JDY-31 Bluetooth 3.0 Bluetooth Module Serial Port 2.4G SPP Transparent Transmission Compatible with HC-05 06 JDY-30

JDY-31 Bluetooth 3.0 Bluetooth Module Serial Port 2.4G SPP Transparent Transmission Compatible with HC-05 06 JDY-30

JDY-31 Bluetooth is based on Bluetooth 3.0 SPP design, which can support Windows, Linux, for 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. This Bluetooth module can only be used as a Bluetooth slave.

JDY-31 is a classic Bluetooth protocol that can communicate with Bluetooth-enabled computers (desktops, notebooks) and mobile phones (for android). 
Windows computer Bluetooth serial port transparent transmission
For Android Bluetooth serial port transparent transmission
Smart home control
Automotive ODB testing equipment
Bluetooth toy
Share mobile power, share weight
Medical equipment

Parameters:
Model: JDY-31
Bluetooth version: Bluetooth 3.0 SPP
Working frequency band: 2. 4GHZ
Communication interface: UART
STM connection temperature: <260 degree
Operating voltage: 1.8-3.6V (3.3v recommended)
Operating current not connected: 4. 7mA
Working temperature: -40~80 degree
Current after BLE connection: 7.3mA
Antenna: Built-in PCB antenna
Transmit power: 8db (Max)
High transmission distance: 30 meters
Receive sensitivity: -97dbm
Master-slave support: slave
SPP maximum throughput: 16K bytes/s (for android, windows)

JDY-31 support patch and solder pin header

Needle pin application: The pin header specification is standard 2.54 pitch pin header, just need to weld 5 pin holes on the module.
SMD application: Generally, only four pins of VCC, GND, RXD and TXD need to be connected. If you need to disconnect actively in the connection state, send AT+DISC in the connection state.

JDY-31