Comant Antenna Model 3.5 vs Model 5.0 Comparison Guide
Updated Oct 3, 2026 MST
Definition
The Comant Antenna family provides aircraft communication and navigation solutions for a range of general‑aviation platforms. The Antennas category at American Aviation Parts lists both the Model 3.5 and Model 5.0, each designed for specific frequency bands and mounting configurations. Before selecting a model, verify the exact aircraft type, installed avionics, and applicable service bulletins.
Feature Comparison
| Feature | Comant Model 3.5 | Comant Model 5.0 |
|---|---|---|
| Frequency Range | Refer to manufacturer data sheet; typically lower VHF band | Refer to manufacturer data sheet; covers broader VHF/UHF range |
| Gain (dBi) | Specified by OEM; verify against aircraft performance charts | Higher gain option available for extended range applications |
| Connector Type | Standard GA‑174 plug (verify exact part number) | GA‑174 or optional LEMO connector (see Antennas / Accessories) |
| Mounting | Fixed wing mounting kit; includes brackets | Versatile mounting kit for wing or fuselage installations |
| Weight | Lightweight design; exact weight listed in data sheet | Slightly heavier due to larger aperture; verify limits |
| Typical Applications | Primary VHF comm for Cessna 172/182 series | Multi‑frequency comm/navigation for Piper PA‑28 and Beechcraft Bonanza |
Pros and Cons – Model 3.5
Pros
- Compact size simplifies installation on smaller airframes.
- Lower weight helps maintain aircraft balance.
- Cost‑effective for basic VHF communication needs.
Cons
- Limited frequency coverage may require additional antennas for multi‑band aircraft.
- Gain may be insufficient for operations in mountainous terrain.
Pros and Cons – Model 5.0
Pros
- Broader frequency range supports both communication and navigation.
- Higher gain improves signal reliability in remote areas.
- Flexible mounting options accommodate diverse aircraft designs.
Cons
- Increased weight may affect aircraft weight‑and‑balance calculations.
- Higher purchase price; verify cost versus operational benefit.
Recommendation
If your aircraft operates primarily on a single VHF channel and weight is a critical factor, the Comant Model 3.5 is the sensible choice. For aircraft requiring multi‑band capability, extended range, or a more versatile installation, the Model 5.0 provides the necessary performance—provided the aircraft’s documentation confirms compatibility.
American Aviation Parts can help you verify the correct part number, locate the appropriate mounting kit, and supply any required Aircraft Parts Buyer Guides - American Aviation Parts. For shipping details, see our Shipping and Delivery Information. Learn more about our company at About Us and review regulatory guidance in FAA PMA Parts Explained - American Aviation Parts. Need other aircraft components? Explore our selection of Aviation Tires for a complete solution.