Icom IC-M88 Marine Radio User Manual


 
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GENERAL
• Frequency coverage : TX: 156.025–157.425 MHz, RX: 156.050–163.275 MHz [MARINE]
TX/RX: 146.000–174.000 MHz [LMR]
• Number of free channels : 22 channels
• Type of emission : 16K0G3E (Wide; 25 kHz) [MARINE]
16K0F3E (Wide; 25 kHz), 8K50F3E (Narrow; 12.5 kHz) [LMR]
• Antenna connector : SMA (50 Ω)
• Power supply requirement : BP-227/FM (7.2 V DC, negative ground)
• Current drain (approx.) : Transmit at High (5.0 W) 1.6 A
at Middle (3.0 W) 1.2 A
at Low1 (1.0 W) 0.7 A
Receive at maximum audio 200 mA
at stand-by Less than 120 mA
• Usable temperature range : –20˚C to +60˚C; –4˚F to +140˚F [MARINE]
–30˚C to +60˚C; –22˚F to +140˚F [LMR]
• Dimensions (projections not included) : 62(W) × 97(H) × 39(D) mm; 2
7
16(W) × 3
13
16(H) × 1
17
32(D) in.
• Weight (with antenna, BP-227/FM) : 280 g; 9
7
8 oz (approx.)
TRANSMITTER
RF output power (with BP-227/FM) : 5 W / 3 W / 1 W (High / Middle / Low)
• Modulation system : Variable reactance frequency modulation
• Maximum frequency deviation : ±5.0 kHz (Wide) [MARINE]
±5.0 kHz (Wide), ±2.5 kHz (Narrow) [LMR]
• Frequency error : ±5.0 ppm
• Spurious emissions : –70 dBc
• Adjacent channel power : 70 dB [MARINE]
70 dB (Wide), 60 dB (Narrow) [LMR]
• Audio harmonic distortion : 10% at 60% deviation
• FM Hum and noise : 40 dB [MARINE]
40 dB (Wide), 34 dB (Narrow) [LMR]
• Limiting charact modulation : 60–100% of maximum deviation
• Ext. microphone connector : 9-pin multi connector/2.2 k
RECEIVER
• Receive system : Double conversion superheterodyne system
• Intermediate frequencies : 1st 31.05 MHz
2nd 450 kHz
• Sensitivity : 0.25 µV typical at 12 dB SINAD
• Squelch sensitivity : 0.35 µV typical at threshold
• Adjacent channel selectivity : 70 dB typical [MARINE]
70 dB typical (Wide), 60 dB typical (Narrow) [LMR]
• Spurious response rejection : 70 dB typical
• Intermodulation rejection ratio : 70 dB typical
• Hum and noise : 40 dB [MARINE]
40 dB (Wide), 34 dB (Narrow) [LMR]
• Audio output power (at 7.2 V DC) : 350 mW typical at 10% distortion with an 8 load
• Ext. speaker connector : 9-pin multi connector/8
Specifications are measured in accordance with TIA/EIA-603.
All stated specifications are subject to change without notice or obligation.
SECTION 1 SPECIFICATIONS