[IC]:RTL8760ATT
[Frequency]:2402~2480MHz
[Protocol]:V2.1
[Distance]:50m
[Size]:25*13mm
[Weight]:1.2±0.1g
[Introduction]:E104-BT20 Bluetooth serial communication module is a data transmission module based on Bluetooth Specification V2.1 BR / EDR Bluetooth protocol.The working frequency is 2.4GHz ISM, and the modulation method is GFSK. The module's maximum transmission power is 3dBm.