E104-BT30 is a multifunctional and cost-effective module developed by our company for audio Bluetooth transmission. The main control uses the CSRA64215 chip of CSR to provide the module with high-quality sound and compatibility. The Bluetooth module uses a driver-free method. Users only need to connect the module to the application product to quickly achieve high-quality Bluetooth audio transmission and enjoy wireless music. And the module supports APTX, APTXLL, ACC and other high-quality sound effects.
Features：Bluetooth V4.2+EDR standard specifications；Support TWS Automatic reconnection ；MIC input APTX、ACC、Aptx Low latency ；AVRCP 1.5、A2DP 1.3 、HFP 1.5 ；CSR latest sixth-generation CVC enhancement technology implements noise reduction and echo cancellation；PCB antenna, the maximum communication distance is 50 meters in open air； Battery level display
Application：High-quality wireless stereo headphones; High-fidelity speaker and sound; Bluetooth car audio&video; Bluetooth speaker calling.
[IC]：CSRA64215
[Frequency]：2402~2480MHz
[Protocol]：V4.2+EDR
[Distance]：50m
[Size]：25*16mm
[Weight]：0.8±0.1g
| Electronic parameter | Min. | Typ. | Max. | Unit | Condition |
|---|---|---|---|---|---|
| Operating voltage | 1.9 | 3.3 | 3.6 | V | ≥3.3V can guarantee output power |
| Communication level | 1.8 | 3.3 | 3.6 | V | Level is determined by VDD-PADS-1 level and VDD-PADS-2 level |
| Operating temperature | -40 | 20 | +85 | ℃ | Industrial design |
| Operating frequency | 2402 | - | 2480 | MHz | Support Bluetooth protocol standard frequency band |
| Not connected current | 0.5 | - | 8 | mA | Bluetooth is discoverable |
| Connected unplayedcurrent | 10 | - | 14 | mA | Bluetooth is connected but no music is playing |
| Audio output statuscurrent | 15 | - | 18 | mA | Bluetooth is connected and playing music |
| Max Tx power | - | 9 | 9 | dBm | - |
| Receiving sensitivity | - | -90.5 | -92.0 | dBm | BDR |
| Main parameter | Description | Remark |
|---|---|---|
| Distance for reference | 50m | Clear and open area, antenna height: 2.5m, indoor communication ≥10m |
| Crystal frequency | 26MHz | - |
| On-board Flash | 4M | - |
| Package | SMD | - |
| Connector | 1.1mm | Refer to size drawings and PCB package library for details |
| Size | 16*25mm | Refer to size drawings for details |
| Antenna | PCB | 50 ohm impedance |
