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IC-F1721 / F2721

VHF / UHF transceiver

specifications

Specifications

General

Frequency range

IC-F1721/D, F1821/D
IC-F2721/D, F2821/D

 

136–174 MHz

400–470 MHz

450–512 MHz

Number of channels 256 channels/ 32 zones
Channel spacing

12.5/25 kHz,

15/30 kHz

PLL channel step 2.5 kHz, 3.125 kHz (VHF)
5 kHz, 6.25 kHz (UHF)
Antenna impedance 50Ω
Operating Temp. range –30°C to +60°C
–22°F to +140°F
Power supply requirement 13.6V DC nominal

Current drain (approx)

Tx

Rx

 

50W/45W
Max. audio
Stand-by

 

14.0A

1200mA
600mA

Dimensions (W×H×D)

(projections not included)

175×45×170 mm

678 ×12532 ×61116 in

Weight (approx.) 1.5kg; 3.3lb
Transmitter
Output power (approx)

50W (VHF)

45W (UHF)

Max. frequency deviation ±5.0/2.5 kHz (Wide/Narrow)
Frequency error ±2.0ppm
Spurious emissions 75dB typ.
FM Hum and Noise 45/40dB typ. (Wide/Narrow)
Adjacent channel power 70/60dB min. (Wide/Narrow)
Audio harmonic distortion: 3% typ. (40% deviation)
Modulation limiting 70–100% of Max. deviation
Ext. microphone impedance 600Ω (8-pin modular)
Receiver

Sensitivity

Analog (12dB SINAD)

Digital (5% BER)

 

0.25/0.3μV typ. (VHF/UHF)

0.25/0.3μV typ. (VHF/UHF)

Squelch sensitivity

 

 

0.25/0.3μV typ. (VHF/UHF)

73dB typ.

Adjacent channel selectivity

Analog

Digital

 

80/75dB typ. (Wide/Narrow)

73dB typ.

Spurious response 80dB typ.
Intermodulation
Analog
Digital
 
77/75dB typ. (Wide/Narrow)
77dB typ.
Hum and noise ratio
50/45dB typ. (Wide/narrow)
Audio output power
External audio (D-sub)

4W typ.
22W typ.

(at 10% distortion with an 8Ω load)

External speaker connector 2-conductor 3.5 (d) mm (18″)/4Ω

Applicable U.S. Military Specifications

Standard MIL 810 C MIL 810 D MIL 810 E MIL 810 F
Method Proc Method Proc Method Proc Method Proc
Low Pressure 500.1 I 500.2 I, II 500.3 I, II 500.4 I, II
High Temp. 501.1 I 501.2 I, II 501.3 I, II 501.4 I, II
Low Temp. 502.1 I 502.2 I, II 502.3 I, II 502.4 I, II
Temp. Shock 503.1 I 503.2 I 503.3 I 503.4 I
Solar Radiation 505.1 I 505.2 I 505.3 I 505.4 I
Humidity 507.1 I, II 507.2 II, III 507.3 II, III 507.4
Salt Fog 509.1 I 509.2 I 509.3 I 509.4
Dust Blowing 510.1 I 510.2 I 510.3 I 510.4 I
Vibration 514.2 VIII, X 514.3 I 514.4 I 514.5 I
Shock 516.2 I, II, V 516.3 I, IV 516.4 I, IV 516.5 I, IV

Supplied Accessories

  • Hand microphone, HM-148G
  • DC power cable
  • Microphone hanger
  • Mounting bracket kit
  • External speaker, SP-22*
  • Key assign stickers

* For IC-F1821/D, F2821/D only.