Samsung Galaxy S21 Ultra 5G Bands

2G B2 (1900), B3 (1800), B5 (850), B8 (900)
3G B1 (2100), B2 (1900), B4 (1700/2100), B5 (850), B8 (900)
4G B1 (2100), B2 (1900), B3 (1800), B4 (1700/2100), B5 (850), B7 (2600), B8 (900), B12 (700), B13 (700), B14 (700), B18 (800), B19 (800), B20 (800), B25 (1900), B26 (850), B28 (700), B29 (700), B30 (2300), B34 (2000), B38 (2600), B39 (1900), B40 (2300), B41 (2500), B46 (5200), B48 (3800), B66 (1700/2100), B71 (600)
5G N1 (2100), N2 (1900), N3 (1800), N5 (850), N7 (2600), N8 (900), N28 (700), N40 (2300), N41 (2500), N66 (1700), N71 (600), N77 (3700), N78 (3500), N79 (4700), N260 (39GHz), N261 (28GHz)

Netzwerkabdeckung in Switzerland

2G B3 (1800)B8 (900)
3G B1 (2100)B8 (900)
4G B3 (1800)B7 (2600)B20 (800)
5G N78 (3500)

Mobilfunkbetreiber von Switzerland

2G 3G 4G 5G
Salt Mobile B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800)B7 (2600)B20 (800) No
Sunrise B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800)B7 (2600)B20 (800) N78 (3500)
Swisscom B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800)B7 (2600)B20 (800) N78 (3500)