User's Manual

3. HARDWARE DESCRIPTION
3.1 System Interface
The I/O connectors of H18T module are PCI EXPRESS MINI CARD and two RF antenna connectors.
Table 3-1 summarizes the signals and power lines that are supported by the PCI Express Mini
Card System Interface. Table 3-2 shows the antenna interface.
Table 3-1 System Interface
Signal Group Pin counts. Description
Power 5 3.3V power source
GND 13 Return current path
USB 2 USB serial data interface compliant to the USB 2.0 specification
W_DISABLE# 1 Enable/Disable the HSDPA module
UIM 4 SIM function
LED 1 Status indicator
Table 3-2 Antenna interface
Signal Group Connector no. Description
ANT 1 Antenna interface