FSC-BT909C is a Bluetooth 5.2 dual mode audio transceiver SoC module, it offers UART, I²C, PCM/I2S interfaces for seamless integration into certified embedded Bluetooth solutions. With AT programming interfaces, developers can customize applications to support various Bluetooth profiles like HSP, HFP source and sink, A2DP source and sink, AVRCP, GATT, and SPP. It supports Bluetooth® Enhanced Data Rate (EDR) up to 3 Mbps, 18.5 dBm class 1 Tx power enables reliable communication over distances of up to 100 meters, can realize 2000 meters transmission range by utilizing an external whip antenna.
| Bluetooth Standard | Bluetooth v5.2 dual mode |
| Transmit Power | 18.5 dBm (Class 1) |
| Receive Sensitivity | -86 dBm @ 0.1% BER |
| Audio Codecs | SBC and AAC |
| Profiles | BR/EDR: A2DPAVRCP/HFP/HSP/SPP BLE: ATT, GATT Other custom profiles |
| Certifications | FCC, CE, TELEC, IC, KC, SRRC |
| GPIO Count | 13 |
| Interfaces | UART/I2C/I²S/PCM/USB |
| Antenna | On-board PCB antenna by default Support installing external Feasycom antenna or other antenna |
| Dimensions (mm) | 13 × 26.9 × 2.2 |
| Operating Temperature | -20°C ~ +85°C |
| Storage Temperature | -40°C ~ +85°C |
| Supply Voltage | 3.3V |
