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RAMI Avt-4 COMMAntenna TSO

https://www.roctexo.com/web/image/product.template/86707/image_1920?unique=7af9477
Part numbers : RX1-AVT-4 , AVT-4 , ASS-AVT-4 , AVT-4
Unit of Measure: EA

432.24 EUR / EA 432.24 EUR 432.24 € excl. VAT

432.24 EUR / EA excl. VAT

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Availability
Up to 10 EA ready to ship on Monday 2026-10-05
Order before 17:00 CET on Friday 2026-10-02
Up to 14 EA ready to ship on Thursday 2026-10-08
Order before 17:00 CET on Friday 2026-10-02
6 EA available on request, inbound freight fee of 60 EUR applies
Special order from vendor stock.

The RAMI AVT-4 is a broadband airborne VHF communications antenna for the 118–137 MHz communications band. It uses a low-drag blade-style housing with a vertically polarised omnidirectional radiation pattern.

The antenna incorporates a LURAN-S plastic housing, a radiating element encapsulated in rigid polyurethane foam, and a white polyurethane finish stated to be resistant to Skydrol hydraulic fluid. Mounting hardware and a neoprene mounting pad are included.

  • Manufacturer part number: AVT-4
  • Frequency range: 118–137 MHz
  • Impedance: 50 ohms
  • Nominal VSWR: 3.0:1 maximum
  • Polarisation: vertical
  • Radiation pattern: omnidirectional
  • Connector: BNC female
  • RF power capacity: 30 W
  • Maximum height: 343 mm
  • Maximum antenna weight: 0.57 kg
  • Stated operating limit: up to 563 km/h and 15,240 m altitude

Product documentation listed for this antenna includes a datasheet, installation manual, FAA TSO authorisation documentation, footprint drawing, and product outline.

Overview

The AVT-4 is a broad-band VHF communications antenna. It incorporates a low drag blade housing design made of LURAN-S plastic for high strength and a radiating element encapsulated in rigid polyurethane foam. The housing is finished with a Skydrol resistant white polyurethane paint and comes with mounting hardware and neoprene mounting pad. The antenna is designed to operate at speeds up to 350 mph and altitudes of 50,000 ft. It has a drag force of 0.85 lb. @ 250 mph.

Specifications

  • Application: Airborne Communications
  • Frequency: 118 to 137 MHz
  • Impedance: 50 Ohms Nominal
  • VSWR: 3.0 to 1 Maximum
  • Polarization: Vertical
  • Pattern: Omni-Directional
  • Connector: Type "BNC" Female
  • Max Weight: 20 oz
  • Max Height: 13-1/2"
  • RF Power Capacity: 30 Watts



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