*Enhanced MDC adds GPS capabilities for AVL/APL and allows
use of free-form short text messages of up to 48 characters in length.
**Any of these digital version may be upgraded with
AES and/or DES encryption (non-FIPS certified. Optional activations key option must be purchased.
***High Power Upgrade Kit (HPUK) converts the F1721 series
into a 110 watt VHF mobile.
For organizations who run an analog radio system and must migrate to a conventional
P25 digital system, Icom provides one of the best solutions. The new F1721D series
mobile allows you to program P25 digital and/or FM analog mode per channel. Flash
ROM capability means future upgrades and flexible customization, tailored for your
system. Moreover, built-in multiple tone signaling capability and an optional voice
scrambler satisfy existing analog FM system requirements. This new Icom’s
range frequency coverage and rugged construction ensures a flexible, long life radio
for you. Icom is the smart choice for current – and future – public
safety communication needs.
Project 25 (P25) Digital Features
The IC-F1721D, F1821D series is APCO Project 25 (P25) compliant. The mixed mode scan allows you
to detect and receive both analog FM and P25 digital modes.
Mixed mode operation
The IC-F1721D/F1821D is compatible with both analog FM mode and P25 digital mode. Program digital and/or
analog FM modes per channel. The mixed mode scan allows you to detect and receive both analog FM and P25 digital
modes and to transmit either mode depending on programming.
AES/DES digital encryption activation software
AES and DES are encryption standards required by public safety agencies. The IC-F1721D and F1821D series provide
secure encryption with DES and AES accordingly when activated with EX-2785 J02 (for DES) and EX-2785 J03 (for AES)
Upgrade to digital option
The IC-F1721/F1821 series is available in two digital versions. One version is P25 compliant out of the box.
Version two is an analog only radio* that is future upgradeable to P25 digital
compatibility — grow into digital with Icom.
*Optional UT-120 and EX-2785 J01 required.
Detachable front panel
With the optional remote control kit, RMK-2 and separation cable, the front panel
of the radio can be detached from the main unit. It allows you flexible installation
even in limited installation space. Separation cable length is selectable from 1.9,
3.0 and 8.0m.
Dot matrix, multi-function LCD
Using a high contrast LCD, the IC-F1721/F1821 series shows operating channels, tone
and other settings clearly under nearly any lighting conditions. With a dot matrix
display, upper and lower case characters can be easily distinguished. In addition,
you can change the display setting to show one line and 12 characters, or two lines
and 24 characters via programming.
Heavy-duty microphone, HM-148
The new heavy-duty hand microphone, HM-148, uses a dynamic design that is made to
handle punishment. The oversized dimensions allow for easy use with gloves on. And
the curl cord can be easily replaced by simply opening the case–easy maintenance
for long term use.
With heavy-duty construction, the IC-F1721/F1821 series is built to last. The IC-F1721/F2721
series incorporates a 4W speaker in an impact resistant polycarbonate front panel
for crisp clear audio, and the IC-F1821/F2821 series has a backlit 10-keypad for
extended operation. The 10-keypad version is supplied with an external speaker.
Built-in versatile tone signaling
Use the built-in CTCSS, DTCS, 2-Tone, or 5-Tone capability to set up your own talk
groups, and have your radio standby quietly when other groups are talking. You can
also set up selective calls to individuals or control a repeater.
Multiple 2-Tone, Multiple 5-Tone
Encode or decode up to 10 2-Tone, 8 5-Tone codes on a single memory channel. This
is perfect for professionals who require multiple district paging on one channel.
When a matched tone is received, the following items are programmable for each code.
- Bell icon
- Beep sound
- External out
- Answer back
- Auto transmit
MDC 1200 compatible
The following selective calling and ANI features are available with the built-in
- PTT ID/Caller ID
- Radio check
- Selective call
- Call alert
- Emergency, emergency mic monitoring
- Radio stun/revive
- 500 Aliases
- Call log
256 memory channels, 32 zones
Up to 256 memory channels can be divided into 32 memory zones, and allows you quick
access to the intended channel.
Tactical group function
The tactical group function allows you to copy memory channels to the tactical zone
(zone 32) and dynamically 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.
Built-in inversion type voice scrambler
The IC-F1721/F1821 series includes a built-in inversion type voice scrambler in
all models. When a more secure system is required, the optional voice scrambler
unit UT-109 or UT-110 is available.
* These voice scrambler functions are not available in digital
Radio stun/kill and Power-on password function
The radio stun/kill functions disable a lost or stolen radio over the air, eliminating
security threats from undesired listeners. The power-on password prevents unauthorized
people turning on the radio.
Public Address (PA) and RX speaker functions
When an external loud speaker is connected with 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.
- Microphone hanger action programmable (Scan, monitor, priority channel)
- Optional OPC-617 D-SUB 9 pin connector for dimmer control, modem connection
- D-SUB 25 pin connector for future PC connection
- Built-in audio compander (Analog mode only)
- Wide frequency coverage (136–174MHz, 400-470 and 450-512MHz)
- PC programming capability