10
6
MIC
MIC Signal Input
600Ω
I
7
HOOK/RXD0 HOOK/PC Serial Data
3.3V TTL
I
8
DM
MIC Data Detection
High Impedance
I/O
Speaker Jack (3.5mm Phone Jack) 4Watt/4Ω
Pin
NO
Pin Name
Description
Specification
I/O
Remake
1
SPO
External
Speaker
Output
4Watt/4Ω
O
2
GND
Ground
Ground
O
DC Input Power Connector
Pin
NO
Pin Name
Description
Specification
I/O
Remake
Red
DC+12.0V
DC Power Output
I
Black GND
Ground
Ground
I
Antenna Connector
Impedance is 50