XRDS-RF UHF Lightning Arrestor PL-259
4.6Editor score
Low insertion loss under 0.4dB
Nickel plated brass construction
DC to 500MHz range
In this guide
Protecting your ham radio gear from sudden electrical surges is essential for long-term reliability and safety. A quality lightning arrestor diverts dangerous energy away from sensitive transceivers before damage occurs.
We evaluated ten highly rated surge protectors based on construction quality, frequency range, and grounding features. Each model offers distinct connectors and protection levels for different station setups.
Every pick highlights key specs, pros, and cons to help you choose the right device. Keep in mind that product availability and pricing can change frequently on retailer sites.
Top 3 Picks for Best Ham Radio Lightning Protection for Antennas
Diamond Antenna SP1000 SP-Series
4.6Editor score
Replaceable surge arrester element
6000 Amps impulse discharge
Wideband low loss capability
Diamond Antenna SP3000 Lightning Arrester
4.8Editor score
DC to 3000MHz frequency
N-Type female to female
High impulse wave discharge
Top 10 Best Ham Radio Lightning Protection for Antennas in 2026 Compared
The table below summarizes key specifications across all ten contenders to help you compare connectors, frequency ranges, and construction materials at a glance.
ProductsSpecificationsEditor scorePrice
Best Budget
XRDS-RF UHF Lightning Arrestor PL-259
UHF Female to Female
DC to 500MHz
Brass Nickel Plated
Requires Ground Cable
4.6Editor score
Editor's Choice
Diamond Antenna SP1000 SP-Series
Coaxial Surge Protector
6000 Amps Impulse
Replaceable Arrester
Weather Resistant
4.6Editor score
Best Premium
Workman A28 Lightning Arrestor
PL-259 Male Female
Ground Screw Included
Surge Protector Cable
Base Station Use
4.5Editor score
Proxicast ProGrade 230V Coaxial
SO-239 Connectors
230V Gas Tube
Bi-Directional Protection
50 Ohm Impedance
4.6Editor score
Lightning Arrester UHF PL259
UHF Female to Female
Aluminum Housing
Earth Lead Included
Multi Strike Capability
5.0Editor score
Diamond Antenna SP3000
N-Type Female Female
DC to 3000MHz
200W Power
Impulse 1000V
4.8Editor score
XRDS-RF Bulkhead Arrestor
PL259 Male to SO239
Integrated Bulkhead Mount
Brass Nickel Plated
230V Gas Tube
4.4Editor score
Coaxial Lightning Arrester 2 Pack
UHF Female Female
Brass Plated Pin
PTFE Insulation
2 Pack Value
4.6Editor score
RAIGEN Lightning Arrestor N-Type
N-Type Male Female
0 to 6 GHz
Replaceable 90V Tube
Includes Ground Lug
4.8Editor score
Opek LP-350a Lightning Surge
PL-259 Connectors
0 to 600MHz
Up to 350W
Ground Terminal
4.6Editor score
1. XRDS-RF UHF Lightning Arrestor – Best Budget Option
XRDS-RF UHF Lightning Arrestor PL-259
0.4dB Insertion Loss
VSWR Under 1.2
DC to 500MHz
Brass Nickel Plating
This XRDS-RF arrestor offers reliable surge protection at an entry-level price. It boasts a 4.6 star rating for low loss and solid build quality that handles typical ham radio frequencies well.
Pros
- Affordable price point
- Low signal loss
- Sturdy brass construction
- Easy PL-259 install
Cons
- Ground cable sold separate
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The low VSWR and insertion loss ensure your signal remains strong while the nickel-plated brass body resists corrosion. It fits standard PL-259 coax cables easily for quick setup.
One trade-off is the need to source a separate grounding cable. This is common for basic arrestors but adds a minor step to your installation process.
Ideal for beginners or secondary stations, this unit provides essential protection without breaking the bank. It is a practical choice for protecting base station antennas.
Low Insertion Loss for Signal Clarity
With less than 0.4dB loss and VSWR under 1.2, this unit preserves signal integrity across your operating band.
Durable Nickel Plated Brass Body
The brass construction with nickel plating offers excellent corrosion resistance for long-term outdoor exposure on antenna mounts.
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2. Diamond Antenna SP1000 SP-Series – Editor's Choice
Diamond Antenna SP1000 SP-Series
Replaceable Arrester Element
6000 Amps Impulse
Insertion Loss 0.3dB
Weather Resistant Build
The Diamond SP1000 delivers professional grade protection with a replaceable surge element. Its 4.6 star rating reflects strong performance in safeguarding radios from high voltage energy surges.
