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ICOM IC-705

Amateur radio transceiver From Wikipedia, the free encyclopedia

ICOM IC-705

The ICOM IC-705 is a multimode HF/VHF/UHF portable amateur radio transceiver. The radio has 5 watts of output when using its internal battery and 10 watts of output when using external power.[1] With the rise in award programs such as Summits on the Air, and Parks on the Air this lightweight fully functional radio is a popular choice for people using them in the field.[2][1] The IC-705 has support for a wide variety of commonly used amateur radio modes including ICOM's proprietary digital voice mode D-STAR.[3] The IC-705 is also one of the first mainstream amateur radios to use SDR technology instead of the older superheterodyne design.[4] Additionally the IC-705 has multiple extra features that are useful when operating in the field. Supporting the radio's D-STAR module is a GPS receiver to allow users to send their location though the D-STAR network as well as help locate nearby repeater systems.[2] In addition to the GPS receiver the radio supports 2.4 GHz Wi-Fi which allows users to connect their computers or tablets to the IC-705 for running digital data modes such as PSK31, Winlink, and FT8.[5][6] The radio has been praised for its size, easy to use menus, large easy to read screen and the quality of its build.[1][7] Common criticisms of the radio include its lack of a built in antenna tuner and its price compared to other more powerful radios on the market.[8][9]

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An ICOM IC-705 Radio Tuned to the 40-meter band

Specifications

Specifications of the ICOM IC-705:[10]

  • Frequency Range: Tx: 1.8 – 450 MHz (Amateur Bands Only) Rx: 30 kHz – 199.999 MHz and 400-470 MHz
  • Modes of Emission: A1A (CW), A3E (AM), J3E (LSB, USB), F3E (FM)
  • Impedance: BNC connector 50 Ohms, unbalanced
  • Supply Voltage: 7.4 VDC Internal or 13.8 VDC External
  • Current Consumption: 7.4 VDC Rx: 0.8 A Tx: 2.5 A | 13.8 VDC Rx: 0.5 A Tx: 3 A
  • Case Size (WxHxD): 200×83.5×82 mm; 7.9×3.3×3.2 in
  • Weight (Approx.): 1.1 kg; 2.4 lb
  • Output Power: 5W Internal Battery 10W External Power Source
  • Transmitter Modulation
    • SSB : Digital PSN modulation
    • AM : Digital low power modulation
    • FM : Digital phase modulation
    • DV : GMSK digital phase modulation
  • Receiver System
    • 0.030 to 24.999 MHz RF Direct Sampling
    • 25.000 MHz and above Down Conversion IF Sampling

External links

References

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