Frequency Band Comparison

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Frequency Band BBK Vivo X21 Dual SIM TD-LTE HK 128GB
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Samsung SPH-M4800 Ultra Messaging II
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GSM 850 MHz Yes Yes
GSM 900 MHz (E-GSM) Yes Yes
GSM 1800 MHz (DCS) Yes Yes
GSM 1900 MHz (PCS) Yes Yes
UMTS B1 (2100 MHz) No Yes

Related Listings for Vivo X21 Dual SIM TD-LTE HK 128GB


Related Listings for SPH-M4800 Ultra Messaging II