Airlink101 AR335W

Overview
Product page Manual

OEM Alpha Networks WRG-G19 (8WRGG19..1C1G)

The Airlink101 AR430W and D-Link DIR-300 rev A1 are also WRG-G19s.

DIR-300 on OpenWrt wiki

According to the manual, the default SSID is default.

FCC label shows the device with a 00:18:02 (Alpha Networks) OUI, additional support here