[Communication interface]：UART

[Operating frequency]：2.4GHz

[Bluetooth protocol]： BLE 5.0

[Communication distance]：60m

[Product size]：10*14.5mm

[Product weight]：0.5±0.1g

[Introduction]：The EWM104-BT13 series is a Bluetooth proximity switch module designed based on the BLE5.0 version Bluetooth protocol. It is small in size, low in power consumption, and operates in the 2.4GHz frequency band. The Bluetooth module uses common AT commands to set parameters, and the operation is simple and fast. It can be applied to smart door locks, smart car locks, smart homes, consumer electronics, industrial control and other scenarios.