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IC-703 Plus

HF/50MHz All Mode Transceiver

specifications

Specifications

General
Frequency range
Receive
Transmit

 
0.030- 60.000 MHz
1.800- 1.999 MHz

3.500- 3.999 MHz
7.000- 7.300 MHz
10.100- 10.150 MHz
14.000- 14.350 MHz
18.068- 18.168 MHz
21.000- 21.450 MHz
24.890- 24.990 MHz
28.000- 29.700 MHz
50.000- 54.000 MHz

Mode USB, LSB, CW, RTTY, AM, FM
No. of memory channels 105 (99 regular, 6 scan edges)
Antenna Impedance 50Ω (SO-239)
Power Supply 9-15.8V DC
Operating Temperatures -10°C to +60°C; +14°F to +140°F
Frequency stability Less than ±0.5ppm (+0°C to +50°C)
Less than ± 2.5ppm (-10°C to +60°C)
Current drain
  at 13.8V at 9.6V
Output Power SSB/CW/RTTY/FM 0.1-10W 0.1-5W
AM 0.1-4W 0.1-2W
Transmit High (typical) 3.0A
(at 10W)
2.0A
(at 5W)
Receive Max. Audio 1.2A 450mA typ.
Stand-By - 300mA typ.
Dimensions
(proj. not incl.)
167 × 58 × 200 mm;
69/16(W) × 29/32(H) × 77/8(D) in
Weight (approx.) 2 kg; 4.4 lbs
CI-V connector 2-conductor 3.5 (d) mm (1/8")
Transmitter
Modulation System
  SSB
  AM
  FM
 
Balanced modulation
Low level modulation
Variable reactance modulation
Spurious emissions Less than -50dB (Below 30 MHz)
Less than -60dB (Above 50 MHz)
Carrier Suppression More than 40dB
Unwanted sideband suppression More than 50dB
Microphone Connector 8-pin modular jack (600Ω)
CW Key Connector 3-conductor 6.35 (d) mm (1/4")
Receiver
Receiver system Double conversion superheterodyne
Intermediate frequencies 1st
2nd
 
64.455
0.455 MHz
Sensitivity
  SSB / CW / RTTY
(at 10dB S/N)
AM
(at 10dB S/N)
FM
(12dB SINAD)
0.5-1.8 MHz - 13µV -
1.8-28 MHz 0.16µV* 2µV* -
28-29.7 MHz 0.5µV*
50 MHz band 0.13µV* 1µV* 0.25µV*
* Pre-amp on
Squelch sensitivity
  SSB
  FM
(threshold; pre-amp on) 
5.6µV typ.
0.32V typ.
Selectivity
  SSB, CW (2.4kHz)

  AM/FM-N (6kHz)

  FM (15kHz)
 
More than 2.4 kHz/-6dB
Less than 4.0 kHz/-60dB
More than 9.0 kHz/-6dB
Less than 20 kHz/-50dB
More than 15 kHz/-6dB
Less than 30 kHz/-50dB
Spurious Image Rejection
  HF bands
  50MHz
 
More than 70dB
More than 65dB (except IF point)
Audio Output Power
(8Ω load, 10% distortion)
More than 1.0W (at 13.8V DC)
More than 0.5W (at 9.6V DC)
RIT Variable Range ±9.99kHz
PHONES Connector 3-conductor 3.5 (d) mm (1/8")
External SP Connector 2-conductor 3.5 (d) mm (1/8")/8Ω

Applicable U.S. Military Specifications

Standard MIL 801 C MIL 810 D MIL 810 E MIL 810 F
Method Proc. Method Proc. Method Proc. Method Proc.
Low Pressure 500.1 I 500.2 I, II 500.3 I, II 500.4 I, II
High Temp. 501.1 I 501.2 I, II 501.3 I, II 501.4 I, II
Low Temp. 502.1 I 502.2 I, II 502.3 I, II 502.4-3 I, II
Temp. Shock 503.1 I 503.2 I 503.3 I 503.4 I
Solar Radiation 505.1 I 505.2 I 505.3 I 505.4 I
Rain 506.1 I 506.2 I 506.3 I 506.4 I
Salt Fog 509.1 I 509.2 I 509.3 I 509.4 -
Dust 510.1 I 510.2 I 510.3 I 510.4 I
Vibration 514.2 VIII, X 514.3 I 514.4 I 514.5 I
Shock 516.2 I, II, V 516.3 I, IV 516.4 I, IV 516.5 I, IV

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

Supplied Accessories

  • Hand microphone
  • DC power cable
  • Spare fuses
  • Key plugs
  • ACC cable
  • Antenna is not supplied from Icom