Fielect Jack Terminal Breakout PCB Board Specifications: Model: DB9-M3 Number of rows of needles/holes: 2 Number of needles/holes: 9 Terminal hole distance: 5mm/0.2" Material: PA Color: green : 1.All signal ports are clearly named and marked, which helps to weld quickly and reduce errors. 2.Each adapter board has a special shell and a complete protection circuit, so there is no need to worry about exposed wiring. 3.The positive sign is clearly marked on the board, which is more convenient for wiring; compliant assembly, 100% brand new, and quality inspections are completed after multiple inspections. Package Content: 1Pcs x Jack Terminal Breakout PCB Board Note: 1.The size of the product are manually measured, please allow slight errors, thank you for your understanding. 2.The actual product and the color of the item shown in the picture may be slightly different from the actual product, please refer to the actual product. 3.Please pay attention to the size of the item before you purchase it.?Application? - It can be connected to various serial devices, such as communication equipment such as computers and tax control machines, digital cameras, PLCs, PDAs, MODEMs, industrial instruments and meters. ?Advantages?- Pure copper connector, anti-plugging, good contact; using environmentally friendly insulated copper terminals, good transmission, no signal attenuation, durable. ?Features? - Environmental protection copper terminal design, no soldering iron and cumbersome tools, convenient wiring. ?Material? - The shell is made of environmentally friendly PA engineering material, which is soft and durable; pure copper gold-plated joints, fine solder joints, plug-in resistance, good contact. ?Parameter? - Model:DB9-M3 ; Number of rows of needles/holes:2 ; Number of needles/holes:9 ; Terminal hole distance:5mm/0.2".