Wireless BT Module, this Bluetooth module allows you to easily add Bluetooth functionality to your project, enabling control of devices such as switches and LEDs using Android phones. Features: Bluetooth UART RS232 serial converter module for seamless UART data transfer. Supports Bluetooth connection via AT commands, baud rate configuration, password setting, and parameter saving. Enhanced Data Rate (EDR) compliant with 2Mbps and 3Mbps modulation modes per V2.0 + EDR specification. Full-speed Bluetooth operation with support for complete Piconet and Scatternet configurations. On-board 3.3V voltage regulator, ROHS compliant, compact design. Specifications: Compatible with various systems using Bluetooth software stack: * MCU, ARM, or DSP systems * SOC systems * Personal Digital Assistants (PDA) * Computer accessories * Other Bluetooth-enabled systems UART interface with configurable baud rate Supports on-board 8Mbit external flash memory Supports 802.11 coexistence Hardware: CSR solution with Bluetooth V2.0 protocol Supports AT command interface Operates in both Master and Slave modes, configurable via AT commands Baud rate range: 1200 to 115200 Power supply: 3.3V DC Core module dimensions: Approx. 27 x 12.8 x 2.35mm Overall module dimensions: Approx. 44.7 x 15.7 x 3.7mm Package Includes: 1 x Wireless Bluetooth Module