose meter
•Weighing machine
•Thermometer
•Mobile accessories
•Sports and fitness sensors
•Remote controllers
•Toys

_{Download full block diagram below}