Features:

1. Industrial serial port bluetooth, Drop-in replacement for wired serial connections, transparent usage. You can use it simply for a serial port replacement to establish connection between MCU and GPS, PC to your embedded project and etc. Computer and peripheral devices

2. GPS receiver Industrial control MCU projects

3.Running in slave role: Pair with BT dongle and master module

4.powered. PC hosted mode: Pair the module with bluetooth dongle directly as virtual serial.

5.Default serail port setting : 9600 1 Pairing code : 1234

Product Description:

Bluetooth protocal : Bluetooth Specification v2.0+EDR 
Frequency : 2.4GHz ISM band 
Modulation : GFSK(Gaussian Frequency Shift Keying) 
Emission power : <=4dBm, Class 2 
Sensitivity : <=-84dBm at 0.1% BER 
Speed : Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps 
Security : Authentication and encryption 
Profiles : Bluetooth serial port 
CSR chip : Bluetooth v2.0 
Wave band : 2.4GHz-2.8GHz, SM Band 
Protocol : Bluetooth V2.0 
Power Class : (+6dbm) 
Reception sensitivity: -85dBm 
Voltage : 3.3 (2.7V-4.2V) 
Current : Paring - 35mA, Connected - 8mA 
Temperature : -40~ +105 Degrees Celsius 
User defined Baud rate : 4800, 9600, 19200, 38400, 57600, 115200, 230400,460800,921600 ,1382400. 
Pin definition : 
* PIO8 connects with LED cathodea with 470ohm series resistor in between. LED NEGATIVE connects to ground. After powered on, flashing intervals differ in different states. 
* PIO9 is used to control LED indicating paring. It will be steady on when paring is successful. 
* PIO11, module state switching pin. HIGH -> response to AT command; LOW or floating -> regular work status. 
* With build-in reset circuit, reset is completed automatically after powered on. 
* Steps to set to MASTER: 
* Set PIO11 HIGH with a 10K resistor in between. 
* Power on, module comes into AT Command Response Status 
* Open HyperTerminal or other serial tool, set the baud rate 38400, 8 data bits, 1 stop bit, no parity bit, no Flow Control 
* Via serial port, send characters "AT + ROLE = 1 r n",if successful, return "OK r n", where r n is carriage return. 
* Set PIO11 LOW, re-power, then in Master state, automatically search for slave module and connect. 

Package Included:

Arduino Serial Port Bluetooth Module with 4P DuPont Cable *1