IC-M58 - VHF Mounted Marine Transceiver

Detailed Specifications

GENERAL

• Frequency Coverage: Transmit: 156-157.5 MHz; Receive: 156-163 MHz
• Mode: FM (16K0G3E); DSC (16K0G2B)
• Power Supply Requirement: 13.8 V DC +/-15% (negative ground)
• Current Drain (at 13.8 V DC):

  Transmit: 6.0 (high); 1.5 A (low)

  Receive: 1.2 A (max. audio); 350 mA (standby)

• Usable Temperature Range: -20°C~ to +60°C (-4°F to +140°F)
• Dimensions: 166(W) x 70(H) x 175(D) mm; 6.52(W) x 2.75(H) x 6.84(D) in (projections not included)
• Weight: 1.0 kg; 2.2 lb

TRANSMITTER

• Output Power: 25 W (high); 1 W (low)
• Modulation System: Variable reactance phase modulation
• Max. frequency deviation: ±5 kHz
• Spurious Emissions: Less than -70 dB
• Noise and hum: Less than 40 dB
• Microphone Impedance: 600 ohms

RECEIVER

• Receiver System: Double-conversion superheterodyne
• Intermediate Frequencies: 1st: 21.8 MHz; 2nd: 455 kHz
• Sensitivity: 0.32µV for 12 dB SINAD
• Squelch sensitivity (at threshold): Less than 0.18 µV
• Adjacent channel selectivity: 70 dB
• Spurious Response Rejection Ratio: 70 dB
• Intermodulation rejection ratio: 70 dB
• Audio Output Power: More than 3.5 W with a 4 ohms load
• Audio Output Impedance: 4 to 16 ohms

IC-M58 Options

Some versions cannot use all the options listed here since type approval for the IC-M58 varies between countries. Ask your dealer which options are available.

• HS-57 HANDSET KIT: Provides good audibility and listening privacy.
• MB-28 FLUSH MOUNT: For mounting the IC-M58 to a panel. Available in white or black.
• PS-66 DC-DC CONVERTER: Enables use of a 24 V boat battery. Input voltage: 19 to 32 V DC; Output voltage: 13.6 V DC
• UT-79 VOICE SCRAMBLER UNIT: Provides 128 analog voice scramble codes for private communications.
• UX-114 DSC UNIT: Provides the IC-M58 with DSC capabilities which comply with U.S. Coast Guard proposal SC-101 for marine digital communications.