User's Manual

WARNING:Reserved pins must not be connected.
NOTE:
If not used, almost all pins should be left disconnected. The only exceptions are the following
pins:
RTS pin should be connected to the GND (on the module side) if flow control is not used
signal
VBATT & VBATT_PA
GND
ON/OFF*
TXD
RESET*
RXD
RTS
TXD_AUX
RXD_AUX
Service