9 Pin Serial Cable USB to RS232 Serial Port Converter CH340 USB Hub Adapter W7 W8 No External Power Required

  (Of our company) (of passers-by)
 

1.adopt crystal oscillator instead of cheap ceramic crystal oscillator. Good stability!
2. Easy conversion between computer USB interface and Neutral serial port
3. Provide fast access for computers without serial ports
4. Turn traditional serial devices into plug-and-play USB devices
5. Easy to install without external power supply and physical drive
6. Suitable for computers or notebooks with USB ports
7. Supports the USB1.0/1.1 specification and is compatible with the USB2.0 specification, supports full-speed transmission mode of 12Mbps
absolutely compatible with all operating systems, including WIN7 VISTA XP and so on (some products on the market do not support WIN7, buyers please note meaning
 compatible Devices: Development Board serial port experiment, ISDN-TA, digital camera, barcode reading device, Neutral card reader V, handwriting board, PlamIII & Palam, label writer, security system

supports various models of single chip microcomputer, STC download of single chip microcomputer, LED screen control card, MODEM and ISDN terminal adapter communication.  

Installation Instructions: [free driver delivery]]

 1. Install the CH340.EXE file in the running software

2. Connect the USB Serial Port line to the USB interface of the computer and automatically install the driver.

3. After the installation is successful, go to the device manager to see if the COM port appears.

Product features:

easy installation without external power supply and physical drive

suitable for computers or notebooks with USB ports.

Supports USB1.0/1.1 specifications, compatible with USB2.0 specifications, and supports full-speed transmission mode up to 1Mbps

supports WIN 7 2000, XP, and Vista

 (The latest version of the driver supports WIN7 32/64 bits, please ask the customer service)
product Name: USB to serial port cable (COM)
1: This product is mainly wholesale and is a brand new product chip 340. 340 serial port line is the largest serial port line at present. If you need several serial port lines, please order according to the set price.
2: There are special requirements can be customized, generally more than 100 can be customized according to requirements.
3: compatibility problems common serial port settings can be compatible, but it is not guaranteed that all can be compatible. Except for quality problems, refunds of any form are not accepted, and refunds can be refunded if they cannot be compatible, the buyer is responsible for the round-trip freight.
4: buyers who Wholesale more than 10 pieces will pay within 7 days after receiving the goods.
5: wholesale buyers enjoy one-year quality assurance, providing maintenance or replacement within the quality guarantee, the warranty standard is that in June and December of each year, wholesalers will return us for repair {the product is seriously damaged or the person does not guarantee it} and the buyer will be responsible for the freight.
6: This product is just a serial line {line length 0.9- about 1 m}, choose the package according to your needs. Those who do not buy CD can use the number taken to ask us for the driver online.
7: freight calculation. Buyers with convenient transportation can send logistics to pick up the goods themselves. If it is not convenient, express delivery is usually sent to Yunda. If you need other express delivery, please pay the corresponding freight, if you haven't paid enough freight, please apply for a refund yourself.
Easy conversion between computer USB interface and Neutral serial port
provide fast access for computers without serial ports
it is equivalent to turning traditional serial devices into plug-and-play USB devices.
Easy installation without external power supply and physical drive
suitable for computers or notebooks with USB ports
supports USB1.0/1.1 specifications, compatible with USB2.0 specifications, and supports full-speed transmission mode of 12Mbps
support Win98, 98SE, Me, 2000, XP, Mac OS8.6 or later
compatible Devices: external MODEM, ISDN-TA, digital camera, standard serial mouse, barcode reading device, Neutral card reader V, handwriting board, PlamIII & Palam, label writer, security system