SIM/TF Card Slot
The TF / SIM/ SAM/card panel can only be accessed with under the port panel cover door. Lift on
the port panel cover door to insert cards to the device.
1. Insert T-Flash card (micro SD) memory card into slot in correct orientation as shown above. The device can
accommodate a TF card with memory of up to 128GB. A memory card can be installed at a later stage, it does not need
to be purchased with the device.
2. Insert the 2 x micro SIM (Subscriber Identity Module) cards into slots in correct orientation as shown above.
USB TYPE A / MICRO USB/ LAN Slot
USB TYPE A Port
USB Type-A is a specification that allows USB devices, such as tablets or, to act as a host, allowing
other USB devices, such as USB flash drives, digital cameras, mice or keyboards, to be attached to
them. One USB type A port is on the left Left Port panel cover, another USB type A port is on the
right side of the device.
MICRO USB
This MICRO USB port is a specification that allows VC331 connected with PC and another host
device. To do data transfer, such as firmware upgrade, file transfer and more.
LAN Port
This LAN port is under the Left Port panel cover.
