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IC-F121S / F221S

VHF / UHF transceiver

specifications

Specifications

General

Frequency coverage

IC-F121S
IC-F221S

 
136 - 174 MHz
440 - 490 MHz
Number of Channels 8 channels (4 channels × 2 banks)
Channel spacing 12.5/25 kHz, 15/30 kHz
PLL channel step
VHF
UHF
 
2.5, 3.125 kHz
5, 6.25 kHz
Frequency stability
VHF
UHF

 
±5.0ppm
±2.5ppm

Operating temp. range -30°C to +60°C
-22°F to +140°F
Power supply voltage 13.6V DC

Current drain (approx.)

Tx 50w (VHF) 14A
  45w (UHF) 13A
Tx Max. Audio 1200mA
  Standby 300mA
Antenna impedance 50Ω (SO-239)
Dimensions (W—H—D) 150 × 40 × 167.5 mm
529/32 × 19/16 × 619/32 in
Weight 1.1kg; 2.4lb
Transmitter
Output power (at 13.6V DC)
VHF
UHF
 
50W
45W
Max. freq. deviation ±5.0/2.5kHz (wide/narrow)
Spurious emissions 70dB typ
Adjacent Ch. power 70/60dB (wide/narrow)
Mic.impedance 600Ω (8-pin modular)
Receiver
Sensitivity 0.25µV typ. (at 12dB SINAD)
Squelch sensitivity 0.25µV typ.
Adjacent Ch.selectivity 75/65dB typ. (wide/narrow)
Spurious response 75dB
Intermodulation 75dB typ.
Audio output power 4W typ. at 10% distortion with a 4Ω load
Ext. SP connector 2-conductor 3.5 (d) mm (1/8")/4Ω

Applicable U.S. Military Specifications

The IC-F121S/F221S has been tested to and passed the following MIL-STD requirements and strict environmental standards.

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

Measurements made in accordance with EIA-152C/204D, TIA-603. All stated specifications are subject to change without notice or obligation.

Supplied accessories

  • Hand microphone (HM-152)
  • DC power cable
  • Mounting bracket kit
  • Hanger kit
  • Key assign stickers