User manual

GSM1218 Quad-Band SA-GL User Manual
GSM1218PB001MAN 9 Version 1.03 – 02/14/05
3.5 Attaching a Microphone/Speaker
To place a voice call, insert a microphone/speaker to the port labeled “MIC
AUDIO” as shown below in Figure 7. The plug is a standard 2.5mm audio
connector. Many existing mobile phone headsets can be used.
Figure 7: Attaching a Headset to the GSM/GPRS SA-GL Module