Workman A28 Lightning Arrestor
4.5Editor score
PL-259 Male/Female ends
Side ground screw included
Simple coax protection
In this guide
Protecting your expensive radio equipment from voltage spikes is essential for any serious operator. A quality antenna lightning arrestor diverts harmful energy safely to ground before it reaches your transceiver.
We analyzed ten leading models based on impedance matching, frequency range, and construction durability. Each selection offers reliable protection for different connector types and installation environments.
Every pick below details specific features, pros, and cons to help you choose the right unit for your setup. Note that product availability and pricing may change without prior notice.
Top 3 Picks for Best Antenna Lightning Arrestor
Diamond Antenna SP3000 Lightning Arrester
4.8Editor score
DC to 3000 MHz range
1000 V impulse discharge
200W power handling
RAIGEN Lightning Arrestor N-Type
4.8Editor score
0-6 GHz wideband performance
Replaceable gas discharge tube
Ground lug included
Top 10 Best Antenna Lightning Arrestor in 2026 Compared
The following table provides a side-by-side comparison of the ten top-rated antenna lightning arrestor models available this month. Review the key specifications to identify the best fit for your specific antenna system.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Proxicast ProGrade 230V SO-239
230V Gas Discharge Tube
50 Ohm Impedance
UHF SO-239 Connectors
DC Pass-Through Capability
4.6Editor score
Editor's Choice
Diamond Antenna SP1000 SP-Series
6000 Amps Impulse Capacity
Less Than 0.3 dB Loss
Replaceable Surge Element
Weather Resistant Body
4.6Editor score
Best Premium
Proxicast ProGrade 230V N-Type
DC to 6 GHz Range
N-Male N-Female Connectors
50 Ohm Impedance
230V Gas Tube
4.4Editor score
N Type Lightning Arrestor 0-6 GHz
50 Ohm Impedance
N-Male N-Female Connectors
90V Replaceable Tube
Bi-Directional Protection
4.7Editor score
XRDS-RF UHF Lightning Arrestor
PL-259 Female Female Ends
Less Than 0.4 dB Loss
Brass Nickel Plated Body
DC to 500 MHz Range
4.6Editor score
Coaxial Lightning Arrester UHF Female
SO-239 Female Connectors
Brass Nickel Plated Outer
PTFE Insulator Material
Low Insertion Loss Design
4.6Editor score
Workman A28 Lightning Arrestor
PL-259 Male Female Ends
Ground Screw on Side
Simple Surge Diversion
For CB Ham Antennas
4.5Editor score
RAIGEN Lightning Arrestor N-Type
0-6 GHz Performance
Replaceable 90V Tube
Less Than 0.1 dB Loss
Ground Lug Included
4.8Editor score
Proxicast ProGrade 75 Ohm F-Type
75 Ohm Impedance
F-Male Female Connectors
For TV Satellite Antennas
230V Gas Discharge Tube
4.5Editor score
Diamond Antenna SP3000 Lightning Arrester
DC to 3000 MHz Range
200W Power Handling
1000 V Impulse Discharge
N-Type Female Female
4.8Editor score
1. Proxicast ProGrade – Best Overall Antenna Lightning Arrestor
Proxicast ProGrade 230V Coaxial Lightning Arrester – UHF SO-239 / SO-239
230V Gas Discharge Tube
50 Ohm Impedance
UHF SO-239 Connectors
Bi-Directional Protection
The Proxicast ProGrade 230V Coaxial Lightning Arrester stands out as a highly reliable solution for protecting VHF, UHF, and CB radio equipment. With a strong 4.6 star rating, it is trusted by operators who need robust protection against surges and transients. Its gas discharge tube technology ensures that damaging energy is shunted safely to ground before reaching your sensitive transceivers.
Pros
- Wide frequency range support
- Low RF insertion loss
- Durable outdoor rated construction
- Multiple strike capability
- Easy to install
Cons
- Requires separate grounding cable
- UHF connectors not ideal for very high frequencies
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This unit offers bi-directional protection and features 230V gas discharge tube technology to handle multiple strikes effectively. The design includes a very low RF insertion loss, ensuring your signal remains strong without significant attenuation. Its 50 Ohm impedance matches standard coaxial systems, making it a seamless fit for most amateur and mobile radio setups without requiring additional adapters.
While it performs exceptionally well, it requires an external grounding cable for proper installation, which is not included in the package. Additionally, the use of UHF connectors means it may not be ideal for systems operating at the very upper limits of the frequency spectrum. These are minor trade-offs for the reliability and protection this unit provides at its price point.
Any amateur radio operator looking for a dependable inline protector for their base or mobile station should consider this model. It strikes a great balance between performance, durability, and ease of use. We recommend it as the top choice for those who want peace of mind without breaking the budget.
Reliable Surge Diversion
The 230V gas discharge tube effectively redirects damaging surges and lightning energy to earth ground.
Low Signal Impact
Maintains optimal signal strength with very low RF insertion loss and 50 Ohm impedance matching.
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2. Diamond SP1000 – Reliable Protection for Base Stations
Diamond Antenna SP1000 SP-Series Lightning Arrester
6000 Amps Impulse Capacity
Less Than 0.3 dB Loss
Replaceable Surge Element
Weather Resistant Body
The Diamond Antenna SP1000 SP-Series Lightning Arrester is engineered specifically to safeguard mobile and base station antennas from lightning-induced damage. With an impressive 4.6 rating, it is a trusted choice among serious operators who demand high performance and durability in their surge protection devices.
