Frequency Band Comparison

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Frequency Band Apple iPhone 4S CDMA A1431 64GB (Apple iPhone 4,1)
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PalmOne Treo 650 CDMA
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GSM 850 MHz Yes No
GSM 900 MHz (E-GSM) Yes No
GSM 1800 MHz (DCS) Yes No
GSM 1900 MHz (PCS) Yes No
UMTS B1 (2100 MHz) Yes No
UMTS B2 (1900 MHz PCS) Yes No
UMTS B5 (850 MHz) Yes No
UMTS B8 (900 MHz GSM) Yes No
CDMA BC0 (800 MHz) Yes Yes
CDMA BC1 (1900 MHz PCS) Yes Yes

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