Item Type: Communication Module_x000D_ Material: PCB_x000D_ Model: CH340E_x000D_ Working Voltage: USB DC 5V_x000D_ Transmission Distance: Up to 1200 Meters (Under 9600bps Conditions)_x000D_ Chip Solution: CH340E_x000D_ Communication Protocol: Pure Hardware Equipment, Not Restricted by Protocol_x000D_ Baud Rate: Up to 256000bps_x000D_ Temperature Range: -40-80_x000D_ Purpose: Data Information is Transmitted in Different Protocols_x000D_ Applicable Scenarios: Electronic Equipment, Industrial Equipment 1Automatically identify and control the direction of data transmission, without any handshake signals, such as RTS, DTR, etc 2Mode conversion can be realized without jumper setting, ensuring compliance with existing communication software and interface hardware 3The power supply and signal are fully isolated, and the anti interference ability is stronger 4TVS Transient suppression protection, electrostatic ESD protection, and surge protection has been realized 5AB signal line short circuit and short circuit protection with the power supply, making short circuit does not burnPay attention to anti static during the use of the product! Avoid damage to electronic components 1 x Communication Module