JDY-31 or HC-05 - Bluetooth 3.0

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.

Scope of application: JDY-31 is a classic Bluetooth protocol that can communicate with Bluetooth-enabled computers (desktops, notebooks) and mobile phones (for android). Can be applied

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

Product 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)