<p> new and high quality</p> <p>The serial card adopts M.2 design, supports B+M key slot, and is suitable for various types of motherboards.</p> <p>It has four RS232 serial ports, which can multiple serial devices at the same time.</p> <p>Adopt high-quality chip and circuit design to stable data transmission and reliable working performanceS.</p> <p>High-speed transmission: Support high-speed transmission rate to meet the demand of data transmission.</p> <p>Suitable for servers and other devices, used for serial port control and communication. Industrial automation system: suitable for serial communication and control in industrial automation system. Electronic equipment maintenance: suitable for electronic equipment maintenance personnel to communicate with serial port equipment.</p> <p>Different batches may have different appearance, which does not affect use.</p> <p>Color: Black</p> <p>Material: PCB+electronic components</p> <p>Package Contents:</p> <p>1 x M.2 to 4x RS232 Serial Adapter Card</p> <p>4 x RS232 Serial cable</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection 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.</p>