Product Name: DB9 Fmale to RJ45 Adapter. Applications: desktop computer, digital machine tools, PDA, bar code and other DB9 serial devices. Colour: Black. Shell material: PVC material. Size: 26 * 22 * 57mm / 1.03 * 0.81 * 2.25in (L * W * H). Weight: 38.5g / 1.36oz. Instructions for use: 1. For this adapter, use UTP or CAT6. 2. When using the Extender, it is recommended to use it within 20 meters. Uses: 1. The serial interface transmits BD9 signals through the network cable. 2. Cable wiring is completed, can not use the DB9 line of renovation works. 3. Engineering decoration company wiring scheme. 4. This adapter can be transferred to DB9 serial port, DB9 interface for the host computer or a variety of displays, network cable were connected to the two adapter cable network interface. Package Included: 1*DB9 Female to RJ45 Adapter RJ45 port to DB9 hole Serial port to the network port crystal head If you for any reason are not happy with any product supplied , please do not hesitate to contact us and we will do our best to solve your problem .

DB9 RS232 Male Port to RJ45 Female : https://www./dp/B01N91YKVF. High-quality environmentally friendly PVC material, super wear-resistant, Integral injection molding. Applications: desktop computer, digital machine tools, PDA, bar code and other DB9 serial devices. Interface with super-thick alloy, reducing the transmission impedance, reduce signal loss, oxidation resistance, corrosion resistance, wear resistance, 10,000 nondestructive testing plug. The new upgrade, compatible with all standard DB9 serial devices, all day continuous work, stable and reliable performance.