(CC2541 module (RF-BM-S02) launched by Xinchida RFstar has passed FCC, CE, RoHS and Reach certification. The module hardware includes three antenna methods: ceramic antenna, IPEX base and antenna pad. The module selects TI Bluetooth 4.0CC2541 of Texas Instruments as the high-performance, ultra-low energy RF transceiver system module of the core manager, which can be widely used for single mode low-power Bluetooth, including a variety of peripherals.)