BandRich Inc. R100 用户手册
Appendix B: Important Safety Information and Glossary
57
PIN (Personal Identity Number):
Four to eight digital numbers SIM card security
code; allows access to the carrier’s network.
Rx:
Shorthand for Reception.
SIM (Subscriber Identity Module):
A small card that contains key mobile device
identification, subscription and contact information.
SMS (Short Messaging Service):
Allows text messages of up to 160 characters.
Tx:
Shorthand for Transmission.
WCDMA (Wideband Code Division Multiple Access):
Advanced EDGE that
supports 384kbps data flow. Most 3G networks use this standard; aka UMTS.