[Bluetooth protocol]：BLE 5.1

[Communication distance]：130m

[Product size]：21.9*14.6mm

[Introduction]：E104-BT07 is a serial port to BLE Bluetooth module based on Bluetooth protocol version 5.1. It is small in size, low in power consumption, and works in the 2.4GHz frequency band. Bluetooth modules can be widely used in smart wear, home automation, home security, personal health care, smart home appliances, accessories and remote controls, automobiles, lighting, industrial Internet, smart data acquisition, smart control and other fields.