OTE PUMA T2 - Earphone for PTT Microphone

PUMA T2
Technical Handbook
Antenna & accessories
P/N: 779-0306/01
Revision 03
OTE Proprietary information
Page 111
B.6 EARPHONE FOR PTT MICROPHONE WITH LOUDSPEAKER
This kit (
Fig. B.7) is to be used with the PTT microphone with internal loudspeaker. It is
provided with a plastic hook to attach it to the user’s ear.
Fig. B.7: Earphone for PTT microphone
The characteristics of the earphone are shown in Tab. B.7.
Tab. B.7: Earphone characteristics
Parameter Value
Frequency range
80 Hz ÷ 3800 Hz
Sensibility
110 dB ± 2.5 dB at 1 kHz (0 dB = 1 V/m bar)
Impedance
500 Ω ± 30% at 1 kHz
Power 80 mW
1
Plastic hook
2
Earphone 500 Ω
3
Cable 1.5 m
4
Microphone jack Ø 3,5 mm