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🔗 Connect Like a Pro — Never Miss a Byte!
The UGREEN USB to RS232 Adapter Serial Cable (1M) features a PL-2303 chipset enabling broad OS compatibility and a reliable 1Mbps data transfer rate. Designed with triple shielding and tinned copper conductors, it guarantees stable serial communication for devices like modems, scanners, and industrial equipment. Its plug-and-play design, compact form factor, and lifetime support make it the go-to adapter for professionals demanding seamless legacy device integration.












| ASIN | B00QUZY4UG |
| Best Sellers Rank | #1,189 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 5,691 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
S**L
Does its job
Good quality
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.
J**Y
Good
Good
F**M
Working fine
Working fine and Windows 10 install the driver automatically.
N**D
Good
Good product
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.
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!!
K**T
Works perfectly for Cisco/Juniper
I use it on MacOS and Linux to connect to Cisco and Juniper networking gear which works perfectly. Build quality is a lot better than the generic ones from elsewhere so worth the money if you use it somewhat often.
Trustpilot
2 weeks ago
2 months ago