HC05 Bluetooth module

HC-05 Bluetooth serial port communication module is a data transmission module with EDR Bluetooth protocol based on Bluetooth Specification V2.0. The wireless operating band is 2.4GHz ISM and the modulation method is GFSK. The module has a maximum transmit power of 4dBm, a receive sensitivity of -85dBm, and an onboard PCB antenna that can achieve communication over a distance of 10 meters. The module is packaged in a stamp hole and has a module size of 27mm×13mm×2mm, which is convenient for customers to embed in the application system. The module adopts CSR's BC417 chip, supports AT command, and users can change the role (master and slave mode) as well as parameters such as serial port baud rate and device name according to their needs, making it flexible to use.