[Description]

(This moduleis Master-slave one, the master and slave in pair can communicate.It can not communicate between masters or slaves.

The slave can communication pairing with the Bluetooth function in computers, mobile phones and others.

default as slave when purchasing, you need to specifyif you need master.)

(Master-slave distinction:

1, if the chip is not specified, then the lights flash slow is master, then fast is slaves; 

2,From 2009 Sep., factory is writing a white dot on the master IC, no white dot is a slave. Date of manufacture can be obtained from the Bluetooth address)

1, using mainstream CSR Bluetooth chip, Bluetooth V2.0 protocol standards
2, the core serial module operating voltage 3.3V. With base plate can be between 3.1-6.5V (5V stable communication, 6.5V will not burn, but does not guarantee communication completely normal to the actual date)

3, the user can set the baud rate of 2400, 4800
 4, the size of the core module: 27mm x 13 mm x 2mm. Plate size 27mm * 47mm
5, the working current: matching for 35MA, paired communication for 8MA
6, Sleep current: Do not Sleep
7 for GPS navigation systems, utility meter reading systems, industrial control systems mining site.
8, can be used with a Bluetooth laptop computer plus a Bluetooth adapter, PDA and other devices to connect seamlessly