E104-BT40 module is a serial to dual-mode Bluetooth slave module based on Bluetooth 4.2 3.0 version, namely low power consumption Bluetooth BLE and classic Bluetooth SPP Profile, which can freely switch between BLE and Classic Bluetooth, working at 2.4GHz. The E104-BT40 module uses general AT commands to set parameters, and the operation is simple and fast. The module only supports the Bluetooth slave role. Through this module, traditional low-end serial devices or MCU-controlled devices can performwirelessdatatransmission. It is a low cost, simple and reliable data transmission module.

Features ：Bluetooth Specification V4.2 3.0 protocol available；AT command configuration available; Support BLE；SPP 3.0； GPIO 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.

Application：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;

Brand Name:EBYTE
Origin:Mainland China
Condition:New
Type:Drive IC
Model Number:E104-BT40
is_customized:Yes
Working frequency:2.4GMHz
Transmitting power:3 dBm
Reference distance:30m
Size:21 *13 mm
Antenna:PCB
Communication interface:UART
Package:SMD
Type:Bluetooth Module