Motorola VAP2500

Overview
"WAPQ-215AN_V01", "ESX-YX0-0000R RoHS", and "587019-001-00" is silkscreened on the board in the FCC photos.

This device would appear to be used by 's U-verse service.

Serial Pinouts
(Pin 1 has a square pad)
 * 1) 3v3
 * TX
 * Rx
 * 1) GND