OG_MU1-RIK_v20e Circuit Design, Inc.
6
OPERATION GUIDE
RS232C
level
conversion
2
1
VCC
GND
MU-1
λ/4
Antenna
Regulator
+3v
13
12
11
10
9
8
14
7
4
5
6
3
2
1
INI
RXD
TXD
RTS
CTS
MODE
RESET
RX-MON
RF
GND
VCC
AF-MON
RSSI
TX-LED
RX-LED
CN1
+
-
~
DC +3.2v +12v
LED1
LED2
LED3
Power Terminal
SW1
Power SW
1
RXD
2
TXD
3
DTR
4
GND
5
DSR
6
RTS
7
CTS
8
9
CN2
D-Sub 9pin
SW2
2.2 Block Diagram