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F9521S UHF P25 Digital Mobile Radio


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Price Includes:

  • Radio (400-470 or 450-512 MHz) P25 Digital
  • Mounting Bracket
  • HM-148G Self Grounding Microphone
  • 10ft DC Power Cable
  • Microphone Hanger
  • Misc Hardware (Screws, etc)
  • 3 Year Factory Warranty
  • Note: You will need an antenna that's made for the frequency that you need to transmit on. Also, your antenna mount cable will need to be terminated with a PL-259 (UHF Male) type connector for this Radio.

Featured For the First Responder

*FIPS Encryption is a requirement for many federal agencies.
**Any of the radios on the chart above may be upgraded to FIPS 140-2 by adding the
 UT-125FIPS module

*The FIPS logo is a Certification Mark of NIST, which does not imply product
endorsement by NIST, which retains exclusive rights to their use.

P25 Conventional and Trunking Features

Get ready for P25 conventional, P25 trunking and analog conventional all in one radio with the F9521S!

  • P25 UHF and VHF conventional and trunking
    The F9521S has P25 conventional and trunking capabilities as standard. You can configure the radio into P25 conventional and trunking systems as well as an analog conventional system.
  • Interoperability
    The F9521S conforms to the standard specifications for TIA/EIA TSB-102, CAAB, Digital C4FM Transceiver Performance Recommendations and provides interoperability with other brand P25 equipment for public safety applications.
  • Digital/Analog mixed mode operations
    The mixed mode operation allows you to detect and receive both analog FM and P25 digital modes and to transmit either mode depending on programming.
  • Individual ID and talkgroup ID
    The F9521S  has 100 individual ID and 250 talkgroup ID memories. Use the display to visually select the person or group you're going to call.
  • Optional AES/DES encryption
    The F9521S provides AES and/or DES encryption for secure conversation with the optional UT-125 AES/DES encryption unit or UT-128 DES encryption unit. Versions certified to FIPS 140-2 Level 1 for AES encryption are planned for future release
  • OTAR (Over-the-Air-Rekeying)
    The F9521S supports P25 OTAR for changing encryption keys over the air.
  • Enhanced Vocoder ready
    Using the DVSI's AMBE+2™ vocoder, the F9521S is enhanced vocoder ready. 

Detachable controller (front panel)

With the optional remote control kit, RMK-2 and separation cable, the front panel controller of the readio can be detached from the main unit. It allows flexible installation in limited vehicle space. Separation cable length is selectable from 1.9m (6.2ft), 3m (9.8ft) and 8m  (26ft).

Dot matrix, multi-function LCD

With a high contrast dot matrix display, upper and lower case characters can be easily distinguished. The display shows 12 characters by 2 lines. LCD backlight is standard.

IP54 dust-protection and splash resistance (controller only)

The rugged front controller panel is resistant to shock and vibration. When used with the optional separation kit, RMK-2, the controller head has dust-protection and splash resistance, equivalent to IP54

Built-in CTCSS and DTCS signaling

Use the built-in CTCSS and DTCS encoder and decoder capabilities* to set up your own talk groups, and have your radio stand-by quietly when other groups are talking. You can also set up selective calls to individuals or control a repeater.
*Analog mode only.

512 memory channels, 128 zones

Up to 512 memory channels can be divided into 128 memory zones, allowing you flexible channel and communication group management.

Tactical group function

The tactical group function allows you to copy memory channels to the tactical zone and temporarily regroup memory channels. Using the optional zone copy cable, memory channels in the tactical zone can be transferred from a master radio to other radios.

Abundant scanning functions

The dual priority scan monitors two primary channels alternately, while scanning other channels. The mode dependent scan function automatically changes the scan list according to the operating channel setting. The talk back function with timer beep, TX channel and cancel channel settings allow you to preset the transmission channel when you push the PTT button during a scanning operation or cancel the scanning.

22W amp for public address(PA) and RX speaker function

The F9521S has a built-in 22W BTL audio amplifier. When an external loud speaker is connected to the radio, you can speak through the radio's microphone. The RX speaker function allows you to relay the received audio over the loud speaker.

Programmable accessory connector

The F9521S has a D-SUB 25-pin ACC connector for connecting external devices. It has reserved pins for programming to input operating channels, turn on/off functions and output received audio or honk a horn, etc. In addition, an ignition sensing line allows you to control the radio power from the engine ignition switch.

Radio stun/kill and power-on password function

The radio stun/kill function* disables a lost or stolen radio over the are, eliminating security threats from undesired listeners. The power-on password prevents unauthorized people from turning on the radio.
*P25 digital mode only.

Additional Features

  • Wide frequency coverage (136 - 174 MHz)
  • FM wide/narrow channel spacing*
  • Built-in audio compander*
  • Built-in inversion type voice scrambler*
  • Heavy duty microphone, HM-148
  • NTIA VHF specification complaint
  • Talk around function
  • DTMF autodial*
  • Microphone hanger action (On hook scan and off hook monitor)
  • 2-Tone encoder and decoder*" and MDC 1200 compatible*


  • Model: F9521S 41
  • Manufactured by: ICOM