E104-BT07 is a serial port to BLE Bluetooth module based on Bluetooth protocol version 5.1. It is small in size, low in power consumption, and works in the 2.4GHz frequency band. Bluetooth modules can be widely used in smart wear, home automation, home security, personal health care, smart home appliances, accessories and remote controls, automobiles, lighting, industrial Internet, smart data acquisition, smart control and other fields.
| Parameter | Specification |
|---|---|
| Model | E104-BT07 |
| Bluetooth Protocol | BLE 5.1 |
| Communication Distance | 130 meters |
| Frequency Band | 2.4 GHz |
| Dimensions | 21.9 x 14.6 mm |
| Main parameters |
Performance | Remarks | |
| Minimum value | Maximum value | ||
| Supply voltage (V | 1.8 | 3.6 | Exceeding 3.6V permanently burns the module |
| Blocking power (dBm) | - | 10 | Less chance of burning when used at close range |
| Working temperature (℃) | -40 | 85 | industrial grade |
| Main parameters | Performance | Remarks | |||
| Minimum | Typical | Maximum | |||
| Working voltage (v) | 1.8 | 3.3 | 3.6 | ≥3.3V can guarantee the output power | |
| Communication level (V) | - | 3.3 | - | There is a risk of burning when using 5V level | |
| Working temperature (℃) |
-40 | - | 85 | industrial design | |
| Working frequency band (MHz) | 2402 | - | 2480 | Support ISM frequency band | |
| Power Consumption | Emission Current (mA) |
- | 6.3 | - | The default broadcast interval is 1S |
| Receive current (mA) | - | 6.2 | - | - | |
| Sleep current (uA) | - | 0.6 | - | deep sleep | |
| Transmit power(dBm) | -20 | 0 | 8 | - | |
| Receiving sensitivity (dBm) | - | -99 | - | Air rate is 1Mbps | |
| Sleep broadcast current (default) | - | 6.3 | - | Unit: mA. The default broadcast interval is 1s | |
| Sleep connection current (default) | - | 170 | - | Unit: uA. The default broadcast interval is 1s | |
| Wake up broadcast current (default) | - | 66 | - | Unit: uA. The default broadcast interval is 1s | |
| Sleep without broadcast current (default) | - | 0.6 | - | Unit: uA. The default connection gap is 500ms | |
| Main parameters | Description | Remarks |
| Reference distance | 130m | Clear and open environment, height 2.0 meters; @8dBm; Airspeed: 1Mbps |
| bluetooth protocol | BLE5.1 | - |
| Communication Interface | UART | - |
| Encapsulation | SMD | - |
| Dimensions | 21.9*14.6mm | - |
| RF interface | Onboard PCB Antenna | The equivalent impedance is about 502 |
| weight | 1.2 ± 0.1g | - |
Practical Application Scenarios
1. Smart Wearable Health Monitoring
The E104-BT07 is perfectly suited for personal health devices such as heart rate monitors or activity trackers. Its low-power design ensures that battery-operated wearables maintain long operational life, while the BLE 5.1 protocol facilitates stable data synchronization with smartphones and tablets.
2. Industrial Data Acquisition Nodes
Engineers utilize this module to bridge field-level sensors to local gateways or handheld diagnostic tools. By converting serial data to wireless BLE signals, it enables maintenance technicians to inspect industrial equipment or verify smart sensor status wirelessly without opening control cabinets, significantly improving safety and efficiency.
3. Smart Home Appliance Interconnectivity
In modern smart home ecosystems, this module enables local control for home appliances, lighting, and HVAC systems. It provides a reliable short-range wireless interface that allows appliances to communicate with local controllers or user smartphones for remote adjustment and real-time status monitoring.
FAQ Section
1. Does the E104-BT07 support mesh networking capabilities?
The module is primarily designed for high-performance point-to-point serial-to-BLE communication. While it leverages the BLE 5.1 standard for stable connections, it is optimized for simplicity in serial data transmission rather than complex multi-node mesh topologies.
2. Can I update the module firmware over the air (OTA)?
The module is designed for serial-port-based transparent data transmission. For advanced firmware updates, please refer to the technical manual regarding the specific hardware interface requirements, as OTA support depends on the implementation of your specific end-product firmware.
3. How does this module perform in terms of power consumption?
The E104-BT07 is engineered for ultra-low power consumption, making it ideal for battery-powered scenarios. It employs intelligent power management to minimize current draw during data transmission and idle states, ensuring it does not deplete energy reserves in portable or remote sensors.
