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SECTION 1. SPECIFICATIONS
M
IC-M24
D
GENERAL
• Frequency coverage
: Transmitting 156.025–157.425
MHz
Receiving 156.050–163.275
MHz
•
Mode
:
FM
(16K0G3E)
• Antenna impedance
: 50
Ω
(nominal)
• Power supply requirement
: BP-266 only (3.7 V DC nominal; negative ground)
• Current drain (approximately) : TX (5 W/1.0 W)
2.3 A/0.9 A
Max. audio
0.35 A typical
Power save
8 mA typical
• Frequency stability
: ±10 ppm
• Operating temperature range : –20°C to +60°C; –4°F to +140°F
• Dimensions
:
58.5
(W)
×
128.5(H)
×
34.5(D) mm
(projections not included)
2.3
(W)
×
5.6
(H)
×
1.3
(D) inch
• Weight
: Approximately 260 g; 9.2 oz
(including battery pack, antenna and belt clip)
D
TRANSMITTER
• Output power
: 5 W (approximately; High) and 1 W (Low)
• Modulation system
: Variable reactance frequency modulation
• Maximum frequency deviation : ±5 kHz
• Adjacent channel power
: 70 dB
• Spurious emissions
: –68 dBc typical
• Residual modulation
: 40 dB
• Audio frequency response
: +1 dB to –3 dB of 6 dB oct. from 300–3000 Hz
D
RECEIVER
•
Receive
system
:
Double-conversion superheterodyne
• Intermediate frequency
: 1st 21.7 MHz, 2nd 450 kHz
• Sensitivity (12 dB SINAD)
: 0.25 µV typical
• Squelch sensitivity
: 0.35 µV typical (at threshold)
• Intermodulation
: 70 dB typical
• Spurious response
: 70 dB typical
• Adjacent channel selectivity
: 70 dB typical
• Audio output impedance
: 8
Ω
• Audio output power
: 0.6 W typical (at 10% distortion)
All stated specifi cations are subject to change without notice or obligation.
M
IC-M23
D
GENERAL
• Frequency coverage
: Transmitting 156.000–161.450 MHz
Receiving
156.000–163.425 MHz
•
Mode
:
FM
(16K0G3E)
• Antenna impedance
: 50
Ω
(nominal)
• Power supply requirement
: BP-266 only (3.7 V DC nominal; negative ground)
• Current drain (approximately) : TX (5 W/1.0 W/0.5 W)
2.3 A/0.9 A/0.7 A
Maximum audio
0.35 A typical
Power save
8 mA typical
• Frequency stability
: ±1.5 kHz
• Operating temperature range : –15°C to +55°C
• Dimensions
:
58.5 (W)
×
128.5(H)
×
34.5(D) mm
(Projections not included)
• Weight
:
Approximately 260 g
(including battery pack, antenna, belt clip)
D
TRANSMITTER
•
Output
power
:
5 W (approx.; High)/1 W (Low)/0.5 W (E_Low)*
*
1 W (High) and 0.5 W (Low) for German
version, depending on the pre-programmed
setting
• Modulation system
: Variable reactance frequency modulation
• Maximum frequency deviation : ±5 kHz
• Adjacent channel power
: 70 dB
• Spurious emissions
: 0.25 µW
• Audio harmonic distortion
: 10% (at 60% deviation)
• Residual modulation
: 40 dB
• Audio frequency response
: +1 dB to –3 dB of 6 dB oct. from 300–3000 Hz
D
RECEIVER
•
Receive
system
:
Double-conversion superheterodyne
• Intermediate frequency
: 1st 21.7 MHz, 2nd 450 kHz
• Sensitivity (20 dB SINAD)
: –4 dBµ emf typical
• Squelch sensitivity
: –5 dBµ emf typical (at threshold)
•
Intermodulation
:
68
dB
• Hum and noise
: 40 dB
• Audio frequency response
: +1 dB to –3 dB of –6 dB oct. from 300–3000 Hz
• Spurious response
: 70 dB
• Adjacent channel selectivity
: 70 dB
• Audio output power (8
Ω
)
: 0.2 W (at 1 kHz, 10% distortion)