Specification Brand : JESSINIE BulletPoint1 : 【High-Speed Communication】The JESSINIE USB to 4 Channels TTL Serial Port offers a high-speed data transfer rate of up to 6Mbps, making it an efficient choice for projects requiring rapid data communication. This module utilizes a Type-C interface, ensuring reliable and fast connections for both professional and hobbyist applications. BulletPoint2 : 【Versatile Compatibility】Designed with user convenience in mind, this module supports multiple operating systems, including Windows, Linux, and macOS. Whether you're developing software on a PC or a Mac, the CH344 USB-4TTL module provides seamless integration, enhancing productivity across platforms. BulletPoint3 : 【Driver-Free Installation】Simplify your setup with the JESSINIE module's CDC driver-free installation on Windows 10 and 11. This plug-and-play feature eliminates the need for complex driver installations, allowing you to focus on your projects without technical hassles. BulletPoint4 : 【Enhanced Control Features】Equipped with RTS and DTR flow control pins, this module provides precise control over data transmission,for applications requiring exact timing and data integrity. Note: Pins are not soldered, allowing customization based on specific project needs. BulletPoint5 : 【Compact and Efficient Design】The JESSINIE module's compact design includes clear power and data transmission indicators, making it easy to monitor operation status. Its small footprint is perfect for space-constrained environments, offering an efficient solution for various electronic projects. Color : Yellow CompatibleDevices : Personal Computer, Laptop, Tablet CompatibleDevices1 : Personal Computer CompatibleDevices2 : Laptop CompatibleDevices3 : Microphone CompatibleDevices4 : Smartphone ConnectorType : VGA CurrentRating : 256000 milliamps ExternallyAssignedProductIdentifier1 : 701715491083 ExternallyAssignedProductIdentifier2 : 0701715491083 FinishType : Plastic HardwareInterface : usb InputVoltage : 3 volts ItemName : JESSINIE USB to 4 Channels Ways TTL Serial Port USB Type-C Interface 6Mbps CH344 CH348 Chip Communication Conversion Module ItemPackageDimensions_Height : 17.7 centimeters ItemPackageDimensions_Length : 0.6 centimeters ItemPackageDimensions_Width : 11.8 centimeters ItemPackageQuantity : 4 ItemTypeKeyword : computer-cable-serial-adapters Manufacturer : JESSINIE Material : metal ModelNumber : 90289 NumberOfItems : 4 NumberOfPorts : 1 OperatingSystem : Windows, Linux, macOS PartNumber : 90289 PowerPlugType : no_plug ProductDescription : Module parameters Model: CH344 USB-4TTL Type: Communication Conversion Communication speed.: Support commonly used baud rates Interface: Supports C to C Supported system: Windows Linux mac0S Driver: CDC can provide driver free, high-speed communication VCP driver on Win10-11 Flow control: with RTS DTR flow control pin not soldered indicator light: Power light: blue Send indicator light: red Receiving indicator light: green Features: Compact and high-speed Type-C interface, 4-channel TTL serial port, with 5V 3V3 voltage expansion pad positions