Features 1、Automatically identify and control the direction of data transmission, without any handshake signals, such as RTS, DTR, etc 2、Mode conversion can be realized without jumper setting, ensuring compliance with existing communication software and interface hardware 3、The power supply and signal are fully isolated, and the anti interference ability is stronger 4、TVS Transient suppression protection, electrostatic ESD protection, and surge protection has been realized 5、AB signal line short circuit and short circuit protection with the power supply, making short circuit does not burn Specification Item Type: Communication Module Material: PCB Model: CH340E Transmission Distance: Up to 1200 Meters (Under 9600bps Conditions) Chip Solution: CH340E Communication Protocol: Pure Hardware Equipment, Not Restricted by Protocol Baud Rate: Up to 256000bps Temperature Range: -40℃-80℃ Purpose: Data Information is Transmitted in Different Protocols Applicable Scenarios: Electronic Equipment, Industrial Equipment Package List 1 x Communication Module