E104-BT02 SMD 1mW (0dBm) wireless UART to ble module with high cost performance
[Chip solution]：DA14580
[Working frequency]： 2.379~2.496GHz
[Support protocol]： BLE 4.2
[Communication distance]：70m
[Interface type]：UART
[Product weight]：1.0±0.1g
[Introduction]：E104-BT02 is a SMD 1mW (0dBm) wireless UART to ble module with high cost performance, small size and embedded PCB antenna and operates at 2.4 GHz frequency band. Serial port (UART) can be used to receive and transmit ble data, which lowers the threshold to apply ble.
Official Store| RF parameters | Parameter value | Remark |
| Working frequency | 2379~2496MHz | Factory default 2.4GHz |
| Transmit power | 0dBm | Maximum power (about 1mW) |
| Receive sensitivity | -94 dBm | - |
| Measured distance | 70 meters | Clear and open environment, maximum power, antenna gain 5dBi, height 2m |
| Hardware parameters | Parameter value | Remark |
| Size | 14.6*21.9mm | - |
| Antenna form | PCB | 50Ω characteristic impedance |
| Communication Interface | UART | - |
| Packaging method | patch | - |
| Electrical parameters | minimum value | Typical | Maximum | Unit | Condition |
| voltage | 2.5 | 3.3 | 3.6 | V | - |
| Communication level | 2.5 | 3.3 | 3.6 | V | - |
| Emission current | 3.1 | 3.4 | 3.7 | mA | 0dBm（1mW） |
| receive current | 3.4 | 3.7 | 4.1 | mA | - |
| Sleep current | 2 | 3 | 4 | μA | - |
| Operating temperature | -40 | 20 | 85 | ℃ | - |
| Working humidity | 10 | 60 | 90 | % | - |
| Storage temperature | -40 | 20 | 125 | ℃ | - |