The Ebyte E104-BT5005A is an ultra-compact, low-power serial-to-BLE 5.0 master-slave integrated module powered by the Nordic nRF52805 chipset, operating in the 2.402–2.480GHz ISM band, designed for seamless wireless integration in space-constrained IoT applications requiring efficient data transmission.
| Technical Parameter | Specification Details |
|---|---|
| Chipset (IC) | Nordic nRF52805 |
| Bluetooth Protocol | BLE 5.0 |
| Operating Frequency | 2.402 to 2.480 GHz |
| Module Size | 9 x 9 mm |
| Product Weight | 0.35 g |
| Parameter | Performance | Remark | |
|---|---|---|---|
| Reference distance | 70m | Clear and open environment, height 2.0 meters; @4dBm;air speed: 2Mbps | |
| Bluetooth protocol | BLE5.0 | - | |
| Communication Interface | UART | - | |
| Package | SMD | - | |
| Interface method | 1.1 mm | - | |
| Dimensions | 9*9mm | - | |
| Antenna | Ceramic antenna | Equivalent impedance is about 50Ω |
| Parameter | Min. | Typ. | Max. | Unit | Remark |
|---|---|---|---|---|---|
| Operating voltage | 1.7 | 3.3 | 3.6 | V | ≥3.3V can guarantee output power |
| Communication level | - | 3.3 | - | V | Using 5V level is risky to burn |
| Working temperature | -40 | - | +85 | ℃ | Industrial design |
| Operating frequency | 2402 | - | 2480 | MHz | ISM frequency band |
| Emission current | - | 7.2 | - | mA | - |
| Receiving current | - | 6.4 | - | mA | - |
| Maximum transmit power | -3.5 | 3.8 | 4 | dBm | - |
| Receiving sensitivity | - | -96 | - | dBm | Bluetooth®lowenergymode |
| Sleep broadcast current((default) | - | 6 | - | uA | Unit: uA.The default broadcast interval is 1s |
| Wake-up broadcast current((default) | - | 5.8 | - | mA | Unit: uA.The default broadcast interval is 1s |
| Wake up without broadcast current(default) | - | 1.8 | - | mA | Unit: mA.The default connection gap is 500ms |
Practical Application Scenarios
1. Smart Wearable Health Monitors
The E104-BT5005A is ideal for ultra-compact health monitoring devices such as smart rings, wristbands, and medical patches. Its minimal 9x9mm footprint and low power consumption allow developers to integrate high-efficiency Bluetooth connectivity into devices with limited battery capacity, ensuring reliable data synchronization with user smartphones without compromising device ergonomics.
2. Industrial Wireless Sensor Networks
In factory automation, this module enables wireless telemetry for small-scale sensor nodes. By utilizing its master-slave integrated mode, engineers can easily connect local environmental or vibration sensors to a central gateway or handheld maintenance tablet. This simplifies the wiring harness on production lines and provides a cost-effective path for upgrading legacy equipment to modern, digitalized standards.
3. Smart Home Accessory Controls
This module is frequently used in home automation peripherals like smart electronic door locks, window sensors, and intelligent lighting switches. Its support for BLE 5.0 ensures robust connectivity and rapid pairing with smart home hubs. The module's low power consumption extends the battery life of these devices from months to years, significantly reducing maintenance costs for end-users.
FAQ Section
1. How does the "master-slave integrated" capability simplify firmware development?
The master-slave integrated mode allows the module to switch between central and peripheral roles, reducing the need for separate hardware versions. Developers can write firmware that uses the module to either discover and control other devices (master) or advertise and receive commands (slave). This versatility simplifies inventory management for OEM manufacturers and streamlines the application code architecture for embedded engineers.
2. Can this module maintain a stable connection in environments with high 2.4GHz interference?
Yes. The nRF52805 chipset utilizes advanced frequency hopping and interference mitigation techniques standard in the BLE 5.0 protocol. While the module is small, its RF performance is optimized to ensure a reliable link budget. For deployments in very dense factory environments, we recommend proper antenna placement and orientation to minimize physical obstruction and maximize transmission stability.
3. What technical support is available for secondary development on this module?
Ebyte provides comprehensive support including documentation, reference schematics, and example SDK configurations. Engineers can leverage the Nordic development ecosystem to customize the module's behavior. We offer technical guidance to ensure your hardware integration, from PCB layout optimization to antenna matching, meets industrial performance requirements.
