... On-board PCB Antenna and SMD Model Number: BTA-BC5ME02-2 Four physical interfaces supporting for various application, USB V1. ... audio operationFor analog audio operation, BTA-BC5ME02-1 module offers 2-channel differential audio I/O ports for enhanced stereo application with ... + X’Tal. + PCB antennaWireless communications module conforming to Bluetooth version 2.1 + EDR, class I. UART, USB, PCM, and I2S ...