Radio Research, Inc.

• General
  Frequency coverage IC-F5021 IC-F6021	136–174 MHz 440–470 MHz 450–512 MHz
  Number of Channels	128 channels/8 zones
  Channel spacing	12.5/25 kHz, 15/30 kHz
  PLL channel step VHF	2.5, 3.125 kHz
  Current drain Tx 50W⁄45W Rx Max. audio Stand-by	14.0A 1.2A 300mA
  Operating temp. range	–30°C to +60°C –22°F to +140°F
  Power supply voltage	13.6V DC
  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 kHz / ±2.5 kHz (wide/narrow)
  Spurious emissions	70dB typ.
  Adjacent Ch. power	70dB / 60dB (wide/narrow)
  FM Hume and noise	46dB/40dB typ. (W/N)
  Frequency error	±2.5ppm
  Audio harmonic distortion	3% typ. (40% deviation)
  Modulation limiting	70–100% of Max. deviation
  External mic impedance	600Ω (8-pin modular)

  Receiver
  Sensitivity	0.25µV typ. (at 12dB SINAD)
  Squelch sensitivity	0.25µV typ.
  Adjacent Ch. selectivity	75dB typ./ 65dB typ. (wide/narrow)
  Spurious response	70dB
  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-F5021 and IC-F6021 meet MIL-STD requirements and strict environmental standards for shock (MIL 810 F) and vibration (MIL 810 C, D and E).

  Measurements made in accordance with 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
• Microphone hanger
• Key assign stickers