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日本ICOM 座台式 IC-M304 DSC VHF 無線電對講機.全機防水與 港口管制台 及 海巡艇 聯絡呼叫 及 友船聯絡 (無噪音不吵雜). |
日本ICOM 座台式 IC-M304 DSC VHF 無線電對講機.全機防水.
與 港口管制台 及 海巡艇 聯絡呼叫 及 友船聯絡 (無噪音不吵雜)
DSC功能 緊急救難發報 船位 (中華民國海難搜救中心)
| •產品名稱： |
IC-M304 VHF MARINE TRANSCEIVER |
| •頻率範圍 |
156.050–163.275MHz |
| •輸出功率(W)： |
25W |
| •生產地： |
JAPAN |
| •重量(G)： |
8.25g |
| •尺寸大小： |
153×67×133mm |
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Specifications
| General |
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Frequency range
Tx
Rx
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156.025–157.425 MHz
156.050–163.275 MHz
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| Usable channels |
USA, CAN, INT, WX channels |
| Type of emission |
16K0G3E, 16K0G2B
|
| Power supply |
13.8V DC ±15% |
Current drain (at 13.8V DC)
Tx
Rx |
5.5A (at 25W output)
1.5A (at AF max.) |
| Operating temperature range |
–20°C to +60°C;
–4°F to +140°F
|
| Antenna impedance : |
50Ω (SO-239) |
Dimensions (W×H×D,
projections not included) |
153×67×133mm ;
61⁄32×25⁄8×51⁄4 in.
|
| Weight (approx.) |
825g; 1.8lb |
| NMEA formats |
NMEA version 2.0 or 3.01
RMC, GGA, GNS, GLL
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| Transmitter |
| Output power |
25W or 1W (at 13.8V DC) |
| Modulation system |
Variable reactance frequency modulation |
| Max. freq. deviation |
±5 kHz |
| Frequency error |
±10ppm |
| Spurious emissions |
Less than –70dBc (at 25W) |
| Adj. channel power |
More than 70dB |
| Audio harmonic distortion |
Less than 10% (at 60% dev.) |
| Residual modulation |
More than 40dB |
| Receiver |
| Intermediate freq. |
1st 21.7 MHz, 2nd 450 kHz |
| Sensitivity |
0.22μV typical at 12dB SINAD |
| Squelch sensitivity |
Less than 0.22μV |
| Adj. Ch. selectivity |
More than 70dB |
| Spurious response |
More than 70dB |
| Intermodulation |
More than 70dB |
| Hum and noise |
More than 40dB |
| Audio output power |
4.5W typical at 10% distortion with a 4Ω load |
Measurements made in accordance with TIA/EIA 603. All stated specifications are subject to change without notice or obligation.
Color versions
- Black
- Super white
Supplied accessories
- Hand microphone
- DC power cable
Dimensions
Rear Panel Connections
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