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一、Features
 
Submersible compact body with large LCD and powerful audio
Compact and submersible
Equivalent to IPX7 (1m depth for 30 minutes, except cables).
Large easy-to-see LCD
Shows full size channel number with 4-step backlighting.
Built-in DSC (RTCM SC-101)
For distress calls, or for position request/ position report.
Force5Audio™ speaker
Delivers impressive audio output with powerful bass.
Favorite channel function
Offers quick channel selection from the microphone up/down buttons.
AquaQuake draining function
The vibrating “buzz” sound clears water away from the speaker grill.
Weather channel with WX alert
Listen for important weather broadcasts.
Dualwatch and Tri-watch functions
Monitors Ch.16 and/or call channel, while using another channel.
二、Specifications
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IC-M304
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Frequency range
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Tx
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156.025–157.425MHz
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Rx
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156.050–163.275MHz
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Power supply requirements
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13.8V DC ±15%
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Dimensions (W×H×D)
(Projections not included)
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153×67×133 mm
61/32×25/8×51/4 in
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Weight
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825g; 1.8lb
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Current drain
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Transmit (High)
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5.5A
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Max. audio output
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1.5A
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Sensitivity (at 12dB SINAD; emf)
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0.22μV typical
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Intermodulation rejection
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70dB
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Audio output power (10% dist. /4Ω load)
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4.5W typical
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RF output power
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25/1W
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All stated specifications are subject to change without notice or obligation.
三、Options
HAND MICROPHONE
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 HM-164B/SW/G
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FLUSH MOUNT KIT
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 MB-69
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DUST COVER
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 MB-92
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