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Call 0345 2300 599CHA 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.
Seamless Compatibility:
With a comprehensive range of ratios including 9:1, 6:1, 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
Typical insertion loss: less than 0.05 dB
Power Handling (CW/AM/SSB): 700w /500w/1Kw
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
Type: 4:1 Current Balun
Frequency: 1 – 52Mhz
Input Impedance: 50Ω
Output Impedance: 200Ω
Typical insertion loss: less than 0.05 dB
Power Handling (CW/AM/SSB): 700w /500w/1Kw
Core Type: FT240-43 by Fair-rite® Co.
Wire type: Enamel copper wire 1.6 mm (AWG 14)
Insulation type: PTFE
6:1 UNUN RF Transformer
Frequency: 1.5 - 70MHz
Input Impedance antenna: 300Ω
Output TRX: 50Ω
Power: 800W average, 1.5kW peak
Insertion Loss Less then: 0.4dB
VSWR: Less than 1.2:1 (1 - 30MHz)
Temperature Range: -40°C to +100°C
Core Type: FT240-43 by Fair-rite® Co.
Wire type: 14AWG enamel copper wire ©Essex Group
Insulation type: PTFE Te‑on tubes ©Essex Group
Antenna Compatibility: windows, OCF antennas, Hertz and folded dipole antennas, T2FD etc...
Maximum Ratings
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
Measuring VSWR (S11)
The VSWR is below 1.1 across the entire HF band, transformation.
is perfectly ‑at despite of makes huge magnitude of choking impedance.
9:1 UNUN RF Transformer
Frequency: 1.5 - 30MHz
Input Impedance antenna: 450Ω
Output TRX: 50Ω
Power: 800W average, 1.2kW peak
Insertion Loss Less then: 0.4dB
VSWR: Less than 1.2:1 (1 - 30MHz)
Temperature Range: -40°C to +100°C
Core Type : FT240-43 by Fair-rite® Co.
Wire type: 14AWG enamel copper wire ©Essex Group
Insulation type: PTFE
Antenna Compatibility: End Fed Antennas
Maximum Ratings
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
Measuring Insertion Loss (S21)
Insertion Loss is under 0.1dB within entire radio amateur MF, HF and even 6m bands. 0.1dB insertion loss makes only 2% power loss. When you drive 1kW into antenna only 20w output power will be missing by another type of energy
Shipping & Delivery
We offer UK and international delivery services, including next working day and selected weekend options for eligible orders. Available services, prices and estimated delivery times are displayed at checkout.
Delivery Information
Delivery options depend on the parcel's size, weight, contents and destination. Express and weekend services are subject to availability and cut-off times. Oversized or exceptionally heavy items may require a specialist delivery quotation.
Returns & Cancellations
To arrange a return, please contact ML&S or complete our returns form. You may also exercise your statutory right to cancel by email or another clear statement, without completing the form.
Changed Your Mind?
Under the Consumer Contracts Regulations 2013, most purchases made online or by telephone can be cancelled within 14 days of receipt.
You must notify us of your cancellation within this period and return the goods within a further 14 days.
Please handle all goods with care. Returned items must be in a resaleable condition, complete with their original packaging, and all supplied accessories.
You may inspect goods as you would in a shop. Handling beyond what is necessary to inspect them may result in a lawful deduction for diminished value.
Exceptions
Modified Equipment & Reversal Charges
Additional return conditions may apply to equipment modified at the customer's request, including wideband transmit or receive modifications.
ML&S may charge a reasonable fee to reverse physical modifications and restore the equipment to its original factory specification. Any such charge will be agreed in advance and deducted from your refund.
Custom-Made Cable Assemblies
Coaxial cable assemblies manufactured to a customer's specifications are excluded from the 14-day return policy and are non-refundable unless faulty.
Software & Labour Charges
Labour and modification charges requested by the customer are non-refundable once the work has been completed.
Computer software may only be returned under the 14-day return policy if it remains sealed and unopened.
Return Postage Charges
Customers are responsible for the direct cost of returning unwanted or incorrectly ordered goods, where permitted by law. You may arrange your own suitable return postage or use one of our optional prepaid services.
Standard Parcels
Royal Mail Return Label
£5.95
Per parcel
For eligible standard-sized parcels, subject to Royal Mail restrictions. Free collection included.
Larger Parcels
DPD Return Label
£7.95
Per parcel
For larger or heavier parcels and any shipments with batteries.
Collection Service
DPD Collection
£25.00
Per parcel
Available upon request for eligible addresses, subject to availability.
Prepaid return charges will be confirmed before booking and deducted from your refund.
These prices apply to eligible UK mainland returns. Oversized items, specialist products and returns from other destinations may require a separate quotation. Estimated return costs will be disclosed before purchase.
Faulty or Incorrectly Supplied Goods
Return postage charges do not apply to faulty, damaged or incorrectly supplied goods returned under statutory rights. ML&S will arrange a free return in these circumstances.
Refunds
Refunds are processed without undue delay following receipt and inspection of returned goods, and no later than 14 days after we receive goods returned under statutory cancellation rights.
Refunds will be issued to the original payment method. Any prepaid return postage charges or lawful deductions for diminished value will be itemised.
Warranty Terms & Conditions
New Equipment Warranty
Minimum 2-Year Warranty
All new products supplied by ML&S carry a minimum two-year warranty against manufacturing defects, excluding batteries, which are covered by separate warranty terms.
Some manufacturers provide extended warranties, such as the three-year warranty available on eligible Yaesu equipment. Any additional coverage is subject to the manufacturer's terms and conditions.
Our workshop may assess and repair faulty equipment on site or refer it to the manufacturer or an authorised service centre where necessary.
Warranty exclusions may include batteries, normal wear and tear, accidental damage, misuse and unauthorised modifications, as specified in the applicable warranty terms.
All warranties are provided in addition to your statutory consumer rights against ML&S, which are not limited by the warranty period.
International Returns & Warranty
Unless otherwise stated, ML&S warranty servicing is carried out in the UK. International customers must contact us before returning goods to confirm shipping and customs requirements.
International customers are responsible for return postage unless the goods are faulty and ML&S has been notified within a reasonable time.
ML&S accepts no responsibility for additional charges resulting from incorrectly completed customs documentation. Any additional duties charged to ML&S as a result will be billed to the customer before return of the goods.
Need Help With a Return?
Our team can assist with returns, postage arrangements, modifications and warranty claims.
Nothing in these terms excludes or limits your statutory consumer rights.