AT-256A/ARC UHF Airborne Communications Antenna | 225–400 MHz

Product Description

The AT-256A/ARC antenna is used for airborne communications on various fixed-wing and rotary-wing aircraft. The antenna is produced to Military Specification MIL-DTL-5815. It is 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. The antenna is protected by an anodic coating to prevent corrosion and the outside surfaces will resist particle erosion up to Mach 0.95. The antenna’s seal-ability is tested to an altitude of 70,000 ft.

Specifications

• Weight:
  2 lbs
• Dimensions:
  9.0 x 5.0 x 1.994 in
• Application:
  Airborne Communications
• Frequency:
  225–400 MHz
• Impedance:
  50 Ω Nominal
• VSWR:
  2.0:1 Maximum
• Polarization:
  Vertical
• Pattern:
  Omni-Directional
• Connector:
  N Female
• RF Power Capacity:
  50 W Maximum
• Gain:
  -1 dBmp

Product Codes

• Mfr Part No
  AT-256A/ARC
• MIL SPEC
  M5815/1-01
• ECCN
  7A994
• MIL SPEC
  M5815/1-01
• NSN
  5985-00-217-0457
• SCHEDULE B CODE
  8529.10.4000

Documentation

• RAMI-Limited-Lifetime-Warranty.pdf