AirNav VHF Airband 118-136 MHz Outdoor Antenna User Manual

Introduction

This manual provides instructions for the proper installation, operation, and maintenance of your AirNav VHF Airband 118-136 MHz Outdoor Antenna. Please read this manual thoroughly before using the product to ensure optimal performance and safety.

The AirNav VHF Airband Antenna is an omni-directional antenna designed for receiving VHF Airband frequencies (118-136 MHz). It is suitable for both indoor and outdoor use and comes with a 7.5-meter cable and SMA connector for compatibility with various VHF Airband receivers.

Package Contents

Verify that all items are present in the package:

• AirNav VHF Airband 118-136 MHz Outdoor Antenna
• Mounting Bracket
• 7.5-meter Coaxial Cable with SMA Connector

Image 1: AirNav VHF Airband Antenna, coaxial cable, and mounting bracket.

Setup and Installation

Follow these steps for proper installation of your antenna.

1. Choosing an Installation Location

• For optimal reception, select a location that is as high as possible and free from obstructions such as buildings, trees, or metal structures.
• Ensure the location allows for safe and secure mounting.
• Consider the length of the provided 7.5-meter coaxial cable when choosing a location relative to your receiver.

2. Mounting the Antenna

1. Assemble the mounting bracket components. The bracket is designed for pole or wall mounting.
2. Securely attach the mounting bracket to your chosen surface (e.g., mast, wall) using appropriate fasteners (not included, unless part of the bracket kit).
3. Attach the antenna to the mounting bracket, ensuring it is vertical for optimal omni-directional performance.
4. Tighten all connections to prevent movement due to wind or other environmental factors.

Image 2: Close-up view of the antenna's base and SMA connector.

3. Connecting the Coaxial Cable

1. Connect one end of the provided 7.5-meter coaxial cable to the SMA connector at the base of the antenna. Hand-tighten the connector until snug.
2. Route the coaxial cable from the antenna to your VHF Airband receiver. Ensure the cable is not kinked, pinched, or subjected to excessive strain. Use cable ties or clips to secure the cable along its path.
3. Connect the other end of the coaxial cable (SMA connector) to the antenna input port on your VHF Airband receiver.

Image 3: The antenna with its coiled coaxial cable, showing the SMA connector.

Operating Instructions

Once the antenna is installed and connected to your receiver:

1. Power on your VHF Airband receiver.
2. Tune your receiver to the desired Airband frequencies (118-136 MHz).
3. Adjust your receiver's settings (e.g., squelch, volume) as needed for clear reception.
4. The omni-directional design of this antenna means it receives signals from all directions, eliminating the need for manual aiming.

Maintenance

• Regular Inspection: Periodically inspect the antenna, mounting bracket, and coaxial cable for any signs of wear, damage, or corrosion.
• Cleaning: If the antenna becomes dirty, gently wipe it with a damp cloth. Avoid using harsh chemicals or abrasive cleaners.
• Cable Integrity: Ensure the coaxial cable remains securely connected and free from damage. Replace if any fraying or cuts are observed.
• Weather Protection: While designed for outdoor use and tested in extreme weather, ensure all connections are tight to prevent water ingress.

Troubleshooting

Specifications

• Frequency Range: 118-136 MHz (VHF Airband)
• Antenna Type: Omni-directional, Vertical
• Gain: 5 dBi
• Polarization: Vertical
• Impedance: 5 Ohm
• Material: Fiberglass & Aluminum Alloy
• Length: 66 cm / 26 inches
• Diameter/Width: 20 mm
• Cable Length: 7.5 meters
• Connector Type: SMA
• Weight: 1.35 pounds (approx. 0.61 kg)
• Operating Environment: Indoor & Outdoor

Warranty and Support

For warranty information or technical support, please refer to the official AirNav Systems website or contact their customer service directly.

Manufacturer: AirNav Systems

Return Policy: 30-day refund/replacement policy from the date of purchase.

Contact: Please visit www.radarbox.com for further assistance.