Product Descriptions
E104-BT40 module is a serial to dual-mode Bluetooth slavemodule based on Bluetooth 4.2 + 3.0 version, namely low powerconsumption Bluetooth BLE and classic Bluetooth SPP Profile, whichcan freely switch between BLE and Classic Bluetooth, working at2.4GHz.
The E104-BT40 module usesgeneral ATcommands to setparameters, and the operation is simple and fast. The module onlysupports the Bluetooth slave role.
Through this module, traditional low-end serial devices or MCU-controlled devices can perform wireless data transmission, It is a low cost, simple and reliable data transmission module.
Product Features
Bluetooth Specification V4.2 +3.0 protocol available;
AT command configuration available;
Support BLE;
SPP 3.0;
GPI0 input / output,
2-way PWM outputs;
249 bytes of serial buffer;
Effective communication distance over 30 meters;
Global license-free ISM 2.4GHz frequency band;
1 ~2Mbps air rate,
Built-in PCB on board antenna, no external antenna required
Product Applications
Bluetooth wireless data transmission;
Wireless meter reading and wireless sensing;
Smart home, industrial control;
Industrial remote control and telemetry;
Smart buildings, smart construction;
Automatic data collection;
Health sensor;
Automotive testing equipment;
Smart robot.
Product Specifications
| Attribute | Attribute value | |
| ANSM-Part# | ANSM-E104-BT40 | |
| Working frequency | 2400 ~2480 MHz | - |
| Transmitting power | 3 dBm | - |
| Receiving sensitivity | -96 dBm | - |
| Reference distance | 30m | |
| Size | 21 *13 mm | - |
| Antenna | PCB | 50Ω Impedance |
| Communication interface | UART | All I / Os of the microcontroller are exported, see the chip manual for details |
| Package | SMD | - |
Actual product photos

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