Serial Port Bluetooth with Baseboardslave Arduino Compatible

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.
The default serial port is set to [9600, N, 8, 1]
Matching password: 0000
Support the AT commands to modify baud rate, device name, matching password
Support modifying baud rate device name and matching password via AT commands
Support baud: 9600~1382400.
From picture below, it has DIP pins, which is the difference made by baseboard.
Bluetooth Specification:
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(master & slave)
CSR chip: Bluetooth V2.0
Wave band: 2.4GHz— 2.8GHz, ISM Band
Protocol: Bluetooth V2.0
Power Class: (+6dBm)
Reception sensitivity: -85dBm
Voltage: +3.3V 50mA (2.7V— 4.2V)
Current: Paring - 35mA, Connected - 8mA
User defined Baud rate:
200, 4800, 9600, 19200, 38400, 57600, 115200, 230400, 460800, 921600, 1382400
Dimension: 26.9mm*13mm*2.2mm
Board effective antenna
Coupled Mode: Two modules will establish communication automatically when powered.
PC hosted mode: Pair the module with bluetooth dongle directly as virtual serial.
More information for this bluetooth module
This module have one baseboard and Board effective antenna.
Supply voltage for this module: ≥ 4.8V and ≤ 12V.
The master mode module can only be used with the slave mode module.
The slave mode module can be used with a variety of Bluetooth adapter, mobile phone etc.
Master module has auto searching function and slave module don't has auto searching function.
Application:
1, Computer and peripheral devices
2, GPS receiver
3, Industrial control
4, MCU projects
5, Mouse, keyboard, joystick