VIA VNT6656G6A40 802.11b/g 6pin USB.These are taken from salvage of Cisco DMP units that were functional at time of decommission. Each unit comes with 6pin DIN cable for USB connection and antenna cable as pictured.

Manual:
https://fccid.io/NCI-VNT6656G6A4X/User-Manual/Manual-641056

Data Sheet:

https://datasheetspdf.com/pdf-file/785898/VIA/VNT6656G6A40/1