JDY-31 Bluetooth Module with Serial Communication

JDY-31 Bluetooth module is based on Bluetooth 3.0 SPP design, which can support Windows, Linux, Android data transparent transmission. The working frequency band is 2.4GHZ with modulation mode of GFSK. Its maximum transmission power is 8db and can transmit data to a maximum distance of 30 meters.

It supports a feature that users can modify the device name through AT commands, Baud rate and other commands. The JDY-31 Bluetooth module is greatly convenient to use through flexible features.

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

Windows computer Bluetooth serial port transparent transmission

Android Bluetooth serial port transparent transmission

Smart Home Control

Automobile ODB testing equipment

Bluetooth toys

Shared power bank, shared weight scale

Medical equipment

Working Frequency: 2.4GHZ

Communication Interface: UART

Operating Voltage: 1.8-3.6V (recommended 3.3V)

Operating Temperature: -40 ~ 80℃

Antenna: Built-in PCB antenna

Transmission Distance: 30 meters

Master-slave Support: Slave

Module Size: 19.6 * 14.94 *1.8 mm (length, width and height)

Bluetooth Version: Bluetooth 3.0 SPP

STM Welding Temperature: <260 ℃

Working Current (Not connected): 4.7mA

Current after BLE Connection: 7.3mA

Transmit Power: 8db (Maximum)

Receive Sensitivity: -97dbm

SPP Maximum Throughput: 16K bytes/s (Android, Windows)