Frequency Band Comparison

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Frequency Band Siemens SX1
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HTC Touch Diamond2 T5353 (HTC Topaz 100)
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GSM 900 (E-GSM) Yes Yes
GSM 1800 (DCS) Yes Yes
GSM 1900 (PCS) Yes Yes
UMTS B1 (2100) No Yes
UMTS B8 (900 GSM) No Yes

Current Listings for SX1


Current Listings for Touch Diamond2 T5353 (HTC Topaz 100)