Alice IAD WLAN 4421

Overview
"P/N: 141750620000J R01" is silkscreened on the board.
 * OEM: Arcadyan ARV7506PW11

Per the manual, the default SSID appears to be ALICE-WLANXX where XX is some number (appears to be non-hex). The OUI used may be (or include) 00:1C:28.

Links of Interest

 * Arcadyan ARV7506PW11 on the OpenWrt wiki Model: Alice IAD WLAN 4421 / o2 Box 4421