Blueseeed TH Bee v2.0 (HM01) is an easy to use Bluetooth SPP module compatible with existing Xbee sockets, designed for transparent wireless serial connection setup
Typical -80dBm sensitivity.
Up to +4dBm RF transmit power.
Fully Qualified Bluetooth V2.0+EDR 3Mbps Modulation.
Low Power 1.8V Operation, 1.8 to 3.6V I/O.
UART interface with programmable baud rate.
Integrated PCB antenna.
Bee compatible headers.
U1:U1 is the wireless module.