iDAS Information

Bridging the gap between analog and digital

Five benefits of the IDAS system

  • Offers a flexible migration path from analog to digital
  • Double your channel capacity
  • Improved communication security
  • Improved communication security
  • Flexible application possibilities
  • Improved audio quality

    IDAS is Icom's digital land mobile radio system using NXDNTM common air interface. It has useful calling features including selective calling, status message, radio, stun/kill/revive and GPS position reporting, etc. The IDAS system is ideal for business and industry users who are thinking to migrate to a digital system and hence to future mandated narrow channel spacing.

    mixed mode operation


    Five benefits of the IDAS system

    • Offers a flexible migration path from analog to digital
    • Double your channel capacity
    • Improved communication security
    • Improved communication security
    • Flexible application possibilities
    • Improved audio quality

    Digital/analog mixed mode operation

    The IDAS radio can receive both analog mode and digital mode signals on a single channel. You can partially introduce the IDAS radios, while using the existing analog radios in a system. The IDAS system allows you to scale migration to narrow band digital at your own pace and need, while running your existing analog system. It is a cost efficient way to obtain the next generation two-way radio technology and protect your current system investment.

    double your channel capacity
    Double your channel capacity

    The IDAS system doubles the capacity of the current 12.5kHz channel allocation. Icom allows you to meet any narrow banding requirements today, and provides a solution to any future spectrum deficiency now.

    Peer-to-peer communication with FDMA

    The FDMA enables peer-to-peer communications between subscriber units in narrow band mode. It ensures communication with no reduction in channel capacity, even if a repeater site is not available, or goes down.



    analog vs digital coverageImproved audio quality and distance

    Better sensitivity and a lower noise floor at the narrower bandwidth plus the latest in vocoding technology mean you have crystal clear audio over a greater coverage area than analog FM as the narrower signal travels further at the same output power.

    Network interface

    The IDAS repeater has a network interface* and can be connected to a LAN or the Internet via ethernet cable. Communication range is vastly extended by the Internet connection and eliminates the need for expensive leased lines. When connected to a PC via a LAN or the Internet, you can remotely maintain the repeater configuration from your PC.

    network interfaceDigital Trunking

    The repeater will also have digital trunking capability in the near future. This will allow you further effective channel management by sharing a minimum of channels with a larger number of users.

    Secure communication

    When secure communication is required, the IDAS system provides a digital voice scrambler using a 15-bit key (about 32,000 keys) for encryption as standard. This is added security to the digital modulation/demodulation.

    Selective call, group call and talk group ID

    The IDAS system allows you to call individual or group users. The radio automatically sends its own ID number when holding the PTT button. The IDAS radio memorizes up to 500 of both individual/group ID numbers and alias names in the table. The alias name or individual/group ID is displayed on the LCD while receiving a message allowing you to identify who is calling.

    Emergency call function

    When the emergency button is pushed, the emergency signal will be automatically sent to the dispatcher or another radio. The man down* and the lone worker functions are available for automated emergency calls (in digital and analog modes. The remote radio monitor function allows the dispatcher to turn on the PTT button from a remote location and transmit anything the microphone hears for a preprogrammed time period.
    *Optional UT-124R required.

    Status message

    You can set up to 100 conditions such as "on duty," "at lunch" or "in route" and send your status to another unit or the dispatch. Also, you can request another unit to send their status and receive it.

    GPS position reporting

    When used with the GPS speaker microphone, HM-170GP, for the handheld radio or an external GPS receiver for the mobile radio, the IDAS radio can send the current position information to another unit or the dispatch. Simultaneous status message and GPS data can also be sent. When connected to a PC installed with a mapping software application, the dispatcher will know the real-time activity of the fleet members.

    Data communication

    The IDAS radio allows you 4800bps* data communication. You can send a data message without an external data modem. Future third party data applications will provide further features. *Error correction, control data, etc, will reduce number of bits available for actual data communication.

    Radio stun, kill and revive

    The radio stun and kill functions disable a lost or stolen radio over the air, eliminating security threats from undesired listeners. When the radio receives the stun command, all functions will be locked out until the revive command is received. The radio can also send radio stun, kill and revive commands.

    Ran (Radio Access Number) for digital code squelch

    The RAN code is the digital equivalent of CTCSS for accessing an IDAS repeater or digital code squelch function.


    • Radio check function allows you to verify if another radio is within the communication range
    • Call log displays the received call history
    • Call alert function allows you to send a beep sound instead of a voice call


    Download Brochure

    Adobe Acrobat Reader is required to open the brochure,  it can be downloaded from the following link:


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