Plastic gold-plated plug, contact, super transmission performance, signal stability increased by 40%<br> High DB9 solderless RS232 D-SUB serial to 9pin port terminal male and female adapter connector breakout board<br> All signal ports are clearly and labeled on both sides of the board for quick wiring.<br> It can connect all kinds of serial devices. Such as computer and tax control machine, digital camera, , PDA, MODEM, set-top box, machine, industrial instrumentation and other equipment for communication.<br> Suitable for of pin connections required to use serial communications industrial control .<br> <br> size:48x34x20mm<br> Material:Engineering plastic + metal<br> colour:black<br> <br> Contents:<br> 1 * DB9 Female Solderless Connectors<br> 1 * DB9 Male Solderless Connectors<br> <br> Only the above content, other are not included.<br> Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.