AMX NXA-WAP200G

Overview
"PN:KN1604310" and "WP300UP" is silkscreened on the board in the FCC photos.

The adapter included with the device appears to be a Leader Electronics IU15-2054200-WP (5.4V, 2.0A). ID/OD/Len measurements are approximate.

Links of Interest
Manual

Pictures
User Images