Frequency Band Comparison

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Frequency Band T-Mobile Samsung SGH-T989 Galaxy S II (Samsung Hercules)
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Samsung SGH-i640 / SGH-i640v
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GSM 850 MHz Yes No
GSM 900 MHz (E-GSM) Yes Yes
GSM 1800 MHz (DCS) Yes Yes
GSM 1900 MHz (PCS) Yes Yes
UMTS B1 (2100 MHz) Yes Yes
UMTS B2 (1900 MHz PCS) No Yes
UMTS B4 (1700/2100 MHz AWS 1) Yes No
UMTS B5 (850 MHz) Yes Yes

Related Listings for Samsung SGH-T989 Galaxy S II (Samsung Hercules)


Related Listings for SGH-i640 / SGH-i640v