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Product Summary
SUNRI-1:4 500W Balun Antenna 1-56Mhz Input 50 ohm To Output 200 ohm For Shortwave SSB AM FM is a RF wireless product selected for wireless communication, antenna experiments and radio signal workflows. It is suitable for radio users, SDR experimenters and wireless project builders who need practical electronics hardware for reliable project work.
Best For
- wireless communication, antenna experiments and radio signal workflows
- SDR receivers, LoRa modules, antennas and RF test setups
- Electronics testing, repair, prototyping and maker workflows
FAQ
Who is this product for? It is intended for radio users, SDR experimenters and wireless project builders.
What should I check before buying? Review the product options, specifications, included accessories and compatibility details on this page.
High power and broadband compatibility: Power resistance up to 200W (SSB), support 1-56MHz full frequency band, meet the high intensity requirements of shortwave communication, ensure stable signal without interference
Precise impedance conversion: 1:2 transformation ratio realizes 50 ohm unbalanced to 100 ohm balanced output, specially optimized for QUARD ANT antenna, improves antenna matching efficiency and reduces signal reflection. Excellent performance indicators: Standing wave ratio is less than 1.5, maximizes energy transmission efficiency, reduces loss, suitable for professional radio applications
Waterproof and lightweight: Pre-set waterproof measures, users only need to deal with external interfaces; compact size and light weight, easy for outdoor deployment and mobile use
When directly connecting the antenna vibrator, use the included copper nose to fix it; after installation, apply waterproof glue to the M seat and cable connector to enhance protection. Suitable for amateur radio stations, emergency communications and base station construction to improve the performance of your antenna system. Purchase now to experience efficient and stable shortwave communication solutions!
Efficient impedance matching (1:4 conversion ratio): Accurately convert input 50 ohms (unbalanced) to output 200 ohms (balanced), greatly improving signal transmission efficiency, reducing energy loss, and ensuring clear communication without interference. Wide frequency band coverage (1-56MHz): Supports shortwave full-band applications, seamlessly switching from low frequency 1MHz to high frequency 56MHz,
suitable for multi-scenario communication needs, such as amateur radio, ship communication or field operations.
High power tolerance (500W power tolerance): Adopting industrial-grade materials and heat dissipation design, it can stably handle 500W high-power loads, avoid overheating damage, and ensure equipment safety and long life.
Low standing wave ratio (less than 1.5): Optimized circuit design, the standing wave ratio is controlled below 1.5, significantly reducing signal reflection and loss, and improving the overall performance of the antenna system.
Multi-scenario applicability: Optimized for shortwave communications, it is widely used in amateur radio, emergency broadcasting, military communications, outdoor adventure and scientific research to improve signal stability and coverage.
Transformation ratio: 1:4
Input impedance: 50 ohms (unbalanced)
Output impedance: 200 ohms (balanced)
Frequency range: 1-56MHz
Standing wave ratio (VSWR): less than 1.5
Power handling: 500W (continuous operation)
Dimensions: OD 57mm x Length 175mm
Weight: 350g
Operating temperature: -20 deg C to +70 deg C (standard industrial range)
Connector: Standard N-type interface
Color: As Shown
Material: plastic
Package Contents:
1 * Balun Antenna kit
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
Precise impedance conversion: 1:2 transformation ratio realizes 50 ohm unbalanced to 100 ohm balanced output, specially optimized for QUARD ANT antenna, improves antenna matching efficiency and reduces signal reflection. Excellent performance indicators: Standing wave ratio is less than 1.5, maximizes energy transmission efficiency, reduces loss, suitable for professional radio applications
Waterproof and lightweight: Pre-set waterproof measures, users only need to deal with external interfaces; compact size and light weight, easy for outdoor deployment and mobile use
When directly connecting the antenna vibrator, use the included copper nose to fix it; after installation, apply waterproof glue to the M seat and cable connector to enhance protection. Suitable for amateur radio stations, emergency communications and base station construction to improve the performance of your antenna system. Purchase now to experience efficient and stable shortwave communication solutions!
Efficient impedance matching (1:4 conversion ratio): Accurately convert input 50 ohms (unbalanced) to output 200 ohms (balanced), greatly improving signal transmission efficiency, reducing energy loss, and ensuring clear communication without interference. Wide frequency band coverage (1-56MHz): Supports shortwave full-band applications, seamlessly switching from low frequency 1MHz to high frequency 56MHz,
suitable for multi-scenario communication needs, such as amateur radio, ship communication or field operations.
High power tolerance (500W power tolerance): Adopting industrial-grade materials and heat dissipation design, it can stably handle 500W high-power loads, avoid overheating damage, and ensure equipment safety and long life.
Low standing wave ratio (less than 1.5): Optimized circuit design, the standing wave ratio is controlled below 1.5, significantly reducing signal reflection and loss, and improving the overall performance of the antenna system.
Multi-scenario applicability: Optimized for shortwave communications, it is widely used in amateur radio, emergency broadcasting, military communications, outdoor adventure and scientific research to improve signal stability and coverage.
Transformation ratio: 1:4
Input impedance: 50 ohms (unbalanced)
Output impedance: 200 ohms (balanced)
Frequency range: 1-56MHz
Standing wave ratio (VSWR): less than 1.5
Power handling: 500W (continuous operation)
Dimensions: OD 57mm x Length 175mm
Weight: 350g
Operating temperature: -20 deg C to +70 deg C (standard industrial range)
Connector: Standard N-type interface
Color: As Shown
Material: plastic
Package Contents:
1 * Balun Antenna kit
Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
