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SECTION 1
SPECIFICATIONS
D
General
• Frequency coverage : (unit: MHz)
Version TX RX
EUR, KOR 144–146, 430–440 144–146, 430–440
UK 144–146, 430–440 108–174*
1
, 380–479*
2
ITR
144–146, 430–434,
435–438
108–136.995,*
1
144–146,
430–434, 435–438
U.S.A. 144–148, 430–450*
3
108–174*
4
, 380–479*
3
EXP 137–174*
4
, 400–479*
2
108–174*
4
, 380–479*
2
EXP-1 144–148, 430–440 108–174*
4
, 380–479*
2
ALL –
BC Radio (AM): 0.520–1.710 MHz
BC Radio (FM): 76.0–108.0 MHz*
5
*
1
Guaranteed 144–146 MHz only
*
2
Guaranteed 430–440 MHz only
*
3
Guaranteed 440–450 MHz only
*
4
Guaranteed 144–148 MHz only
*
5
88.0–108.0 MHz for the USA version.
The SUB band audio signal may be muted, depending on
the combination of operating band and mode.
• Mode : FM, AM (Rx only), DV
• Number of memory channels
:
554
(incl. 50 scan edges and 4 call channels)
• Number of BC radio memory channels
:
500
• Usable temp. range : –20°C to +60°C; –4°F to +140°F
• Tuning steps :
1, 5, 6.25, 8.33, 9, 10, 12.5, 15, 20,
25, 30, 50, 100, 125 and 200 kHz
* The selectable steps may differ, depending on the selected fre-
quency band or operating mode.
• Frequency stability : ±2.5 ppm
(–20°C to +60°C; –4°F to +140°F)
• Power supply : 10.0–16.0 V DC for external DC
power, or specifi ed Icom’s battery
pack
•
Digital transmission speed
: 4.8 kbps
• Voice coding speed : 2.4 kbps
• Current drain
(at 7.4 V DC) :
TX (at 5 W) Less than 2.5A
RX Max. output FM Less than 350 mA
(Internal speaker)
Less than 200 mA (External speaker)
DV Less than 450 mA (Internal speaker)
Less than 300 mA (External speaker)
• Antenna connector : SMA (50 Ω)
• Dimensions : 58(W)×105.4(H)×26.4(D) mm;
(projections not included) 2.3(W)×4.1(H)×1.0(D) in
• Weight
(approximately) : 255 g; 9 oz
(incl. battery pack and antenna)
D
Transmitter
• Modulation system :
FM Variable reactance frequency
modulation
DV GMSK reactance frequency
modulation
• Output power
(at 7.4 V DC) :
High 5.0 W, Mid. 2.5 W,
Low2 1.0 W, Low1 0.5 W,
S-Low 0.1 W (Typical)
•
Max. frequency deviation
: ±5.0 kHz (FM wide: approx.)
±2.5 kHz (FM narrow: approx.)
• Spurious emissions : Less than –60 dBc at High/Mid.
Less than –13 dBm at Low2/
Low1/S-Low
• Ext. mic. impedance : 2.2 kΩ
D
Receiver
• Receive system : Double-conversion
superheterodyne
• Intermediate frequencies
A Band : 46.35 MHz (1st IF)
: 450 kHz (2nd IF)
B Band : 61.65 MHz (1st IF)
: 450 kHz (2nd IF)
• Sensitivity
(except spurious points)
FM (1 kHz/3.5 kHz Deviation; 12 dB SINAD)
:
Less than –15 dBµ
DV
(PN9/GMSK 4.8 kbps; BER 1%)
:
Less than –11 dBµ
• Audio output power (at 10% distortion)
Internal speaker :
More than 0.4 W with a 16 Ω load
External speaker : More than 0.2 W with a 8 Ω load
• Selectivity
FM
(Wide) : More than 55 dB
FM
(Narrow), DV : More than 50 dB
•
Ext. speaker connector
: 3-conductor 3.5(d) mm; (
1
⁄
8
˝)/8 Ω
• Spurious and image rejection ratio
: More than 60 dB
• Squelch Sensitivity
(threshold, 1 kHz/3.5 kHz Deviation)
: Less than –15 dBµ