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🔗 Bridge the old and new—USB meets RS232 with zero hassle!
The EC Buying HL-340 USB 2.0 to Serial DB-9 RS232 Adapter is a compact, plug-and-play converter that enables seamless communication between modern USB ports and legacy serial devices. Supporting a wide range of operating systems and delivering up to 12 Mbps data transfer speeds without external power, it’s the perfect tool for professionals needing reliable serial connectivity on contemporary computers.


















| ASIN | B0B3937767 |
| Best Sellers Rank | #53 in Serial Adapters |
| Brand | EC Buying |
| Color | blue |
| Compatible Devices | Modem, PC |
| Connector Type | USB 2.0 |
| Customer Reviews | 4.2 4.2 out of 5 stars (140) |
| Finish | Finish |
| Item Weight | 0.05 Kilograms |
| Manufacturer | HL-340 USB to serial cable (COM) USB-RS232 USB nine-pin serial cable supports win7-64 bit |
| Mfr Part Number | EC Buying HL-340 USB |
| Model Number | HL-340 |
| Number of Items | 1 |
| Number of Ports | 2 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specific Uses For Product | PC |
| Unit Count | 1 Count |
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