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ICOM IC-705 HF/50/144/430 MHz All Mode Portable Transceiver


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ICOM IC-705 HF/50/144/430 MHz All Mode Portable Transceiver

A new hybrid radio. Base station radio performance and functions are 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!

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  • HF/50/144/440 MHz Multimode
  • RF Direct Sampling System
  • Real-Time Spectrum Scope and Waterfall Display
  • Large Touch Screen Color Display
  • Touch screen display
  • Compact and Lightweight Design
  • BP-272 Li-ion Battery Pack or 13.8 V DC External Power Supply
  • BP-272 attached (Rear panel view)
  • Maximum Output Power 5 W (BP-272), 10 W (13.8 V DC)
  • WLAN/Bluetooth® Technologies
  • GPS Functions
  • microSD Card Slot
  • Micro USB Connector
  • D-STAR Functions
  • Programmable Speaker Microphone
  • What is D-STAR?
    • The term D-STAR is Digital Smart Technology for Amateur Radio. It is an open protocol for digital communications established by JARL (Japan Amateur Radio League).

General Specification

Frequency coverage (Unit: MHz) Receiver  0.030–199.999* 400.000–470.000*
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.


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 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) 0.25 μV 0.18 μV
DV(1% BER)(PN9) 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 dB 430 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)
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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