ICOM IC-905

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The ICOM IC-905 is a multimode VHF/UHF/SHF portable amateur radio transceiver. The radio has between 10 and 0.5 watts of transmitter output depending on the frequency selected.[1] The radio was announced by ICOM on 22 August 2022 at the Tokyo Ham Radio Fair in Japan.[2] The IC-905 has support for a wide variety of commonly used amateur radio modes including the Japan Amateur Radio League's digital voice mode DSTAR.[3] The form factor of the control head for the IC-905 is similar to that of the IC-705 and includes its large screen and spectrum scope.[3][4] With the radio unit being remotely controlled from a distance in order to reduce loss over long coax cable runs. This is an important adaptation for this radio system as losses increase with the frequency being used.[5] The IC-905 uses a built in GPS receiver to stabilize its frequency and time base.[6] It has been noted that the IC-905 has a wide range of frequencies but lacks the 222MHz and 902MHz amateur bands as these are only available in North America and not Japan.[4] The unit supports up to four external antennas (one being for GPS reception) and has built in support for wired Ethernet, USB Type C and an SD card reader.[7] The addition of a USB connector allows users to connect their computers to the IC-905 for running digital data modes such as PSK31, or FT8, the integration of Ethernet support will be a useful feature for mobile contesters.[7]

Specifications[edit]

Specifications of the ICOM IC-905:[1]

  • Frequency range: transmit: 144 – 5,600 MHz (amateur bands only)
  • Modes of emission: A1A (CW), A3E (AM), J3E (LSB, USB), F3E (FM),
  • Output connectors: N connector 144–1,300 MHz; SMA 2.4 and 5.6 GHz
  • Supply voltage: 13.8 VDC external
  • Output power: 10 watts 144–1,300 MHz; 2 watts 2.4 & 5.6 GHz; 500 milliwatts 10 GHz

References[edit]

  1. ^ a b "Icom IC-905 VHF/UHF/SHF Transceiver Announced at Tokyo Hamfair 2022 – News – Icom UK". icomuk.co.uk. Retrieved 23 August 2022.
  2. ^ "New ICOM IC-905 VHF/UHF/uW transceiver | Southgate Amateur Radio News". www.southgatearc.org. Retrieved 23 August 2022.
  3. ^ a b DXZone (20 August 2022). "Introducing IC-905 first VHF/UHF/SHF Transceiver". The DXZone. Retrieved 23 August 2022.
  4. ^ a b NEW Radio! ICOM IC-905 Announcement Live React With Ray Novak, retrieved 23 August 2022
  5. ^ See http://www2.rfsworld.com/RFS_Edition4/pdfs/TechInfo_Edition4_639-672.pdf Archived 12 July 2018 at the Wayback Machine, p. 644
  6. ^ "icom IC-905 VHF UHF SHF 무전기 새로운 점과 특징". IT블로거 도여니 (in Korean). 21 August 2022. Retrieved 23 August 2022.
  7. ^ a b McColm, Andrew (21 August 2022). "The new IC-905 VHF to 10 GHz amateur radio". VK3FS. Retrieved 23 August 2022.
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