Electronics Co.The A7139S433 with Wireless Modules SMD RoHS manufactured by Vollgo Electronics Co. is a wireless module that uses a Freescale A7139S chip. This low power, cost-effective module is compliant with the Bluetooth standard, supporting up to 38,4Kbps without any additional hardware connection. It is suitable for a wide variety of applications, such as HID, audio, and many other short-range wireless applications. It is a surface-mount device (SMD) lead-free with the RoHS directive, making it an environmentally friendly option when designing a product. It is an ideal solution for any wireless system that needs to perform in challenging RF environments.