Pros
- Replaceable surge element
- High impulse capacity
- Extremely low loss
- Brand reputation for quality
Cons
- Slightly higher cost
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Featuring an insertion loss under 0.3dB and a 6000 Amps impulse capacity, it handles extreme conditions while maintaining signal quality. The durable weather resistant body suits mobile and base stations alike.
While the price is higher than budget options, the replaceable part extends the device life significantly. This makes it a smart long-term investment for serious operators.
We recommend this for users who want reliable surge protection that adapts to multiple strikes. It is an essential accessory for safety-conscious amateur radio setups.
Replaceable Surge Arrester Element
Unlike disposable units, the SP1000 features a replaceable element that restores protection after a major lightning strike event.
High Impulse Wave Discharge Capacity
Handling 6000 Amps ensures that even during severe thunderstorms the device can divert enough energy to save your valuable gear.
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3. Diamond Antenna SP3000 – Best Premium Option
Diamond Antenna SP3000 Lightning Arrester
DC to 3000MHz Range
N-Type Female Connectors
Impulse Wave Discharge
200W Power Handling
For stations using N-type connectors, the Diamond SP3000 offers unmatched frequency range up to 3000MHz. With a 4.8 star rating, it is a top choice for high-end setups requiring robust protection.
Pros
- Very high frequency range
- N-Type connectors
- Superior impulse rating
- Top customer ratings
Cons
- N-Type may need adapters
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Its impulse wave discharge capacity protects against significant surges while the N-Type female to female design ensures secure connections. The unit is built for reliable operation across a broad spectrum.
If your coax uses PL-259 connectors, you may need adapters which adds slight bulk. However, the performance benefits and build quality justify the extra hardware for serious operators.
This unit is ideal for advanced hams who demand peak performance and longevity. It delivers premium protection suitable for expensive transceivers and high power stations.
Broad Frequency Coverage
Supporting DC to 3000MHz means this arrester protects everything from HF to modern UHF and beyond without signal degradation.
High Power and Surge Handling
With 200W power handling and strong impulse ratings, it withstands heavy duty conditions found in high power or commercial stations.
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4. Workman A28 Lightning Arrestor – Simple Surge Protection
Workman A28 Lightning Arrestor
PL-259 Male to Female
Ground Screw Included
Surge Diversion
Base Station Fit
The Workman A28 provides straightforward surge protection with a convenient ground screw on the side. Its 4.5 star rating shows consistent performance for budget focused ham operators.
Pros
- Integrated ground screw
- Very affordable price
- Simple install
- Reliable brand history
Cons
- Basic construction feel
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Installation is simple as the PL-259 connectors attach directly between your radio and antenna. The ground screw allows for easy connection to your grounding system to divert energy.
Build quality is basic compared to premium models but it serves the core function well. It is a no-nonsense device for protecting entry level or temporary stations.
Choose this if you need a quick fix for surge safety without extra cost. It is suitable for CB and ham radio base antennas needing essential protection.
Built In Ground Screw
The side mounted ground screw simplifies the wiring process by offering a direct terminal for your grounding cable connection.
PL-259 Standard Connectors
Standard PL-259 male and female ends make this universally compatible with most coaxial cables used in amateur radio setups.
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5. Proxicast ProGrade 230V Coaxial – SO-239 Surge Protector
Proxicast ProGrade 230V Coaxial
SO-239 Connectors
230V Gas Discharge Tube
Bi-Directional Protection
DC Pass-Through
This Proxicast model features SO-239 connectors for in-line use with VHF and UHF setups. A 4.6 star rating highlights its effectiveness in handling surges safely.
Pros
- SO-239 connector style
- Gas discharge tube
- Bi-directional protection
- 50 Ohm match
Cons
- Needs enclosure for bulkhead
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The 230V gas discharge tube shunts damaging energy while the bi-directional design offers flexibility. Its 50 Ohm impedance ensures minimal signal attenuation during transmission.
Installation may require an enclosure for bulkhead mounting which is standard for this type of arrester. It remains a robust choice for protecting sensitive feedlines.
Suitable for amateur and CB radios this unit combines reliable tech with easy connectivity. It is a great fit for base stations needing a clean feedline entry.
230V Gas Discharge Tube
The internal gas tube activates during voltage spikes to divert excess current away from your radio equipment safely.
Bi-Directional Surge Protection
Protection works from both ends of the coax allowing flexible installation in complex feedline arrangements.
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6. Lightning Arrester UHF PL259 – Reliable Surge Deflect
Lightning Arrester UHF PL259
UHF Female to Female
Aluminum Housing
Earth Lead Included
Multi Strike Safe
With a perfect 5.0 star rating this UHF arrester delivers reliable defence against surges. Its aluminum housing offers excellent heat dissipation and corrosion resistance for outdoor installs.
