User Manual

Smart Machine Smart Decision
SIM800L-EVB_User Guide_V1.00 6 2013-07-22
Figure 2: EVB BOTTOM view
A. SIM800L module
B. Power key ( module ON/OFF control )
C. Reset key ( reset the module )
D. Power switch ( download control )
E. Charge switch ( charge ON/OFF control )
F. Headset interface
G. USB
H. SIM card interface
I. Debug serial port
J. MAIN serial port
K. Test point interface
L. GSM antenna interface
M. Switch 1
N. Switch 2
O. Test point interface
P. Test point interface
Q. Headphones interface
R. Source adapter interface
Q R