Samsung Galaxy S21 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), 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)

Coverage in New Zealand

2G B3 (1800)B8 (900)
3G B1 (2100)B5 (850)B8 (900)
4G B3 (1800)B7 (2600)B28 (700)B40 (2300)
5G N78 (3500)

Operators of New Zealand

2G 3G 4G 5G
2degrees B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800) No
Spark B2 (1900)B3 (1800)B8 (900) B1 (2100)B5 (850) B3 (1800)B7 (2600)B28 (700)B40 (2300) N78 (3500)
Vodafone B3 (1800)B8 (900) B1 (2100)B8 (900) B3 (1800)B7 (2600)B28 (700) No