Tripp Lite USA-19HS Keyspan USB to Serial Adapter - USB-A Male to DB9 RS232 Male, 3 ft. (0.91 m), TAA Product type___Mobile workstation 9 cm³ Package weight 1

9 cm³ Package weight 1

so why not yours

0 Bluetooth Yes Design Product colour Black Component for PC/Laptop Internal No Power USB powered Yes System requirements Windows operating systems supported Windows 10

3z Data transmission Packet buffer memory 32 MB Jumbo frames 10000 Jumbo frames support Yes Number of static routes 128 Static route Yes Number of trunks 14 Store-and-forward Yes Throughput 95

Tripp Lite USA-19HS Keyspan USB to Serial Adapter - USB-A Male to DB9 RS232 Male, 3 ft. (0.91 m), TAA Product type___Mobile workstation 9 cm³ Package weight 1Supports data transfer speeds up to 230 Kbps to ensure reliable data transfers Detachable 3 ft. USB cable included Plug and play operation with no software required for easy, immediate installation Works with 32 and 64 bit Windows and macOS X (see model support page) Keyspan USB to Serial Adapter USB A Male to DB9 RS232 Male, 3 ft. (0. 91 m), TAA Works with RS 232 Serial Devices Connects to switches, routers, barcode scanners, GPS units, point of sale