The TB-03F with Bluetooth Modules ROHS is a powerful and highly efficient module manufactured by Ai-Thinker. It has a TI CC2540 Bluetooth single chip with an 8051 microcontroller that supports enhanced data rate transmission up to 3MPBS. It has a low-power sleep mode and an integrated antenna, making it ideally suited for applications requiring low power consumption. The Bluetooth module is compliant with Bluetooth V3.0+EDR protocol and supports both Classic and Low Power Modes. It also provides a range of voice services such as HFP, A2DP and AVRCP. It also supports Bluetooth data services such as OBEX, SPP, HID and PAN, making it ideal for a wide range of applications such as monitoring, automation, audio streaming, location tracking, and medical solutions.