​ ANT-81A Flat Antenna - 4 Hole Mount, P/N 071-50001-8102/ 071-50001-8103


The ANT-81A is a GPS antenna designed for aviation use. It is commonly used in aircraft to provide reliable GPS signal reception for navigation systems, including GPS receivers and avionics suites.

Key Features of the ANT-81A

1.High Performance:

Designed to receive GPS signals with high accuracy and reliability.

Supports L1 frequency (1575.42 MHz) used by GPS satellites.

2.Durability:

Built to withstand harsh aviation environments, including extreme temperatures, vibration, and moisture.

Rugged construction ensures long-term reliability.

3.Compact and Lightweight:

Designed for easy installation on aircraft without adding significant weight.

4.Wide Compatibility:

Compatible with a variety of GPS receivers and avionics systems, including those from BendixKing and other manufacturers.

5.Low Profile Design:

Aerodynamic design minimizes drag and interference with aircraft performance.

Applications

• General Aviation: Used in small aircraft for navigation and situational awareness.
• Helicopters: Provides GPS signal reception for rotorcraft.
• Unmanned Aerial Vehicles (UAVs): Suitable for drones requiring reliable GPS positioning.
• Retrofits and Upgrades: Often used to upgrade older aircraft with modern GPS capabilities.

Specifications

• Frequency: L1 (1575.42 MHz)
• Gain: Typically around 3-5 dBic (gain relative to an isotropic circularly polarized antenna)
• Polarization: Right-hand circular polarization (RHCP)
• Impedance: 50 ohms
• Operating Temperature: -40°C to +85°C (-40°F to +185°F)
• Dimensions: Compact and low-profile design (exact dimensions can be found in the product manual)
• Weight: Lightweight, typically less than 1 pound (0.45 kg)

Compatibility

• The ANT-81A is compatible with a wide range of GPS receivers and avionics systems, including:
• BendixKing GPS navigators
• Garmin GPS systems
• Other third-party avionics that support L1 GPS signals.

Part Number

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