29
4
PTT/TXD0
PTT/PC Serial Data
3.3V TTL
I
5
ME
MIC Ground
MIC Ground
-
6
MIC
MIC Signal Input
600
Ω
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/4
Ω
Pin NO
Pin Name
Description Specification
I/O
Remake
1 SPO
External Speaker Output
4Watt/4
Ω
O
2 GND
Ground
Ground
O
DC Input Power Connector
Pin NO
Pin Name
Description Specification
I/O
Remake
Red
DC+13.6V
DC Power Output
13.6±15%
I
Black GND
Ground
Ground
I
Antenna Connector
Impedance is 50
7. Specification
7.1 TM-8102 / TM-8104
General
Frequency Range
Frequency Stability
VHF: 136 ~ 174 MHz
±1.5PPM (-30 to +60
℃
)
Содержание TM-8102
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