Seuic AutoID 9 Manual page 39

registered to the network according to the current network environment.
(1) After inserting China Unicom SIM card, you can select the following
Network modes: LTE/WCDMA/GSM, WCDMA/GSM, GSM only, LTE
only. GSM only equals to 2G only mode and LTE only equals to 4G
mode only (In this mode, you can only use the data network and can't
make phone calls or send text messages). The other Network modes can
automatically switch between different modes according to the current
network type.
Figure 7-27 China Unicom Network modes settings
(2) After inserting Telecom SIM card, you can select the following
Network modes: LTE/CDMA/EvDo, CDMA/EvDo, CDMA only and
LTE only. CDMA only equals to 2G mode only and LTE only equals to
4G mode only (In this mode, you can only use the data network and can't
make phone calls or send text messages). The other Network modes can
automatically switch between different modes according to the current
37