[Communication interface]：RS485

[Operating frequency]： 2.4GHz

[Bluetooth protocol]： BLE5.2

[Communication distance]：560m

[Product size:]：102*28*27mm

[Introduction]：EWD104-BT57(485) wireless module is a RS485 to BLE Bluetooth converter module based on BLE5.2 Bluetooth protocol. It is small in size, low in power consumption, and works in the 2.4GHz frequency band. The Bluetooth converter module uses universal AT commands and is easy and fast to operate. The Bluetooth converter module can be widely used in 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.