SPECIFICATIONS
GENERAL
IC-M73 IC-M73EURO
IC-M73EURO
(AUS version)
• Frequency coverage TX
156.025–157.425 MHz 156.000–161.450 MHz 156.025–157.425 MHz
RX 156.050–163.275 MHz 156.000–163.425 MHz 156.300–162.025 MHz
• Type of emission 16K0G3E
• Antenna impedance 50
Ω
(nominal)
• Operating temperature range
–20°C to +60°C
(–4°F to +140°F)
–15°C to +55°C –10°C to +55°C
• Power supply requirement 7.4 V DC nominal (negative ground)
• Current drain
(approximately)
RX
0.25 A (at maximum audio, using external 8
Ω
speaker)
0.45 A (at maximum audio, using internal speaker)
TX
6.0 W 1.5 A –
5.0 W – 1.4 A
3.0 W 1.2 A
1.0 W 0.7 A
0.5 W – 0.6 A –
• Dimensions (projections not included) 52.5(W) × 125(H) × 30(D) mm; 2.0(W) × 4.9(H) × 1.2(D) inches
• Weight (approximately) 280 g; 9.9 oz (Including only BP-245N)
320 g; 11.3 oz (Including BP-245N, FA-S64V and MB-103)
TRANSMITTER
• Output power High 6 W 6 W (1 W for [FRG]) 5 W
Middle
3 W
Low 1 W 1 W (0.5 W for [FRG]) 1 W
• Modulation Variable reactance frequency modulation
• Maximum frequency deviation
±5 kHz
• Frequency error
±10 ppm ±1.5 kHz ±10 ppm
• Spurious emissions
–68 dBc (typical) 0.25 µW
• Adjacent channel power
70 dB
• Audio harmonic distortion
10% (at 60% deviation)
• FM hum and noise 40 dB
• Audio frequency response +1 dB to –3 dB of 6 dB octave from 300 Hz to 3000 Hz
• Microphone impedance 2 k
Ω
RECEIVER
• Intermediate frequency 1st 21.7 MHz 2nd 450 kHz
• Sensitivity –13 dBµ (0.22 µV)
(at 12 dB SINAD) typical
–4 dBµ emf (at 20 dB SINAD)
typical
–5 dBµ emf (at 20 dB
SINAD) typical
• Squelch sensitivity (at threshold) –9 dBµ (0.35 µV) typical –5 dBµ emf typical –6 dBµ emf typical
• Adjacent channel selectivity 70 dB typical 70 dB 65 dB
• Spurious response 70 dB typical 70 dB 65 dB
• Intermodulation rejection ratio 70 dB typical 68 dB 65 dB
• Hum and Noise 40 dB
• Audio frequency response +1 dB to –3 dB of –6 dB octave from 300 Hz to 3000 Hz
• Audio output power
(at 10% distortion with an 8
Ω
load)
0.35 W typical (External) 0.2 W (External)
0.7 W typical (Internal) 0.7 W typical (Internal) at 1 kHz
• Output impedance (audio) 8
Ω
All stated specifications are subject to change without notice or obligation.
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