Specifications – Icom VHF Marine Transceiver IC-M88 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

⁄

(W) × 3

⁄

(H) × 1

⁄

(D) in.

• Weight (with antenna, BP-227/FM)

: 280 g; 9

⁄

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

Ω

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

Ω load

• Ext. speaker connector

: 9-pin multi connector/8

Ω

Specifications are measured in accordance with TIA/EIA-603.

All stated specifications are subject to change without notice or obligation.

SECTION 1 SPECIFICATIONS