Picture of product AT-256A/ARC

Part #: AT-256A/ARC




RA Miller


Comm Antenna (225-400 MHZ)

Part Number :





  • AT-256A/ARC Antenna is used for airborne communications on various fixed-wing and rotary-wing aircraft.
  • Produced to Military Specification MIL-DTL-5815.
  • Designed to operate at the extreme temperature range of -65°F to 257°F with intermittent operation at 302°F and can withstand a static load of 8 psi perpendicular to the blade, with an ultimate of 12 psi. 
  • Protected by an anodic coating to prevent corrosion and the outside surfaces will resist partical erosion up to Mach 0.95.
  • The antenna’s seal-ability is tested to an altitude of 70,000 ft.



Application:   Frequency: 225 – 400 MHz
Impedance: 50 ohms nominal VSWR: 2.0:1 Max 
Polarization: Vertical Pattern: Omni-Directional
GAIN: -1 dBmp Connector: "N" Female
RF Power Capacity: 50 Watts Maximum   14" Max 
Part Number: Description:
AT-256A/ARC Comm Antenna (225-400 MHZ)



- Comm Antenna (225-400 MHZ)

NSN: 5985-00-217-0457

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