我想在德国买一台iphone6.不知道怎么挑选制式

下面是德国的制式配置，我现在用的是联通卡，不想换，请问我是该买Modell A1586 (CDMA)*或Modell A1524 (CDMA)*，请懂得告诉我一声，感谢
Modell A1549 (CDMA)*
Modell A1522 (CDMA)*
CDMA EV-DO Rev. A und Rev. B (800, 1700/2100, 1900, 2100 MHz)
UMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)
GSM/EDGE (850, 900, 1800, 1900 MHz)
LTE (Frequenzbänder 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29)
Modell A1586 (GSM)*
Modell A1524 (GSM)*
UMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)
TD-SCDMA 1900 (F), 2000 (A)
GSM/EDGE (850, 900, 1800, 1900 MHz)
FDD-LTE (Frequenzbänder 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29)
TD-LTE (Frequenzbänder 38, 39, 40, 41)
Modell A1586 (CDMA)*
Modell A1524 (CDMA)*
CDMA EV-DO Rev. A und Rev. B (800, 1700/2100, 1900, 2100 MHz)
UMTS/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100 MHz)
TD-SCDMA 1900 (F), 2000 (A)
GSM/EDGE (850, 900, 1800, 1900 MHz)
FDD-LTE (Frequenzbänder 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26, 28, 29)
TD-LTE (Frequenzbänder 38, 39, 40, 41)