JDY 31 SPP JDY-31 is latest upgraded version of HC-05 arduino bluetooth module, this hc-05 compatible module is  Bluetooth-compatible and based on Bluetooth-compatible 3.0 SPP design, which can support  Android, Windows and Linux 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-compatible module can only be used as a Bluetooth-compatible slave.

Scope of application:

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

• Windows computer Bluetooth-compatible serial port transparent transmission
• for Android Bluetooth-compatible serial port transparent transmission
• Smart home control
• Automotive ODB testing equipment
• Bluetooth-compatible toy
• Share mobile power, share weight
• Medical equipment

Product parameters:

• Model: JDY-31
• Bluetooth-compatible version: Bluetooth-compatible 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)

Package Indludes:

1 x JDY-31 Arduino Bluetooth Module