| GENERAL |
| Type: | Marine VHF transceiver |
| Frequency range: |
TX: 156.000-161.450 MHz
RX: 156.000-163.425 MHz
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| Tuning steps: | Channelized |
| Frequency stability: | ±800 Hz @ -20 to +60°C (-4 to +140°F) |
| Mode: | FM |
| Channels / memory management: |
57 international channels
Additional 58 US channels (UK version only)
1 call
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| Duplex shift / offset: | Automatic according to bandplan |
| Power supply: | 13.8 VDC ±15% |
| Current drain / power consumption: | RX: Max 1.5 A
TX: Max 5.5 A |
| Antenna impedance / connector: | 50 ohm / SO-239 |
| Dimensions (W*H*D): | 220*110*109 mm (8.66*4.33*4.29") |
| Weight: | 1.35 Kg (2.98 lb) |
| Other features: |
Channel 16 button. Class D DSC. Dual/triwatch. Scanning.
Hailer. Foghorn. Intercom. GPS option (NMEA input)
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| RECEIVER SECTION |
| Receiver system: |
Double conversion superheterodyne
1st IF: 31.05 MHz (Com RX) - 21.7 MHz (DSC channel 70 RX)
2nd IF: 450 KHz
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| Sensitivity: | 0.56 uV (20 dB SINAD) |
| Squelch sensitivity: | Less than 0.56 uV (Threshold) |
| Selectivity: | 75 dB (Adjacent channel) |
| Image rejection: | |
| AF output power / speaker: | 2 W at ?% distortion / 4 ohm |
| External speaker connector: | |
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| TRANSMITTER SECTION |
| RF output power: |
High: 25 W
Low: 1 W
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| Modulation system: | Variable reactance frequency modulation |
| Max FM deviation (Factory set): | ±5 KHz |
| Spurious emissions: | Less than 0.25 uW |
| Microphone impedance / connector: |
Front jack
2 Kohm / 8-pin (HM-137 only!)
Rear jacks
2 Kohm / 8-pin (HM-134 only!)
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| Microphone input level: | ? mV |
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| MISCELLANEOUS |
| Manufactured: | Japan, 2002-200x (Discontinued) |
| Additional info: | |
| Related documents: | User manual (2 MB) |
| Modifications and fixes: | |
| Reviews: | |
| Options / Accessories: |
HM-134
HM-137
MB-75
OPC-999
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Remote control microphone
Smart speaker-microphone
Flush mount
Microphone extension cable (For HM-134)
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