USB Type 'B' Female connector. The 4 connection pins have .1" spacing allowing it to be inserted into development boards and perf boards with mild modification. You can either drill two 80mil holes for the support posts, or cut them off completely. Documents: * Datasheet https://elecena.pl/product/633737/usb-female-type-b-connector 2008-04-21 https://elecena.pl/product/633737/usb-female-type-b-connector 2008-09-23 https://elecena.pl/product/633737/usb-female-type-b-connector 2008-10-20 https://elecena.pl/product/633737/usb-female-type-b-connector 2016-11-26 https://elecena.pl/product/633737/usb-female-type-b-connector 2016-11-28 https://elecena.pl/product/633737/usb-female-type-b-connector 2016-11-30 https://elecena.pl/product/633737/usb-female-type-b-connector 2016-12-09 https://elecena.pl/product/633737/usb-female-type-b-connector 2016-12-13 https://elecena.pl/product/633737/usb-female-type-b-connector 2017-11-24 https://elecena.pl/product/633737/usb-female-type-b-connector 2017-11-28 https://elecena.pl/product/633737/usb-female-type-b-connector 2018-05-05 https://elecena.pl/product/633737/usb-female-type-b-connector 2018-11-21 https://elecena.pl/product/633737/usb-female-type-b-connector 2018-11-27 https://elecena.pl/product/633737/usb-female-type-b-connector 2022-02-22 https://elecena.pl/product/633737/usb-female-type-b-connector 2025-06-04 https://elecena.pl/product/633737/usb-female-type-b-connector 2025-06-06