M73

M73 Features

AquaQuake™ water draining function
Dual/Tri-Watch function for monitoring Channel 16 and/or call channel
4 level battery indicator
Favorite channel and tag scan functions
Auto power save function

Categories: iCOM Portables, iCOM Radios, Marine

Description
IC-M94D Specifications
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Simply Ergonomic: Slim, Stylish, Professional

The M73’s ergonomic design fits easily in the user’s hand and is a rugged, durable radio. The large screen and high intensity LCD offers bright, easy to read characters. Yacht customers benefit from the optional VOX headset and adapter option that allows someone handling dock lines to use both hands, while docking the boat, simultaneously communicating with the captain.

Output Power:		6W
Battery Life:		2000mAh Li-ion battery, up to 16 hours Typical operation; Tx:Rx:Stand-by duty ratio = 5:5:90
Waterproof Rating:		IPX8

Loud Audio

The M73 uses a BTL (bridge-tied load) amplifier that doubles the audio output. Its internal speaker delivers a loud 700mW audio output with clear sound.

M73 PLUS

The M73 PLUS includes these additional features:

Active noise cancelling to reduce background noise to hear conversations better.
Bass boost function provides a rich bass sound for both transmit and receive signals.
Last call voice recording automatically saves the last incoming call for one minute. You can also start recording manually.

General

Frequency range	Tx	156.025–157.425 MHz
	Rx	156.050–163.275 MHz
	Rx (CH70)	156.525 MHz
	RX (AIS)	162.025 MHz
Usable channel groups		INT, USA, CAN, WX channels
Type of emission		16K0G3E (FM), 16K0G2B (DSC), 16K0GXW (GMSK)
Current drain (at 7.2 V DC)	TX (6 W/1 W output)	1500 mA/700 mA (approx.)
Current drain (at 7.2 V DC)	RX (Inter SP/Exter SP Max. audio)	700 mA/350 mA (approx.)
Operating temperature range		–20°C to +60°C; –4˚F to +140˚F
Antenna impedance		50 Ω
Dimensions (W×H×D) (Projections not included)		60.9 × 145.8 × 43.8 mm; 2.4 × 5.7 × 1.7 in
Weight (approximately)		357 g ; 12.6 oz (With BP-306, antenna, MB-133)

Transmitter

Output power (Hi/Low)		6 W/1 W
Max. frequency deviation		±5 kHz
Frequency stability		±10 ppm
Spurious emissions		–68 dBc typical

Receiver

Sensitivity (at 12 dB SINAD) DSC receiver (at 1% BER) AIS receiver (at 20% PER)		0.25 μV typical –3 dBμ emf typical –107 dBm
Squelch sensitivity (Threshold)		0.25 μV typical
Adjacent channel selectivity DSC receiver (at 1% BER) AIS receiver (at 20% PER)		70 dB typical 73 dBμ emf 50 dB typical
Spurious response DSC receiver (at 1% BER) AIS receiver (at 20% PER)		70 dB typical 73 dBμ emf 50 dB typical
Intermodulation DSC receiver (at 1% BER) AIS receiver (at 20% PER)		70 dB typical 68 dBμ emf 50 dB typical
Hum and noise		40 dB
Audio output power (at 10% distortion)	Internal SP	1500 mW typical (8 Ω load)
Audio output power (at 10% distortion)	External SP	350 mW typical (8 Ω load)

Measurements made in accordance with TIA/EIA-603. All stated specifications are subject to change without notice or obligation.

Applicable U.S. Military Specifications & IP Rating

Standard	MIL-810 G
Standard	Method	Procedure
Low Pressure	500.5	I, II
High Temperature	501.5	I, II
Low Temperature	502.5	I, II
Temperature Shock	503.5	I-C
Solar Radiation	505.5	I
Rain Blowing/Drip	506.5	I, III
Humidity	507.5	II
Salt Fog	509.5	–
Dust Blowing	510.5	I
Immersion	512.5	I
Vibration	514.6	I
Shock	516.6	I, IV

Also meets equivalent MIL-STD-810-C, -D, -E and -F.

Ingress Protection Standards
Water	IPX7 (Waterproof protection)

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

Supplied Accessories

BP-306 battery pack
BC-251 battery charger
AC adapter*
CP-26 cigarette lighter cable
MB-133 belt clip
Antenna
Hand strap

* May differ depending on version

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M73

M73 Features