[Communication Interface]：UART

[Operating Frequency]：2.4GHz

[Bluetooth Protocol]：BLE 5.4

[Communication diatance]：100m

[Size]：10 x 14.5mm

[Product weight]：0.8 ± 0.1g

[Introduction]：The E104-BT41SP module is a dual-mode serial Bluetooth slave module based on Bluetooth 5.4. It supports SPP and BLE protocols, operates in the 2.4 GHz frequency band, and allows switching between BLE and standard Bluetooth. It offers a maximum transmission power of 8 dBm and supports AT command configuration, simplifying and accelerating its use. This module enables wireless data transmission between entry-level serial devices and microcontroller-controlled devices. It is a cost-effective, simple, and reliable data transmission module.