3M MT73H7A4D10NA Manuale - Pagina 10
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10.3 Technical Data, Electrical
Power:
The Intrinsic safe models is powered by a rechargeable Li-ion battery pack (
).
x
3.7 V, 1350 mAh
The non intrinsic safe models is powered by a rechargeable Li-ion battery pack (ACK081).
x
3.7 V, 1800 mAh
Operating Time Intrinsic safe models:
Expected operating time (according to standardized measurement) in room temperature with
is:
x
High power: ~12 h
x
Medium power: ~13 h
x
Low power: ~14 h
Operating Time Non Intrinsic safe models:
Expected operating time (according to standardized measurement) in room temperature with ACK081 is:
x
High power: ~16 h
x
Medium power: ~17 h
x
Low power: ~18h
External input:
4-pole connector for external equipment, 3M™ Peltor type J111-A
10.4 Technical data, Radio
Frequency range:
x
406.1 - 470 MHz
Operation mode:
x
Simplex
Antenna:
x
¼ wave, integrated whip antenna, fixed to the headset
x
Omni directional
x
Gain: 2 dBi
Channels:
x
Up to 70 channels
Channel spacing:
x
12,5 kHz and 25 kHz
Modulation:
x
Analog: Max narrow 2,5 kHz (FM), Max wide 5 kHz (FM)
x
Digital: 4-level FSK, 2.5 kHz max deviation.
Receiver sensitivity:
x
Typical -120 dBm
Output power:
x
High power: 200 mW e.r.p
x
Medium power: 20 mW e.r.p
x
Low power: 10 mW e.r.p
© 3M Svenska AB
Värnamo, Sweden