[Frequency]:2.400~2.480GHz
[Protocol]:V4.2+V3.0 SPP
[Distance]:30m
[Size]:21*13mm
[Weight]:0.8±0.1g
[Feature]:Low power consumption,Dual-mode Bluetooth module
[Product weight]:0.8±0.1g
[Introduction]:E104-BT40 module is a serial to dual-mode ble slave module based on ble 4.2 + 3.0 version, namely low power consumption ble and classic ble SPP Profile, which can freely switch between ble and Classic ble, working at 2.4GHz.