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🔗 Connect Like a Pro — Never Miss a Byte!
The UGREEN USB to RS232 Adapter Cable features a reliable PL-2303 chipset enabling 1Mbps data transfer between USB Type A and DB9 serial devices. Compatible with Windows, Mac, and Linux, it offers plug-and-play convenience with triple shielding for stable connections. Designed for professionals needing seamless serial device integration, it comes with lifetime warranty and 24/7 support.












| ASIN | B00QUZY4UG |
| Best Sellers Rank | #1,196 in Computers ( See Top 100 in Computers ) #1 in Serial Adapters |
| Brand | UGREEN |
| Built-In Media | 1 x USB 2.0 to RS232 DB9 Serial Cable |
| Color | Black |
| Colour | Black |
| Compatible Devices | Serial devices with DB9 connector |
| Compatible devices | Serial devices with DB9 connector |
| Connector Type | RS232 |
| Connector type | RS232 |
| Current Rating | 1 Amps |
| Customer Reviews | 4.5 out of 5 stars 5,687 Reviews |
| External Testing Certification | 177202201739 |
| Finish | Matte |
| Input Voltage | 12 Volts |
| Item Dimensions | 15.8 x 2.5 x 22.2 centimeters |
| Item Weight | 0.1 Kilograms |
| Item dimensions L x W x H | 15.8 x 2.5 x 22.2 centimeters |
| Manufacturer | UGREEN GROUP LIMITED |
| Mfr Part Number | 20210 |
| Model Number | 20210 |
| Number of Items | 1 |
| Package Quantity | 1 |
| Power Plug Type | Type A - 2 pin (North American) |
| Specific Uses For Product | PC |
| Specific uses for product | PC |
| Unit Count | 1 Count |
| Warranty Type | Lifetime |
S**.
Recommended Great product
Excellent product
A**R
very good 100% excellent quality work fine
Working with windows 10 just plug and play without installing software the device . i use in socket 3.0 also it working perfect. i’m used for firmware updates & downgrade “STB & router and many devices working with no issues.. thanks
N**D
Good
Good product
S**.
works well with MS Win10
It worked well with Win10. There is a driver CD with the package.
H**I
Ugreen
Very good cable
G**N
USB to RS232
It is great cable I use this cable to connect a chemistry auto analyser to a laptop. It works perfectly.
M**I
Fast and working
Nice, and fast, working product thank you very much
S**L
Does its job
Good quality
M**W
Good Quality Product
Inside the Box have Cable and Driver installation Disk, and tested and working fine.
K**N
Motor sürücüsü için aldım gaytet kaliteli ve güzel
Kargo söylendiği hızda geldi
M**N
Excelente calidad
Excelente calidad, se siente más robusto que otros y al mismo (o menor) precio, los acabados también se ven mejor. Funciona bien y se ve muy bien.
A**M
Super
Super vom wechselrichter zum solar assistant geht perfekt
J**N
Great, sturdy WORKING cable! Happy customer!
After trying a useless 9-pin to 15-pin connector and failing miserably, I tried this 9-pin to USB adaptor and it worked PERFECTLY. I am super happy with this purchase. The cable is sturdy and not cheap feeling and is a decent length. The usb came covered and protected and all of the pins in the 9-pin end are intact. It arrived on time in a nice little box with a driver CD. I had no trouble installing the drivers on my old Vista computer. After some fiddling around with my device settings (I was trying to connect my computer to an old rheometer for chemistry), and the settings for the cable, my computer was able to communicate with the device perfectly! A word of advice: if it doesn't work, make sure you know which COM port you are using (check in your device manager settings), and try adjusting the baude and bits per second settings (under properties). So happy!!
Trustpilot
4 days ago
1 week ago