HC-07 RS232 Wireless Serial Bluetooth RF Transceiver Module for ArduinoElectronics Description :Operating Frequency Band 2. ... Master and Slave mode, modify by AT commander1. CSR Bluetooth Chip Solution2. Bluetooth Spec v2.0+EDR Compliant3. Enhanced Data Rate (EDR ... Converter Module can easily transfer the UART data through the wireless Bluetooth, without complex PCB layout or deep knowledge in the ...