BandLuxe K530S User Manual page 93

WCDMA (Wideband Code Division Multiple Access): Advanced EDGE that
supports 384kbps data flow. Most 3G networks use this standard, the same as
UMTS.
UAM (Universal Access Method): A method to allow WiFi access to a wireless
network while roaming. Using a regular web browser, the roaming customer
enters a login page and provides user information (usually username and
password) to access the network.
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Appendix D: Important Safety Information and Glossary