Pros
- Perfect 5.0 rating
- Aluminum housing
- Earth lead provided
- Instant reaction components
Cons
- Only one per pack
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The package includes an earth lead to activate protection immediately. Internal components react instantly to divert lightning energy without needing fuse replacements over time.
The only drawback is the single pack size which limits stocking up for multiple antennas. But for a single station setup this unit is hard to beat.
Ideal for VHF and two-way systems this arrester ensures long lasting performance. It is a top choice for peace of mind during severe weather events.
Aluminum Heat Dissipation
The aluminum housing not only resists corrosion but also dissipates heat effectively during high load or storm conditions.
Plug and Play Earth Lead
The included earth lead simplifies grounding by offering a ready-to-connect terminal for your building ground system.
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7. XRDS-RF Bulkhead Arrestor – Versatile Feed Through
XRDS-RF Bulkhead Arrestor
PL259 Male to SO239
Integrated Nut Mount
230V Gas Tube
Low VSWR
This bulkhead arrestor bridges PL259 plugs to SO239 sockets seamlessly. With a 4.4 star rating it provides effective surge protection for outdoor enclosures.
Pros
- Bulkhead mount style
- Integrated mounting nut
- Gas tube protection
- Low signal loss
Cons
- Mixed connector types
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The integrated nut allows secure mounting through a copper strip or box serving as a feed through point. This helps keep antennas organized and safe.
Mixed connector types require compatible cables which might add complexity. However, the low VSWR ensures signal integrity across your operating frequencies.
Best for operators needing a feed-through solution inside a weatherproof box. It balances convenience and protection for CB and ham base stations effectively.
Integrated Mounting Nut
The integrated nut allows you to securely mount the arrestor to panels or bulkheads without needing extra hardware.
Mixed Connector Compatibility
Bridging PL259 to SO239 lets you adapt existing cabling to different equipment inputs easily.
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8. Coaxial Lightning Arrester 2 Pack – Dual Station Value
Coaxial Lightning Arrester 2 Pack
2 Pack Value
Brass Plated Outer
PTFE Insulation
Wide Bandwidth
Getting two units in one pack makes this ideal for stations with multiple antennas. The 4.6 star rating confirms consistent quality across both arrestors.
Pros
- Two units included
- Corrosion resistant
- Wide bandwidth
- Low insertion loss
Cons
- May lack mounting hardware
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Brass plated outer conductors offer corrosion resistance while PTFE insulation protects the inner core. This structure ensures a longer service life for outdoor use.
If you only need one protector, the second unit can serve as a spare. However, some users might need to buy extra ground wires separately.
This pack is perfect for family setups or multiple station builds. It delivers superior performance and value for protecting various electrical equipment safely.
Brass Plated Outer Conductor
The brass plating increases hardness and abrasion resistance ensuring the unit stays functional despite rough weather.
PTFE Insulation Material
PTFE insulator protects the inner core effectively allowing for stable signal connections over time.
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9. RAIGEN Lightning Arrestor N-Type – Broadband IoT and Ham Protector
RAIGEN Lightning Arrestor N-Type
0 to 6 GHz Range
Replaceable 90V Tube
Ground Lug Included
Heavy-Duty Brass
This RAIGEN arrester covers 0 to 6 GHz making it perfect for modern IoT and HF radio alike. Its 4.8 star rating reflects professional outdoor deployment quality.
Pros
- Wideband coverage
- Replaceable gas tube
- Includes ground lug
- Professional outdoor build
Cons
- Higher price range
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A replaceable 90V gas discharge tube ensures continuous protection after surges. The included ground lug simplifies bonding to your building ground system easily.
It is more expensive than basic units but the replaceable tube adds significant value. You avoid discarding the whole unit after a single lightning strike.
Best for IT installers or hams with mixed frequency needs. It safeguards everything from WiFi access points to amateur radio transceivers comprehensively.
Wide-Band 0 to 6 GHz
This wideband design supports everything from CB radio to 5G LTE and WiFi without needing different arrestors.
Replaceable 90V Gas Tube
Swapping the internal tube restores protection after a strike extending the device life without buying new hardware.
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10. Opek LP-350a Lightning Surge – Power Handling Specialist
Opek LP-350a Lightning Surge
0 to 600MHz Range
350 Watts Power
PL-259 Connectors
Ground Terminal
The Opek LP-350a is built to handle up to 350 Watts which suits high power CB and ham stations. A 4.6 star rating shows reliable protection performance.
