Integrated Bluetooth Class II Module with Both On-board PCB Antenna and ... + Balun + Filter + X’Tal. + PCB antennaWireless communications module conforming to Bluetooth version 2.1 + EDR, class I. UART, USB, PCM, and ... A2DP source and A2DP sink to less than 80msApplications, stereo/mono headset, automotive hands free, wireless speaker, and wireless Microphone bluetooth pcb ...