UNUN/BALUN · Feed Systems & Loading
A matching, loading, feedpoint, transformer, choke, or antenna-interface component.
Why operators make room for it
Turn a collection of parts into a deliberate RF system
The most visible part of an antenna is rarely the part doing the matching, loading, or current control that makes the deployment usable.
Unleash the power of seamless connectivity with our latest innovation – the CHA UNUN/BALUN series. Designed to elevate your antenna experience to unprecedented heights, these high-power marvels are set to redefine your communication journey.
That gives the operator a controlled way to shape the completed antenna, verify the match at low power, and understand which component limit governs before transmitting harder.
Quick product reference
Key Specifications
- Product type
- Feed Systems & Loading
- Primary role
- A matching, loading, feedpoint, transformer, choke, or antenna-interface component.
- Available style
- 1:1
- 4:1
- 5:1
- 6:1
- 9:1
- 49:1
- Frequency
- 1 – 100Mhz
- System requirement
- Use only in a documented antenna configuration
- Power rule
- Observe the lowest published rating of every connected component
- Electrical role
- Feedpoint, transformer, loading, matching, or common-mode-control role is configuration-specific
- Interface rule
- Match every RF connector, thread, conductor, and ground / counterpoise connection
Operator decision support
Plan the complete setup
See what this product is best suited for, what the documented setup needs, and the boundaries to confirm before deployment.
- Best for
The most visible part of an antenna is rarely the part doing the matching, loading, or current control that makes the deployment usable.
- What else you need
Observe the lowest published power rating of every connected component and the duty-cycle limits for the operating mode.
- Compatible with
Match every RF connector, thread, conductor, and ground / counterpoise connection
- Limitations
- Observe the lowest published rating of every connected component
- Match every RF connector, thread, conductor, and ground / counterpoise connection
What an operator can do
- Install the component at the documented feedpoint, loading position, or common-mode control location.
- Observe the lowest published power rating of every connected component and the duty-cycle limits for the operating mode.
- Verify resonance, SWR, tuner range, connector type, and grounding or counterpoise requirements before transmitting.
Complete product details
CHA UNUN/BALUN
Unleash the power of seamless connectivity with our latest innovation – the CHA UNUN/BALUN series. Designed to elevate your antenna experience to unprecedented heights, these high-power marvels are set to redefine your communication journey.
THE ANTENNA WIRE CONNECTS TO EITHER - BOTH THUMB SCREWS (BALUN) OR SINGLE THUMB SCREW (UNUN) AT THE TOP OF THE ENCLOSURE AND ALL GROUNDS ARE CONNECTED TO THE BOTTOM SINGLE THUMB SCREW OF THE ENCLOSURE.
Seamless Compatibility:
With a comprehensive range of ratios including 49:1, 9:1, 6:1, 5:1, 4:1, and 1:1, our UNUN/BALUN series ensures compatibility with a wide array of antennas and systems. Whether you're a seasoned ham radio enthusiast, an avid outdoor adventurer, or an emergency responder, Chameleon Antenna has you covered.
Peak Performance:
Experience unparalleled performance as the NEW CHA UNUN/BALUN optimizes impedance transformation, enhances signal efficiency, and minimizes unwanted interference. Elevate your signal strength and clarity, allowing you to stay connected even in challenging environments.
Cutting-Edge Engineering:
Crafted with precision and innovation, our UNUN/BALUN series showcases Chameleon Antenna's commitment to excellence. These units are built to withstand the elements, ensuring reliability in the harshest conditions. Whether it's a scorching desert or a frigid mountaintop, our UNUN/BALUNs are your trusty companions.
SPECIFICATIONS
1:1 ATU Current BALUN
Frequency: 1 – 100Mhz
Input Impedance: 50Ω
Output Impedance: 50Ω
Power Handling: SSB=1KW CW=700W
Temperature Range: -40°C to +100°C
Core Type: FT240-43 by Fair-rite® Co.
Wire type: Enamel copper wire 1.6 mm (AWG 14)
Insulation type: PTFE
4:1 UNUN for Multiband Verticals
Frequency: 1 – 54Mhz
Input Impedance: 50Ω
Output Impedance: 200Ω
Power Handling: SSB=1KW CW=700W
Temperature Range: -40°C to +100°C
Core Type: FT240-43 by Fair-rite® Co.
Wire type: Enamel copper wire 1.6 mm (AWG 14)
Insulation type: PTFE
5:1 UNUN
Frequency: 1.8 – 30Mhz
Input Impedance: 50Ω
Output Impedance: 250Ω
Power Handling: SSB=200W CW=100W DIGITAL=50W
Temperature Range: -40°C to +100°C
Wire type: Copper wire 1.6 mm (AWG 16)
Insulation type: PTFE
6:1 BALUN RF Transformer
Frequency: 1.5 - 70MHz
Input Impedance: 50Ω
Output Impedance: 300Ω
Power Handling: SSB=1KW CW=700W
Temperature Range: -40°C to +100°C
Core Type: FT240-43 by Fair-rite® Co.
Wire type: Enamel copper wire 1.6 mm (AWG 14)
Insulation type: PTFE
9:1 BALUN RF Transformer
Frequency: 1.5 - 30MHz
Input Impedance: 50Ω
Output Impedance: 450Ω
Power Handling: SSB=1KW CW=700W
Temperature Range: -40°C to +100°C
Core Type : FT240-43 by Fair-rite® Co.
Wire type: Enamel copper wire 1.6 mm (AWG 14)
Insulation type: PTFE
49:1 UNUN RF Transformer
Frequency: 3.5MHz – 50MHz
Input Impedance: 50Ω
Output Impedance: 2450Ω
Power Handling: SSB=500W CW=250W
Core Type: FT240-43 by Fair-rite® Co.
Wire type: Enamel copper wire 1.6 mm (AWG 14)
Insulation type: PTFE
