This product is an embedded bluetooth protocol stackThe - 232.The interface of bluetooth adapter.Product main function is to replace the traditional serial cable connection, users don' need to connection scheme to make too many changes, can quickly upgrade the serial cable connection of the for the wireless bluetooth serial port connection. For those who don' want to have too much attachment of industrial, business and other fields of application, this article provides a simple and quick, safe and reliable . The product inside the bluetooth communication protocol, so there is no need to install driver, other canWindowsUsed in the system, also can be inDOS,LinuxSuch as the graphical in use. When users need to know the bluetooth communication technology professional knowledge, for the user, or a serial port communication, and there is no difference with the traditional serial cable connections, communication application developers need to write a serial port communication code. When using bluetooth2.1The standardCSRBluetooth chip.The enhancedBERError rate performance and automatic frequency hopping technology, which can the of efficient communication, and have stronger anti-interference ability, the stability and reliability of communication. When the user can passThe ATCommand to set the1200 BPSto1382400 BPSTwelve different baud rate (the default value is9600, n, 8, 1), can also set a more personalized bluetooth name for equipment. Low support bluetoothSerial Port Profiles(SPPWith bluetooth function), and notebook computers, desktop computers and handheld bluetooth equipped with bluetooth adapterPDA, bluetoothGPSSuch as bluetoothSPPDevices to connect and communication . Low transmission power in accordance with bluetoothClass2Standard, built-in Gan degreesPCBPrinting antenna, stable communication distance can reach15M, can be wireless data transmission through walls. lowRS232Serial bluetooth adapter needs to be on the adapterMiniUSBInterface for adapter power supply. When equipped withThe RESETReset button, can delete saved adapter has paired device information, and a new bluetooth device matching. Low standards: bluetoothSIG v2.1 and , When the bluetooth protocol:Bluetooth serial port profile (SPP) Low interfaces:RS232 Low communication rate:1200,2400,4800,9600,19200,38400,57600,115200,230400,460800,921600,1382400 Low modulation mode:2.4 G ISM Frequency hopping (direct sequenceFHSS) Low communication distance: open space15M,Class 2 level Colour:green Material:plastic Size:56.5 mm x 38.5 mm x 14.5 mm Package Contents: 1 x Serial Port Module Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.