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Icom America - 2 way radios

F9511 / F9521

P25 Digital & Analog mobiles VHF/UHF



Frequency coverage

F9511S/T/HT 136–174 MHz
F9521S/T      400-470, 450-512 MHz

Number of channels Max. 512 channels/ 128 zones
Power supply requirement 13.6V DC nominal

Current drain (approx.)

50W Version
Tx High (50W) 11..0A/14.0A (VHF/UHF)
Rx Max. Audio 1000mA
Stand-by 350mA

110W Version
Tx High (110W) 22.0A
Rx Max. Audio 3.0A
Stand-by 400mA
Operating temperature range –30°C to +60°C; –22°F to +140°F
Antenna impedance 50Ω (SO-239)
Dimensions (W×H×D)




1.5kg; 3.3lb
1.5kg; 3.3lb

Rated output power 50W/110W
Channel spacing 15/30 kHz (VHF), 12.5 kHz (UHF) (analog)
12.5 kHz (digital)
Output power 50W, 25W, 5.0W
Max. frequency deviation
Maximum pattern
Minimum pattern
±5.0/2.5 kHz (Wide/Narrow)
±2.85 kHz (Digital)
±0.95 kHz (Digital)
Frequency error ±1.0ppm
Spurious emissions 70dB min.
Adjacent channel power 70/60dB min (wide/Narrow)
67dB min. (Digital)
FM hum and noise 48/45dB typ. (VHF, Wide/Narrow)
48/43dB typ. (UHF, Wide/Narrow)
Audio harmonic distortion 3% typ. (40% deviation)
External microphone impedance 600Ω (8-pin modular)
0.25μV typ. (at 12dB SINAD)
0.25μV typ. (at 5% BER)
Squelch sensitivity 0.25μV typ. (at threshold)
Adjacent Ch. selectivity
Analog (TIA/EIA603B)
81/53dB typ. (VHF, Wide/Narrow)
79/53dB typ. (UHF, Wide/Narrow)
63dB typ.
Spurious  response 85dB min. (VHF)
70dB* min. (UHF)
*85dB min (406. 1-420 MHz)
Intermodulation 78dB typ.
Audio output power
External audio (D-sub)

External audio (D-sub)

1.0W typ. at 10% distortion with a 8Ω load

4W typ.
22W typ.
at 10% distortion with a 4Ω load

Hum and noise ratio 55/51dB typ. (VHF, Wide/Narrow)
30/45dB typ. (UHF, Wide/Narrow)
52dB typ. (Digital)
External speaker connector 2-conductor 3.5 (d) mm (18″)/4Ω

Applicable U.S. Military Specifications

Icom makes rugged products that have been tested to and passed the following MIL-STD requirements and ingress protection standards.

Standard MIL 810 G
Method Proc
Low Pressure 500.5 I, II
High Temperature 501.5 I, II
Low Temperature 502.5 I, II
Temperature Shock 503.5 I
Solar Radiation 505.5 I
Humidity 507.5
Salt fog 509.5
Dust Blowing 510.5 I
Vibration 514.6 I
Shock 516.6 I, IV

Also meets equivalent MIL-STD-810-C, -D, -E and -F

Ingress Protection Standard
Dust & Water IP54* (Dust-protection and water resistant)

* IP54 tests were performed on the controller and RMK-2 only.

Measurements made in accordance with TIA-102 (Digital), TIA-603B (Wide/narrow). All stated specifications are subject to change without notice or obligation.

Supplied accessories

  • F9511S/F9521S
    • Hand microphone, HM-148G
    • DC power cable
    • Microphone hanger
    • Key assign stickers
    • Mounting bracket kit
  • F9511T/F9521T
    • Hand microphone, HM-148G
    • External speaker, SP-35
    • DC power cable
    • Microphone hanger
    • Key assign stickers
    • Mounting bracket kit
  • F9511HT
    • Hand microphone, HM-148G
    • DC power cable
    • Separation cable 16.4ft, OPC-726
    • Microphone hanger
    • Key assign stickers
    • Mounting bracket kit
    • Requires external speaker


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