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10pcs JDY-31 bluetooth Module 2.0/3.0 SPP Protocol Android Compatible With HC-05/06 JDY-30


JDY-31 bluetooth is based on bluetooth 3.0 SPP design, which can support Windows, Linux, android data transmission, working frequency band 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.

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 equipment


Model: JDY-31
Working frequency band: 2.4GHZ
Communication interface: UART
Operating voltage: 1.8-3.6V (3.3V recommended)
Working temperature: -40 ° C – 80 ° C
Antenna: Built-in PCB antenna
Transmission distance: 30 meters
Master-slave support: slave
Module size: 19.6 * 14.94 * 1.8 mm (length, width, height)
bluetooth version: bluetooth 3.0 SPP
STM soldering temperature: <260°C
Unconnected operating current: 4.7mA
Current after BLE connection: 7.3mA
Transmitting power: 8db (maximum)
Receive sensitivity: -97dbm
SPP maximum throughput: 16K bytes/s (android, windows)

Package includes:

10 x JDY-31 module