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- Wireless network activity.
- Ethernet port activity.
- System LED with alternate mode for cellular modem status indication.
- Signal Modem signal strength indicators.
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System LED alternate modem mode indications
When cellular modem interface is enabled, System LED have have alternate indications:
blinking - connection establishment in progress, modem registered in cellular network, APN is not activated yet
yellow - established connection in 3G mode
blue - established connection in LTE mode
blinking red - SIM card not inserted
Cellular connection technology based on the System LED color:
Red: GSM
Yellow: 3G
Blue: LTE
Green: 5G NSA
Violet: 5G SA
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SIM slot usage
SIM card slot is designed to be used with Micro SIM cards.
Nano SIM cards have different thickness, and usage with an adapter are not recommended.
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