NEC A201NE User Manual page 72

70
Roaming (International roaming)
ON (Use)
Confirmation screen appears.
YES
International roaming can be used.
・Connections are cut off until the settings are complete.
・The Wi-Fi frequency that can be used is limited to just
2.4GHz. If 5GHz is set, the transmissions may be cut off, so
change the setting to 2.4GHz.
・Note that a charge may be expensive when used overseas.