Sierra Wireless WISMO218 - Manual (Page 21)

WA_DEV_W218_PTS_002 Rev 005 Page 21 of 109
Product Technical Specification &
Customer Design Guidelines

Serial bus SPI for debug trace

PWM0,1 and PWM2 for buzzer output

GPIOs

ON/~OFF

TX burst indicator

Module ready indicator

Reset
Firmware

Drives the WISMO218 via an AT command interface over a serial port

Full GSM/GPRS Operating System stack

Real Time Clock with calendar
Connection Interfaces
The WISMO218 has a 46-pin castellation form factor which provides:

One ANT pin for RF in/out

Other pins for baseband signals