CLEAR Modem with Wi-Fi (WIXFBR-117)

Overview
BCSB5200-3 + BCSR200 WiMAX chipset (BCS5250)

According to Nintendo's Router Database, the device assumes the SSID of 'WiFiRSU_XX' where 'XX' is the last two digits of the ( MAC address.

It is also said that the default WiFi password is the last eight digits of the MAC address.