Frequency Band Comparison

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Frequency Band BBK Vivo Nex Dual Display Edition Dual SIM TD-LTE TW 128GB 1813 (BBK V1821)
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Samsung SM-G3139D Galaxy Ace 4 CDMA
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GSM 850 Yes Yes
GSM 900 (E-GSM) Yes Yes
GSM 1800 (DCS) Yes Yes
GSM 1900 (PCS) Yes Yes
UMTS B1 (2100) Yes No
UMTS B5 (850) Yes No
UMTS B8 (900 GSM) Yes No
UMTS B19 (800 Japan) Yes No
LTE B1 (2100) Yes No
LTE B3 (1800 +) Yes No
LTE B5 (850) Yes No
LTE B7 (2600) Yes No
LTE B8 (900) Yes No
LTE B19 (800 Upper) Yes No
LTE B28 (700 APT) Yes No
LTE B38 (TD 2600) Yes No
LTE B39 (TD 1900 +) Yes No
LTE B40 (TD 2300) Yes No
LTE B41 (TD 2500) Yes No
CDMA BC0 (800) No Yes

Current Listings for Vivo Nex Dual Display Edition Dual SIM TD-LTE TW 128GB 1813 (BBK V1821)


Current Listings for SM-G3139D Galaxy Ace 4 CDMA