ICOM

---

ICOM Type 1

Pin.	Name	Comment
1	MIC	Connecter : BTS 8p Model :
2	NC
3	UP/DOWN
4	NC
5	PTT
6	PTT-GND/COMMON
7	MIC-GND
8	NC

---

ICOM Type 2

Pin.	Name	Comment
1	MIC	Connecter : BTS 4p Model :
2	PTT
3	NC
4	GND

---

ICOM Type H1

Pin.	Name	Comment
1	MIC/PTT	Connecter1 : 2.5mm 3p Phone Connecter2 : 3.5mm 2p Phone Model : PTT-R:33k
2	NC
3	GND
4
5	SP
6	GND

---

ICOM Type H2

Pin.	Name	Comment
1	MIC/PTT	Connecter1 : 2.5mm 2p Phone Connecter2 : 3.5mm 2p Phone Model : PTT-R : 33k-ohme
2	GND
3
4	SP
5	GND

---

ICOM Type H3

Pin.	Name	Comment
1	SP	Connecter : 3.5mm 3p Model : Phone PTT-R:33k
2	MIC/PTT
3	GND