STMicroelectronics SPBTLE-RF0TR Bluetooth Module 4.1

The SPBTLE-RF0 is an easy to use Bluetooth® Low Energy network processor module, compliant with Bluetooth v4.1. The SPBTLE-RF0 module supports multiple roles simultaneously, and can act at the same time as Bluetooth Low Energy master and slave device.
The entire Bluetooth Low Energy stack and protocols are embedded into SPBTLE-RF0 module. The external host application processor, where the application resides, is connected to the SPBTLE-RF0 module through a standard SPI interface.
The SPBTLE-RF0 module provides a complete RF platform in a tiny form factor. Radio, antenna and high frequency oscillators are integrated to offer a certified solution to optimize the time to market of the final applications.
The SPBTLE-RF0 can be powered directly with a pair of AAA batteries or any power source from 1.7 to 3.6 V.