Connecting up
5.4 SIM card
SCALANCE MUM856-1
Operating Instructions, 08/2021, C79000-G8976-C628-02
49
Frequency bands in Europe and other regions
In Europe, America, Africa, Asia and Australia, the device supports the following frequency
bands:
•
5G:
–
SA: n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n71, n77, n78,
n79
–
NSA: n41, n77, n78, n79
•
LTE:
B1/ B2/ B3/ B4/ B5/ B7/ B8/ B12/ B13/ B14/ B17/ /B18/ B19/ B20/ B25/ B26/ B28/ B29/ B30/
B32/ B34/ B38/ B39/ B40/ B41/ B42/ B43/ B46/ B48/ B66/ B71
•
UMTS:
B1/ B2/ B3/ B4/ B5/ B8
Depending on the frequency bands used by your mobile wireless provider, antennas must be
tuned to the suitable frequencies. Check with your mobile wireless provider for the frequency
bands.
Signal quality
During installation make sure that there is a good signal strength of > -73 dBm.
If the "Q" LED is lit permanently, the signal quality is good. For more detailed information,
refer to the section "LED display (Page 24)".
Avoid large metallic objects in the immediate vicinity.
5.4
SIM card
NOTICE
Turn off the power supply before replacing SIM cards
Before you insert or remove the SIM card, turn off the power supply of the device.
Do not open the compartment for the SIM card during operation. This can damage the SIM
card and the device.