N9:
http://www.developer.nokia.com/Devic...ifications/N9/

Frequency Bands
GSM 850
GSM 900
GSM 1800
GSM 1900
WCDMA Band I (2100)
WCDMA Band II (1900)
WCDMA Band IV (1700/2100)
WCDMA Band V (850)
WCDMA Band VIII (900)

Data Bearers
Dual Transfer Mode (MSC 32)
EDGE Class B
GPRS Class B
HSDPA Cat10 14.4 Mbps
HSUPA Cat6 5.76 Mbps
WCDMA

SGSII:
http://www.samsung.com/global/micros...ification.html

Frequency Bands
GSM 850
GSM 900
GSM 1800
GSM 1900
UMTS (aka WCDMA?) 850
UMTS 900
UMTS 1900
UMTS 2100

Data Bearers
HSPA+ (21Mbps)
HSUPA (5.76Mbps)
EDGE
GPRS Class 12

Think the Samsung site's a bit incomplete.