5
(L) Weight
Z3G
Z3K
Z3E
MT53H7A4600-NA
13.9 oz. (394 g)
M753H7B4600-NA
13.5 oz. (384 g)
MT53H7P3E4600-NA 14.7 oz. (418 g)
Technical data
Frequency range:
462-467 MHz (FRS/GMRS/BRS)
Operation mode:
Half duplex
Channels:
Max 30
Channel separation:
12.5 kHz
Modulation:
FM: 2.5 kHz
Microphone type:
Electret (MT53)
Receiver sensibility:
Typical-122 dBm
Output power:
150mW
Selective squelch:
CTCSS (38 sub channels)
Range:
Up to 3 km depending on conditions
Power supply:
2x AA alkaline (3,0 V) or NiMH (2,4 V )
Power consumption:
Stand-by: <59 mA
Receiving: <70 mA
Transmitting high power: <230 mA
Transmitting low power: <160 mA
Operating time:
20 hours
Operating temperature:
-4F to +131F (-20ºC to +55ºC)
Storage temperature:
-40F to +131F (-40ºC to +55ºC)
Frequency [Hz]
125
250
500
1000 2000
3150
4000
6300
8000
NRR
CSA
Class
MT7H7A4600-NA
Head band
Mean Attenuation [dB]
17.8
23.0
32.1
36.2
35.1
39.0
38.7
38.3
36.5
25
A
Standard Deviation [dB]
4.4
3.2
2.8
3.0
2.4
3.8
3.0
3.5
3.9
MT7H7B4600-NA
Neck band
Mean Attenuation [dB]
18.9
25.9
35.2
37.0
34.9
40.6
39.9
39.7
39.7
26
A
Standard Deviation [dB]
5.2
3.2
3.3
2.9
2.5
3.6
3.0
2.3
2.5
MT7H7P3E4600-NA
Helmet attachment
Mean Attenuation [dB]
19.4
24.3
33.6
35.5
34.1
38.5
38.0
35.8
35.7
25
A
Standard Deviation [dB]
3.4
3.3
3.8
1.7
2.6
3.6
3.1
5.4
5.4
(M) Helmet attachments