UNIMETRICS
model(s)	wire color	pin number
DOLPHONE	Audio	1
	Ground	2
	N/C	n/c
	Common	3
	PTT	2
	receive	N/C
model(s)	wire color	connection
SEA HORSE I	Audio	M4
	Ground	G
(Hi-Z, Use an amplified mic only)	N/C	N/C
	Common	B1
	PTT	T2
	receive	R3
model(s)	wire color	pin number
MARLIN I	Audio	4
PORPOISE I	Ground	GND
MAKO I	N/C	n/c
	Common	1
(Hi-Z, Use an amplified mic only)	PTT	2
	receive	3
model(s)	wire color	pin number
STING RAY II	Audio	1
	Ground	4
	N/C	N/C
	Common	3
	PTT	2
	receive	5