[IC]：CC2541

[Frequency]：2.379~2.496GHz

[Protocol]：BLE 4.0

[Distance]： 50m

[Interface]：UART

[Weight]：1.1±0.1g

[Introduction]：E104-BT01 is a SMD Bluetooth wireless module,based on original imported RF IC CC2541 from TI in USA.the module features with high Performance PCB antenna.