[IC]：nRF52805

[Frequency]：2.402~2.480GHz

[Protocol]：BLE5.0

[Size]：9*9mm

[Weigth]：0.35g

[Introduction]：[Introduction]：E104-BT5005A is a serial to BLE Bluetooth master-slave integrated module based on Bluetooth protocol version 5.0. It is small in size and low in power consumption. It works in the 2.4GHz frequency band.