IC-F4GT/GS Specifications
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H.M.S. Communications, Inc.

ICOM IC-F4GT/GS* Specifications

GENERAL

  • Frequency range
    • IC-F3GT/GS
      • 136 -150 MHz
      • 146 - 174 MHz
    • IC-F4GT/GS
      • 400 - 430 MHz
      • 440 - 470 MHz
      • 470 - 500 MHz
      • 490 - 512 MHz (USA)
      • 490 - 530 MHz (others)
  • Number of channels: Total 40
  • Type of Emission:
    • 6K0F3E (25 kHz; not available in the U.S.A.)
    • 8K50F3E (12.5 kHz)
    • 14K0F3E (20 kHz; not available in the U.S.A.)
  • Antenna impedance: 50 Ohms
  • Frequency error:
    • 0.0005% (EIA; IC-F3GT)
    • 0.00025% (EIA; IC-F4GT)
    • 1.5 kHz (ETS; 12.5kHz)
    • 2 kHz (ETS; 25/20 kHz)
  • PLL channel step: 5 kHz, 6.25 kHz, 7.5 kHz
  • Power supply requirement: 7.2 V DC (Icom battery pack)
  • Current drain (at 7.2 V DC)
    • Transmit:
      • at 5 W 1.6 A (IC-F3GT/GS)
      • at 4 W 1.5 A (IC-F4GT/GS)
      • at 1 W 0.7 A (IC-F3GT/GS), 0.8 A (IC-F4GT/GS)
    • Receive:
      • at AF max.  250 mA
      • at stand-by 70mA
  • Operating temperature range:
    • -30C to +60C; -22F to +140F (EIA)
    • -25C to +55C (ETS)
  • Dimensions (projections not included):
    • 54(W) x 132(H) x 35(D) mm
    • 2-1/8(W) x 5-3/16(H) x 1-7/16 (D) in
  • Weight (with BP-209): 370 g; 13.1 oz

TRANSMITTER

  • Modulation System: Variable reactance frequency modulation
  • Output power: (at 9.6 V DC)
    • IC-F3GT/GS 5.0 W
    • IC-F4GS/GT 4.0 W
  • Max. frequency deviation: 2.5 kHz, 5 kHz, 4 kHz
  • Modulation limiting: 80-100%
  • Audio harmonic distortion
    • 3% max. (1 kHz/40% dev.)
    • 5% max. (1 kHz/60% dev.)
  • Spurious emissions:
    • 73 dBc (EIA)
    • Less than 0.25 W (ETS)
  • Adjacent channel power:
    • 60 dB (EIA)
    • 60 dB (ETS; 12.5 kHz)
    • 70 dB (ETS; 25/20 kHz)
  • Residual modulation:
    • 40 dB (EIA)
    • 43 dB (ETS; 12.5 kHz)
    • 45 dB (ETS; 25/20 kHz)
  • External mic. connector:
    • 3-conductor 2.5 (d) mm (1/10")
    • 2.2 k Ohms

RECEIVER 

  • Intermediate frequency
    • 1st 31.05 MHz(IC-F3GT/GS)
      46.35 MHz (IC-F4GT/GS)
    • 2nd 450 kHz
  • Sensitivity
    • IC-F3GT/GS 0.25 V (at 12 dB SINAD)
    • 0.63 V (at 20 dB SINAD)
    • IC-F4GT/GS 0.30 V (at 12 dB SINAD)
    • 0.79 V (at 20 dB SINAD)
  • Squelch sensitivity (at threshold)
    • IC-F3GT/GS 0.25 V
    • IC-F4GT/GS 0.30 V
  • Adjacent channel selectivity:
    • 65 dB (EIA)
    • 60 dB (ETS; 12.5 kHz)
    • 70 dB (ETS; 25/20 kHz)
  • Spurious response rejection:
    • 70 dB (EIA)
    • 70 dB (ETS)
  • Intermodulation rejection:
    • 70 dB (EIA)
    • 65 dB (ETS)
  • Hum and noise ratio:
    • 40 dB (EIA)
    • 43 dB (ETS; 12.5 kHz)
    • 45 dB (ETS; 25/20 kHz)
  • Audio output power: 0.5 W at 5% distortion with an 8 Ohm load
  • External speaker connector: 2-conductor 3.5 (d) mm (1/8")/8 Ohm

Measurements made in accordance with EIA/TIA-152-C, 204D, 603 or ETS-300-086 or CEPT T/R 24.

OPTIONS

  • BC-119 DESKTOP CHARGER + AD-94 CHARGER ADAPTER For rapid charging of battery packs, BP-209 or BP-210. An AC adapter is supplied with the charger. Charging time: 1.5 to 2 hrs.
  • BC-121 MULTI-CHARGER + AD-94 CHARGER ADAPTER + BC124 AC ADAPTER For rapid charging up to 6 battery packs simultaneously, BP-209 or BP-210. Six AD-94's are necessary. The BC-124 outputs 12 V DC and has 7 A capacity for the BC-121. Charging time: 1.5 to 2 hrs.
  • BC-137 BATTERY CHARGER Regularly charges a battery pack, BP-209 or BP-210, with/without transceiver. The AC adapter, BC-122 is additionally required.
  • BP-208 BATTERY CASE Battery case for AA(R6) x 6 batteries.
  • BP-209 BATTERY PACKS Ni-Cd, 7.2 V/1100 mAh
  • BP-210 BATTERY PACKS Ni-Mh, 7.2 V/1650 mAh
  • HM-46L SPEAKER-MICROPHONE Slim dimensions. Equipped with an earphone jack and a transmit indicator.
  • HM-75A SPEAKER-MICROPHONE Allows you to remotely select operating channels, etc.
  • HS-51 HEADSET For hands-free operation. Includes VOX, PTT and "one-touch" PTT with a time-out timer.
  • MB-68 BELT CLIP Allows you to attach the transceiver to your belt. The same as that supplied with the transceiver.
  • SP-13 EARPHONE Provides clear audio in noisy environments.
  • UT-96 5-TONE UNIT Provides either the 2/5-tone encode/decode and ANI capabilities.
  • UT-105 SmarTrunk II Provides SmarTrunk II capabilities. SmarTrunk is a trademark of SmarTrunk System Inc.
  • UT-108 DTMF DECODER Provides DTMF decode and ANI capabilities.
  • UT-109 Voice Scrambler Unit Provides operating security. Up to 32 scrambling codes are available. The scrambling system is not compatible with the UT-110, therefore cannot operate with the scrambled signals by UT-110.
  • UT-110 Voice Scrambler Unit Provides higher operating security. Up to 1020 (255 codes x 4 groups) scrambling codes are available. The scrambling system is not compatible with the UT-109, therefore cannot operate with the scrambled signals by UT-109.
  • UT-111 Trunking Unit Provides LTR trunking capabilites.
  • UT-113 Allows man down function.

*Note: certain versions of this radio are still pending FCC approval. Not all versions of this radio may be sold or leased until approval of the FCC has been obtained. Please check with your authorized ICOM dealer for details.

The ICOM logo is a registered trademark of ICOM, Inc. All ICOM radios significantly exceed FCC regulations limiting spurious emissions. All stated specifications are subject to change without notice or obligation.

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Last modified: May 15, 2006