Frequency Band Comparison

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Frequency Band BBK Vivo Y71 Dual SIM TD-LTE RU 16GB 1801 (BBK 1731B)
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Sony Xperia Z4 LTE-A SO-03G (Sony Ivy SS)
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GSM 850 No Yes
GSM 900 (E-GSM) Yes Yes
GSM 1800 (DCS) Yes Yes
GSM 1900 (PCS) Yes Yes
UMTS B1 (2100) No Yes
UMTS B5 (850) No Yes
UMTS B6 (850 Japan) No Yes
UMTS B19 (800 Japan) No Yes
LTE B1 (2100) No Yes
LTE B3 (1800 +) No Yes
LTE B19 (800 Upper) No Yes
LTE B21 (1500 Upper) No Yes
LTE B28 (700 APT) No Yes

Current Listings for Vivo Y71 Dual SIM TD-LTE RU 16GB 1801 (BBK 1731B)


Current Listings for Xperia Z4 LTE-A SO-03G (Sony Ivy SS)