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1. Wireless network activity.
2. Ethernet port activity.
3. System LED with alternate mode for cellular modem status indication.
4. 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 red  - SIM card not inserted

yellow  - established connection in 3G mode

blue - established connection in LTE mode

blinking - connection establishment in progress, modem registered in cellular network, APN is not activated yet

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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• EU/US Switching Power Supply 24 V ⎓, 1.2 A, 28.8 W, 86.8 %, VI, cable:150 cm.
• CAT5E UTP Flat Cable, 8P8C, AWG32, 1.5 m, white color.

LTE Antenna usage

The device has two external antenna connectors on the back behind the doors.

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