Actiontec PK5001A

Overview
"Actiontec" and "06703B." is silkscreened on the board in the FCC photos.

RAM specs are per the FCC photos.. but the FCC photos also show
 * the device with a 128MB Hynix H27U1G8F2BTR-BC Flash.

Actiontec's page for the PK5001A states uses 64MB Flash.

The wireless chipset is Lantiq WAVE300 based.
 * CPU: Lantiq PSB 50810 - XWAY ARX168 (PSB 50810 EL)
 * Lantiq PSB 8221 - XWAY WAVE300 (PSB 8221EL V1.1)
 * Lantiq PSB 8304 - XWAY WAVE300 (PSB 8304 V1.1)

The FE Switch appears to be a TANTOS.
 * Lantiq PSB 6970 - XWAY TANTOS (PSB 6970 HL V1.3)

Possible 40:8B:07 OUI (on a label including the device MAC
 * affixed to the board in the FCC internal photos)...