Pros
- 350W power rating
- Ground terminal included
- PL-259 compatible
- Solid basic build
Cons
- Limited high frequency range
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Its ground terminal offers a simple way to connect earth grounding. With PL-259 connectors it accepts most standard coax cables for quick setup.
Frequency range goes up to 600MHz which is good for lower bands but not for very high UHF. It is a robust device for power focused operators.
Ideal for those needing extra wattage tolerance on their station. It balances power handling with standard connectors effectively.
350 Watts Power Rating
This unit supports up to 350 Watts allowing high power CB and ham setups to run without overheating the arrester.
Ground Terminal Included
A dedicated ground terminal on the side makes it easy to wire to your earth grounding system.
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Buying Guide – How to Choose the Best Ham Radio Lightning Protection for Antennas
Selecting the right lightning arrestor requires matching connectors, frequency ranges, and grounding features to your specific station setup.
Connector Type
Check your existing coax cable connectors such as PL-259, SO-239, or N-Type to ensure the arrestor fits directly without adapters. Mismatched connectors can lead to poor contact and signal loss.
Always verify connector compatibility before buying to avoid extra hardware costs.
Frequency Range
Ensure the arrestor covers the frequencies you operate on. Basic models may go up to 500MHz or 600MHz while premium ones cover up to 3000MHz or 6GHz for modern setups.
Choose a model that matches your highest operating frequency to avoid signal degradation.
Insertion Loss
Look for units with low insertion loss like less than 0.4dB to maintain signal clarity. High loss can weaken your transmissions and reception.
Prioritize low insertion loss to keep your station performance strong.
Grounding Options
Ensure the arrestor has a reliable way to ground such as a ground screw or lug. Proper grounding is crucial for diverting surge energy away from equipment.
Check if a grounding cable is included or if you need to buy one separately.
Build Quality
Select units with corrosion resistant materials like brass plating or aluminum. Outdoor exposure demands durable housing that can withstand rain and humidity.
Invest in durable construction for long-term reliability in all weather.
Replaceable vs Non-Replaceable
Some arrestors feature replaceable gas discharge tubes which allow you to restore protection after a surge. Non-replaceable units must be replaced entirely.
Consider if a replaceable element is worth the extra cost for your usage.
Power Handling
If you run high power transmitters, ensure the arrestor can handle the wattage. Low power units may degrade or fail under high load.
Match the arrestor power rating to your radio output for safety.
Bulkhead Mounting
For outdoor boxes or enclosures, look for bulkhead mount options. These allow the arrestor to pass through walls cleanly and securely.
Choose a bulkhead design if you plan to install inside a weatherproof enclosure.
How to Use and Care for Your Ham Radio Lightning Protection for Antennas
Install the arrestor between your antenna feedline and your radio transceiver. Ensure all connectors are tight and secure to prevent signal leaks.
Connect the grounding terminal on the arrestor to a proper earth ground system. Use a dedicated grounding cable to direct lightning energy safely into the earth.
Regularly inspect the arrestor and cables for signs of corrosion or wear. Clean contacts and check mounting nuts periodically to maintain performance.
Frequently Asked Questions
Do all lightning arrestors require a separate ground cable?
Most basic arrestors do not include a ground cable, so you must buy one separately. Some higher-end models provide a ground lead or lug for easier setup. Always check product details before buying.
Can I use a PL-259 arrestor on an N-Type antenna?
You will need adapters to connect different connector types which may affect performance. It is better to choose an arrestor that matches your connector directly for best signal integrity.
Will a lightning arrestor protect during a direct strike?
Arrestors divert nearby surges but cannot fully protect against a direct lightning hit. Proper grounding and site selection help reduce risk but no device is 100 percent bulletproof.
How often should I replace my surge protector?
If the arrestor has a replaceable gas tube you can swap it after a strike. If it does not, inspect for damage and replace if performance seems degraded over time.
Is a ground screw the same as a grounding terminal?
Yes, a ground screw or lug serves as the terminal to attach your grounding cable. Ensure it is connected to a proper earth ground for effective protection.
What is insertion loss and why does it matter?
Insertion loss is the signal reduction caused by the arrestor. Lower numbers mean less signal drop so look for units under 0.5dB to maintain strong transmission and reception.
Final Thoughts on Choosing the Best Ham Radio Lightning Protection for Antennas
The XRDS-RF UHF Lightning Arrestor, Diamond SP1000, and Diamond SP3000 stand out for their balance of price, durability, and frequency coverage.
Prioritize connectors and grounding features to match your station setup. Investing in a quality arrester now prevents costly damage to your transceiver later.
Always check current availability and pricing on retailer sites as details may change. Protecting your gear with the right arrester ensures peace of mind during storm season.