User's Manual

3.2. Placement recommendation
The analog part components such as microphone should be placed far away from antenna and
power supply. General placement recommendation is shown in Figure 2.
Power
Supply
Module
LCD
Interface
SIM
Interface
Pwrkey&Audio Interface
Keypad
Interface
UART Interface Power
Antenna
Audio Part Keypad Part
Digital Part & Other Part
RF
Figure 2: Recommendation of placement
3.3. Placement clearance
The module mounts with 64 SMT pads. For easy maintenance of this module and accessing to
these pads, please keep a distance no less than 3mm between M10 and other components.