There is one SIM card holder, as shown in Figure 10. To read
the SIM card data, you need a 4G/LTE module. There is a mini-
PCIe connector inside that enables a 4G/LTE module to be
mounted.
Figure 10: SIM Card Holder
ATTENTION:
The 4G module is not mounted by default but can be ordered
along with the product.
Audio Connector
The product CS19108R125P-C111 has one headphone, as Figure 11
shows, as well as an internal 2W speaker.
Figure 11: Audio Connector
WiFi+BT
The product has one WiFi+BT module, based on the Realtech
RTL8723, which integrates WiFi and BT. There is a connector on
the backside of the case that is used to connect an external
WiFi and BT antenna, as shown in Figure 12.
Figure 12: WiFi+BT Antenna Connector
