The Wireman PL-259 to SO-239 1:1 Current Balun
Best high-power isolation solution for amateur radio operators.
Enhance your radio setup with The Wireman PL-259 to SO-239 1:1 Current Balun. This certified W2DU jumper model is ideal for connecting transceivers to amplifiers or isolating components. It operates across the 160m to 10m amateur bands and safely handles up to 1500 watts. Featuring standard PL-259 to SO-239 connectors and a convenient 3-foot length, this balun ensures reliable performance. Proudly made in the USA, it's a quality addition to any amateur radio system.
$54.95
Owner Satisfaction
4.7
/ 5
Category Rank
23
/ 1072
#23 in Communication Radio Accessories
Price vs Category Average
-45%
Below average
Type
11
/ : Current Balun
Who it's for
- Operators seeking cleaner signals and reduced interference
- Amateur radio enthusiasts running high-power transmission setups
- Users wanting a quick, plug-and-play feedline solution
Who should skip it
- Hobbyists building wire antennas requiring direct terminal connections
- Operators working across extremely wide or non-standard frequency bands
- Purists concerned about signal attenuation at high frequencies
Performance breakdown
Power Handling
Easily manages 1500 watts for high-output amateur radio operations.
Signal Isolation
Effective W2DU design minimizes common-mode current for cleaner transmission.
Build Durability
Rugged construction ensures long-term reliability in demanding radio environments.
Frequency Versatility
Covers the full 160m to 10m spectrum for broad band compatibility.
Connection Ease
Standard PL-259 and SO-239 connectors allow for seamless plug-and-play integration.
Manufacturing Quality
Proudly made in the USA with high-grade components and assembly.
Key Specs
Type
1:1 Current Balun
Current Power Rating
1500W
Frequency Range
1.0 MHz – 30 MHz (160-10 meters)
Length
3 ft
Connectors
PL-259 to SO-239
Manufacturer Part Number
ZWI-W2DU-1-30-UHF
Country of Origin
Made in USA
Accessory Type
Cable/Adapter
Features
- Provides 1:1 current isolation
- Supports 160m to 10m amateur bands
- Handles high power loads safely
- Uses standard PL-259/SO-239 connections
- Certified W2DU jumper model quality
- Designed for component isolation
- Convenient 3-foot length
What customers say
Amateur radio users overwhelmingly praise The Wireman PL-259 to SO-239 Balun for its professional construction and superior performance. The core satisfaction stems from its exceptional ability to suppress common mode current, immediately lowering the noise floor and improving signal clarity. Operators trust this unit for its robust build quality, designed to endure outdoor conditions. While priced higher than alternatives, reviewers confirm the long term durability and measurable performance fully justify the investment. This specialized component reliably solves complex interference issues, earning high confidence from serious hobbyists.
Know before you buy
A 1:1 current balun is designed to isolate components and suppress common-mode currents on the outside of your coaxial cable. This helps prevent RF interference in the shack and ensures your antenna system radiates more efficiently.
Yes, this unit is rated to handle up to 1500 watts. It is built to safely manage high-power loads typical of most amateur radio amplifiers.
Yes, it is designed to operate across the 160-meter to 10-meter amateur bands, covering the full frequency range from 1.0 MHz to 30 MHz.
Absolutely. It features standard PL-259 and SO-239 connectors, which are the industry standard for most HF transceivers, amplifiers, and antenna feedlines.
The cable is 3 feet long. This length is ideal for connecting equipment on a desk or within an equipment rack without creating excessive cable clutter.
Still have a question?
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