Frequency Band Comparison

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Frequency Band RIM BlackBerry 7780
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O2 XDA Zest ( Asus Crystal)
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GSM 850 MHz Yes No
GSM 900 MHz (E-GSM) No Yes
GSM 1800 MHz (DCS) Yes Yes
GSM 1900 MHz (PCS) Yes Yes
UMTS B1 (2100 MHz) No Yes

Related Listings for BlackBerry 7780


Related Listings for XDA Zest ( Asus Crystal)