SKU: 50079024058

PolyPhaser IS-B50LN-C2 10 MHz - 1 GHz N Female Bulkhead Coax RF Surge Protector

Sale price$103.49 Regular price$114.99
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Description

PolyPhaser IS-B50LN-C2 10 MHz - 1 GHz N Female Bulkhead Coax RF Surge ProtectorPolyPhaser IS B50LN C2 10 MHz 1 GHz N Female Bulkhead Coax RF Surge Protector The PolyPhaser IS B50LN C2 is a high performance coaxial RF surge protector designed to shield sensitive radio and antenna equipment from damaging lightning strikes and electromagnetic pulse (EMP) surges. This indispensable component is crucial for installations where system equipment is outdoors, ensuring protection for your investment against powerful electrical events.

PolyPhaser IS-B50LN-C2

10 MHz - 1 GHz N Female Bulkhead Coax RF Surge Protector

The PolyPhaser IS-B50LN-C2 is a high-performance coaxial RF surge protector designed to shield sensitive radio and antenna equipment from damaging lightning strikes and electromagnetic pulse (EMP) surges. This indispensable component is crucial for installations where system equipment is outdoors, ensuring protection for your investment against powerful electrical events.

Operating across a wide frequency range of 10 MHz to 1 GHz, the PolyPhaser IS-B50LN-C2 supports high-power radio systems with a maximum input power of 1.5 kW. It incorporates a sophisticated dual protection design—using both a blocking capacitor and a gas tube—to suppress DC surges while allowing the RF signal to pass cleanly through, guaranteeing consistent signal quality and unmatched safety.

Key Features

  • Broadband Frequency Range: Supports 10 MHz to 1 GHz operation, providing versatile lightning protection for HF, VHF, and UHF radio systems.
  • High Power Handling: Rated for a maximum input power of 1.5 kW, making it suitable for high-power transmitters and repeater installations.
  • Superior Surge Suppression: Features a 20 kA surge current rating and an ultra-low 120 µJ throughput energy, ensuring maximum protection for connected equipment.
  • N Female Bulkhead Connectors: Utilizes N Female connectors on both the input and output sides, providing a robust, high-quality, and secure connection for feedlines.
  • DC Block Technology: Incorporates a blocking cap and gas tube to effectively suppress DC current surges, safeguarding circuits without degrading the RF signal.

Benefits

  • Prevents Catastrophic Damage: Acts as a sacrificial shield, protecting expensive radio equipment and antennas from lightning-induced power surges and EMP events.
  • Maintains Signal Integrity: Achieves a low VSWR of less than 1.1:1 and only 0.1 dB nominal insertion loss, ensuring the RF signal quality remains pristine.
  • Multi-Strike Capability: Designed to handle multiple surge events, providing ongoing and reliable protection over its service life.
  • Durable Installation: The bulkhead mount style ensures a secure, permanent, and ground-focused installation point for maximum safety.

 

Warranty

1-year manufacturer's warranty

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 50079024058

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4.0 ★★★★★
Based on 9 reviews
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A
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ariana
Chelsea, US
★★★★★ 5
very nice
Color: Light Pink, Color: Light Pink
very soft, nice quality. easy to install. definitely measure and make sure it will fit. mine was about 12” long, and this one fits perfectly. more of a soft, washed out pink rather than the brighter pink pictured
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
M
Verified Purchase
Mary Bethea
Dallas, US
★★★★★ 5
It feels good just needs to be a little longer
Color: Black
It wasn't long enough for my armrest. Other than that I loved it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2025
S
Verified Purchase
Shanna Clark
Bozeman, US
★★★★★ 5
So cute
Color: Blue, Color: Blue
These are so soft and fuzzy.
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Reviewed in the United States on April 29, 2026
S
Verified Purchase
sarah
Battle Creek, US
★★★★★ 5
Soft & fluffy. Stuffy arm rest.
Color: Purple, Color: Purple
Soft and fluffy & my fav color purps. Now I'm looking for other purple accessories to go with my 2021 Honda CRV. I don't think this cover would be be enough for a large SUV arm rest such as a Navigator... But yea, order if you want some color & funk in the ride
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Reviewed in the United States on February 25, 2026
A
Verified Purchase
Amy
Whiting, US
★★★★★ 1
Return refund impossible to receive also it’s tacky looking
Color: Black
First off this item said it was fit, but it did not second of all I went to return it and they could only be returned to the original payment method my credit card. My bank is not showing anything. Amazon is zero help trying to say it went back on a gift balance, which I have photo proof that both are incorrect. I tried to reach out to the seller and they were also zero help so I advise one not to buy this because it’s small and cheap looking too you can’t get your refund back.
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Reviewed in the United States on October 30, 2025

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