Terminal DescripTions
Speaker/ Microphone Jacks
You can use a resn-based cover for the Speaker/ Mcrophone
jacks.
No.
Name
1
PTT/RXD
2
MICI
3
MICO
4
OPTDET
5
50V
6
AE
7
TXD
8
SPI
9
SPO
Antenna Terminal
50 Ω impedance
Description
PTT nput / Seral data nput
MIC nput
Output from nternal MIC
Opton Detect
5V output
Audo Earth
Seral data output
To nternal SP
AF power output
Impedance
10 kΩ
1.8 kΩ
−
74 kΩ
−
GND
6.8 kΩ
8 Ω (Load)
−
I/O
I
I
O
I
O
−
O
I
O