Network Device Priority; Sim Card Management - Denso BHT-1700 Series User Manual

5.1. Network Device Priority

When multiple network devices are enabled, the transmission method of the BHT is determined by the
following priorities.
Wired LAN > WLAN > Mobile Network

5.2. SIM Card Management

There are two card slots (SIM 1 and SIM 2 card slots) of the SIM card in the 4G model.
Both SIM 1 and SIM 2 card slots support 2G/3G/4G.
For this reason when SIM is installed in either card slot, 3G/4G data communication is possible.
However two SIMs are installed in SIM1 and SIM2 card slots, data communication with 3G/4G is possible with
SIM1 card slot but it is not possible with SIM2 card slot.
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