User Manual Click here to openDetails Click here to openProduct introduction JDY 31 Bluetooth is based on Bluetooth 3 0 SPP design which can support Windows Linux android data transmission working frequency 2 4GHZ modulation mode GFSK maximum transmission power 8db maximum transmission distance 30 meters support users to modify device name through AT command The baud rate and other instructions are convenient and quick to use Applications JDY 31 is a classic Bluetooth protocol that can communicate with Bluetooth enabled computers desktops notebooks and mobile phones android Can be applied◆ Windows computer Bluetooth serial port transparent transmission◆ Android Bluetooth serial port transparent transmission◆ Smart home control◆ Automotive ODB testing equipment◆ Bluetooth toy◆ Share mobile power share weight◆ Medical equipmentModelJDY 31Working frequency2 4GHZCommunication InterfaceUARTOperating VoltageSMD type 1 8 3 6V 3 3V recommended with backplane 3 6 6V recommended 5V Operating temperature 40C 80CAntennaBuilt in PCB antennaTransmission distance30 metersMaster slave supportSlaveModule size19 6 14 94 1 8 mm length width height Bluetooth versionBluetooth 3 0 SPPSTM soldering temperature260CUnconnected operating current4 7mACurrent after BLE connection7 3mATransmit power8db maximum Receiving sensitivity 97dbmSPP maximum throughput16K bytes s android windows Package includes 1 x Module