What do the indicators on a 3G data card mean

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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.

Other related questions:
How do I identify the 3G data card indicator
For a WCDMA data card: -If the indicator blinks green twice at short intervals, the data card has not registered with the network. -If the indicator blinks blue once every 2s (0.5 Hz), the data card has registered with the network. -If the indicator is steady blue, dialup succeeds but the data card is not transmitting data services. -If the indicator is steady light blue, dialup succeeds and the data card is transmitting data services. For a CDMA2000 data card: -If the indicator blinks blue once every 2s (0.5 Hz), the data card has not registered with the network. -If the indicator blinks blue twice at short intervals, the data card has registered with the network. -If the indicator blinks blue once every 0.25s (4 Hz), dialup succeeds and the data card is transmitting data services.

Which 3G models are supported by the AR
The hardware that supports 3G includes the 3G data card, 3G card, and 3G model. The AR equipped with a 3G data card or 3G card provides 3G interfaces. The 3G model is equipped with 3G interfaces. The 3G model refers to the AR with a 3G antenna interface. The 3G interface can be configured on the 3G model with no 3G data card or 3G card inserted. The 3G models in compliance with the WCDMA standard include the AR151G-HSPA+7, AR157G-HSPA+7, and AR207G-HSPA+7. The 3G model in compliance with the CDMA2000 standard includes the AR151G-C.

Which 3G cards are supported by the AR
The hardware that supports 3G includes the 3G data card, 3G card, and 3G model. The AR equipped with a 3G data card or 3G card provides 3G interfaces. The 3G model is equipped with 3G interfaces. All the ARs with the SIC slot support 3G cards. The AR supports the following WCDMA-capable 3G card: 3G-HSPA+7 card. The AR supports the following CDMA2000-capable 3G card: 3G-EVDO card.

What data cards are required to connect to 3G networks
HD terminals can connect to 3G networks through the following Huawei 3G data cards: WCDMA: E270, E220, E216, E170, E226, E161, and E182E CDMA2000: EC226, EC228, EC122, EC1260, and EC169 NOTE: HD terminals do not support TD-SCDMA data cards.

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