Zoom X7n 5790 (5790-00-00AG)

Overview
"BCM63281", "V3.0", and a lead-free logo would appear to be silkscreened on the board in the FCC photos.
 * The board would appear to be the same as used by the innoband 8520-B1.. and whatever original Tenda models these are derived from.

Default settings are per Zoom's manual and the FCC sample label.

The power supply shown in the FCC photos is a Shenzhen Hewishun Network Technology (Tenda) TEA09U-09100 (100-240VAC ~ 50/60Hz, 0.3A -> 9VDC, 1.0A).