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D-STAR (Digital Radios)

HF/50/144/440 MHz MULTIMODE PORTABLE TRANSCEIVER

IC-705 (D-STAR)

“Base Station” performance and features in the palm of your hand.

Be Active: Designed for Field Operations

A new hybrid radio. Base station radio performance and functions packaged in a compact and lightweight, portable size. Whether you are taking your hobby to a SOTA, POTA, or some other “On the Air” location, the IC-705 will be your go-to rig!

Specification

General

Frequency coverage (Unit: MHz)

Receiver

 

0.030–199.999*400.000–470.000*

 

Transmitter

Transmitter

1.800–1.999

3.500–3.999

5.255–5.405*

7.000–7.300

10.100–10.150

14.000–14.350

18.068–18.168

21.000–21.450

24.890–24.990

28.000–29.700

50.000–54.000

144.000–148.000

430.000–450.000

 

Mode

USB, LSB, CW, RTTY, AM, DV, FM, WFM (Rx only)

 
 

No. of memory channels

Memory channels: 500 channels (100 groups)

Scan edges: 25 channels

Call channels: 4 channels (2 channels × 2 bands)  

 
 

Antenna connector

BNC connector (50Ω)(One connector for all bands)

 
 

Power supply requirement

13.8 V DC ±15% (with external power supply)

7.4 V DC (with BP-272)

 
 

Operating temp. range

–10°C to +60°C; +14°F to +140°F

 
 

Frequency stability

Less than ± 0.5 ppm

(–10°C to +60°C; 14°F to 140°F)

 
 

Frequency resolution

1 Hz

 
 

Current drain 

 

13.8 V DC

7.4 V DC

 

TX (Max. power)

Less than 3 A (10 W)

Less than 2.5 A (5 W)

 

RX (Max. audio)

0.5 A (typical)

0.8 A (typical)

 

RX (Standby)

0.3 A (typical)

0.5 A (typical)

Dimensions

200×83.5×82 mm; 7.9×3.3×3.2 in (W×H×D, projections not included)

 
 

Weight

1.1 kg; 2.4 lb (approximate; including BP-272)

 
 

* Some frequency bands are not guaranteed.

Transmitter

Output power

 

13.8 V DC

7.4 V DC 

 

SSB/CW/RTTY/FM/DV

0.1 to 10 W

0.1 to 5 W

 

AM

0.025 to 2.5 W

0.025 to 1.25 W

Modulation system

SSB

Digital PSN modulation

 
 

AM

Digital low power modulation

 
 

FM

Digital reactance modulation

 
 

DV

Digital GMSK modulation

 

Spurious emissions

Less than −50 dB (HF)

Less than −60 dB (50 MHz)

Less than −60 dB (144/430 MHz)

 
 

Carrier suppression

More than 50 dB

 
 

Unwanted sideband

More than 50 dB

 
 

Receiver

Receiver system

0.030 to 24.999 MHz

RF Direct Sampling         

 
 
 
 

25.000 MHz and above

Down Conversion IF Sampling

 
 
 

Intermediate frequencies

25.000 MHz and above:38.85 MHz±0.5 MHz

 
 
 
 

Sensitivity

(HF: Preamp-1 ON,

50 MHz: Preamp-2 ON,

144/430/440 MHz: Preamp ON)

 

0.500 to 1.799 MHz

1.800 to 29.999 MHz

50 MHz to 54 MHz

144/430/440 MHz

 

SSB/CW(10 dB S/N)

0.20 μV

0.15 μV

0.11 μV

 

AM(10dB S/N)

13.0 μV

2.0 μV

1.0 μV

1.0 μV

 

FM(12 dB SINAD)

0.5 μV (28.000 to 29.700 MHz)

0.5 μV (28.000 to 29.700 MHz)

0.25 μV

0.18 μV

 

DV(1% BER)(PN9)

1.0 μV (28.000 to 29.700 MHz)

1.0 μV (28.000 to 29.700 MHz)

0.63 μV

0.35 μV

Selectivity (Filter: SHARP)

SSB(BW=2.4 kHz)

More than 2.4 kHz/-6 dB

Less than 3.4 kHz/-40 dB

 
 
 
 

CW(BW=500 Hz)

More than 500 Hz/-6 dB

Less than 700 Hz/-40 dB

 
 
 
 

RTTY(BW=500 Hz)

More than 500 Hz/-6 dB

Less than 800 Hz/-40 dB

 
 
 
 

AM(BW=6 kHz)

More than 6.0 kHz/-6 dB

Less than 10 kHz/-40 dB

 
 
 
 

FM(BW=15 kHz)

More than 12.0 kHz/-6 dB

Less than 22 kHz/-40 dB

 
 
 
 

DV(12.5 kHz spacing)

Less than -50 dB

 
 
 

Spurious and image rejection ratio 

(SSB/CW/AM/FM)

HF: More than 70 dB*(except for ADC aliasing)50 MHz: More than 70 dB*144 MHz: More than 65 dB430 MHz: More than 54 dB* At Intermediate frequency in 25–30 MHz or 50–54 MHz: More than 50 dB

 
 
 
 

Audio output power

Internal SP

More than 530 mW (12 Ωload at 10% distortion)

 
 
 
 

External SP

More than 200 mW (8 Ωload at 10% distortion)

 
 
 

Applicable U.S. Military Specifications

Icom makes rugged products that have been tested to and passed the following MIL-STD requirements and strict environmental standards.

Standard

 

 

MIL-810 G

MIL-810 G

 

Method

Procedure

High Temperature

501.5

I, II

Low Temperature

502.5

I, II

Vibration

514.6

I

Also meets equivalent MIL-STD-810-C, -D -E and -F.All stated specifications are subject to change without notice or obligation.

Supplied Accessories

  • HM-243 Speaker-microphone

  • BP-272 Battery pack

  • OPC-2421 DC power cable

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