BK3431 F-9388 Bluetooth Data transfer Module

BK3431 F-9388 Bluetooth Data transfer Module
  • BK3431 F-9388 Bluetooth Data transfer Module

Application Examples: Anti-lost devices, Pedometer etc.

  • Product No.: F-9388


Model F-9388PA-V1.0
Bluetooth Version Bluetooth V4.0
Working Voltage 1.8 ~3.6 v
V4.0 Bluetooth protocol ATT,GATT,SMP,L2CAP,GAP
Radio Current 800uA
Connecting Current 300A
Dormancy Current 4uA
Temperature range -20ºC to +85ºC
Wireless transmission range: 0~30 meter
Power UP to 4dBm
Sensitivity -89 dBm(Based on 1Mbps transmission rate)
Frequency: 2.4GHz-2.480GHz
External Interface: IO,UART,SPI,PWM,ADC
Dimension 20*15*1.8MM

1.Android (4.4 compatible)/ IOS system BK3431 two-way unvarnished transmission.
2.Serial port design, Two-way communication, Boud rate range 2400~115200bps
3.Two working modes: Unvarnished (communication mode)/ Command mode
4.Default 300ms connect interval , connecting speeds up.
5.Support AT command software reset module.
6.Support AT command to adjust bluetooth connection interval and transmitting power, modify serial baud rate and module name, all can be saved when power-down.
7.Support AT command to obtain MAC address 、serial baud rate 、 bluetooth connection interval、 transmitting power、module name and firmware version info.
8.Serial port data package length unvarnished transmission 20byte per time.


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