What do the indicators on a 3G data card mean

For a WCDMA data card:
- The green indicator blinks twice in rapid succession: Indicates that the card is not registered to any network.
- The blue indicator blinks slowly (0.5 Hz): Indicates that the card has registered to a network.
- The blue indicator keeps on: Indicates that the dial-up is successful but no data service is running.
- The cyan (bright blue) indicator keeps on: Indicates that the dial-up is successful and data services are running.

For a CDMA2000 data card:
- The blue indicator blinks slowly (0.5 Hz): Indicates that the card is not registered to any network.
- The blue indicator blinks twice in rapid succession: Indicates that the card has registered to a network.
- The blue indicator blinks quickly (4 Hz): Indicates that the dial-up is successful, and data services are running.

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