EnGenius ESR7750G

"WLR-5000 v1 001-0.30 LFP" is silkscreened on the board in the FCC photos.

The FCC test report lists the following models as identical..
 * EnGenius ESR7750G
 * Senao Networks SR7260, WBR4200RGN
 * Sitecom WLR-5000 v1 001, WL-370 v1 001

While the FCC photos are not sufficient, this device appears to be RTL8198 based.