Může se hodit - AT příkazy pro změnu LTE/3G/2G a frekvence
LTE ⅩⅩ (800 MHz)
AT^SYSCFGEX="03",3FFFFFFF,2,4,80000,,
LTE Ⅶ (2600 MHz)
AT^SYSCFGEX="03",3FFFFFFF,2,4,40,,
LTE Ⅲ (1800 MHz)
AT^SYSCFGEX="03",3FFFFFFF,2,4,4,,
LTE Ⅰ (2100 MHz)
AT^SYSCFGEX="03",3FFFFFFF,2,4,1,,
UMTS Ⅰ (2100 MHz)
AT^SYSCFGEX="02",00400000,2,4,7FFFFFFFFFFFFFFF,,
UMTS Ⅷ (900 MHz)
AT^SYSCFGEX="02",0002000000000000,2,4,7FFFFFFFFFFFFFFF,,
UMTS Ⅱ (1900 MHz)
AT^SYSCFG=14,3,00800000,2,4
UMTS Ⅳ (1700 MHz)
AT^SYSCFG=14,3,02000000,2,4
UMTS Ⅴ (850 MHz)
AT^SYSCFG=14,3,04000000,2,4
GSM 900 MHz
AT^SYSCFGEX="01",00000300,2,4,7FFFFFFFFFFFFFFF,,
GSM 1800 MHz (DCS)
AT^SYSCFGEX="01",00000080,2,4,7FFFFFFFFFFFFFFF,,
GSM 1900 MHz (PCS)
AT^SYSCFGEX="01",00200000,2,4,7FFFFFFFFFFFFFFF,,
GSM 850 MHz
AT^SYSCFGEX="01",00080000,2,4,7FFFFFFFFFFFFFFF,,
back to default
AT^SYSCFGEX="030201",3FFFFFFF,2,4,7FFFFFFFFFFFFFFF,,