Pros
- High impulse wave capacity
- Extremely low insertion loss
- Replaceable surge arrester element
- Designed for mobile and base stations
- Durable weather-resistant construction
Cons
- Compatible mainly with Diamond SP-Series antennas
- Higher price than generic options
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This unit boasts an impulse wave discharge capacity of 6000 Amps, ensuring it can handle severe surges without failing. Its insertion loss is less than 0.3 dB, which is exceptionally low and helps maintain optimal signal integrity for high-frequency operations. The replaceable surge arrester element adds longevity to the unit, allowing you to replace just the component rather than the entire device after a heavy strike.
The primary consideration is compatibility, as it is designed to work seamlessly with Diamond SP-Series antennas. If you are using a different brand, you may need adapters to fit it into your existing setup. The cost is also higher compared to basic protectors, but the build quality and replaceable parts justify the investment for critical installations.
If you are operating a base station or a high-power mobile rig, this arrester provides the necessary protection to prevent costly equipment failure. Its reliable operation and low loss make it an essential accessory for safety-conscious radio operators. It is a solid choice for those who prioritize performance over initial cost.
High Surge Capacity
Handles up to 6000 Amps of impulse wave discharge to protect equipment from severe lightning strikes.
Replaceable Parts
Features a replaceable surge arrester element to extend the lifespan of the protection device.
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3. Proxicast ProGrade N-Type – Wideband Protection
Proxicast ProGrade 230V Coaxial Lightning Arrester – N-Male/N-Female
DC to 6 GHz Range
N-Male N-Female Connectors
50 Ohm Impedance
230V Gas Tube
The Proxicast ProGrade 230V Coaxial Lightning Arrester with N-Male/N-Female connectors is designed for wideband performance ranging from DC to 6 GHz. It is an ideal choice for protecting modern radio devices including cellular modems, WiFi access points, and helium miners against surges and lightning strikes.
Pros
- Wide frequency coverage up to 6 GHz
- Compatible with modern cellular modems
- Low RF insertion loss
- Bi-directional protection
- Mountable for outdoor use
Cons
- N connectors may require adapters for older equipment
- Requires separate grounding
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This arrester features a 230V gas discharge tube that provides reliable bi-directional protection. It maintains a very low RF insertion loss, ensuring that your signal strength remains high across a broad frequency spectrum. The 50 Ohm impedance matches most coaxial systems, and the N-type connectors offer a secure and weather-resistant connection suitable for outdoor mounting.
While it offers excellent wideband coverage, the N-type connectors might not be standard for all legacy radio equipment. You may need to use adapters if your setup uses UHF connectors. Additionally, as with most protectors, you will need to provide your own grounding cable to ensure proper safety functionality.
Anyone with a setup that includes 4G/5G modems or broadband antennas should strongly consider this model for its versatility. It provides a secure bridge between your antenna and your equipment, diverting dangerous energy safely to ground. Its construction and performance make it a valuable investment for protecting modern connectivity gear.
Broad Frequency Support
Covers DC to 6 GHz, making it suitable for everything from HF radio to modern cellular modems.
Secure Connectors
N-type male and female connectors provide a robust connection that withstands outdoor conditions.
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4. N Type Arrestor – High-Value Wideband Protection
N Type Lightning Arrestor 0 to 6 GHz
50 Ohm Impedance
N-Male N-Female Connectors
90V Replaceable Tube
Bi-Directional Protection
The N Type Lightning Arrestor offers reliable wideband performance from DC to 6 GHz at a competitive price point. With a 4.7 star rating, it is highly regarded for its ability to protect a wide range of devices including HAM radio equipment, GPS receivers, and cellular boosters against lightning-induced surges.
Pros
- Excellent value for wideband protection
- High user rating
- Compatible with many device types
- Replaceable gas tube
- Easy to install
Cons
- Build quality may vary compared to premium brands
- Requires external grounding cable
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This arrestor uses a 90V gas discharge tube that is replaceable, allowing for continued protection even after a strike. It features very low insertion loss and 50 Ohm impedance, ensuring minimal impact on your signal. The bi-directional protection design means it can safeguard equipment whether the surge comes from the antenna side or the radio side.
While it performs well and has a high user rating, the build quality is generally simpler than higher-priced units. It is important to note that it requires a separate grounding cable to function correctly, which is not included in the purchase. Proper grounding is critical for this device to work as intended.
If you need a cost-effective solution to protect multiple devices across different frequency bands, this arrestor is an excellent choice. It is particularly useful for setups involving cellular boosters and GPS systems where wideband protection is necessary. It offers solid performance for the investment required.
Cost-Effective Protection
Delivers wideband coverage from DC to 6 GHz at a price point that fits most budgets.
Replaceable Tube
Features a replaceable 90V gas discharge tube to ensure long-term reliability after a surge.
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5. XRDS-RF UHF – Ideal for CB and Ham
XRDS-RF UHF Lightning Arrestor
PL-259 Female Female Ends
Less Than 0.4 dB Loss
Brass Nickel Plated Body
DC to 500 MHz Range
The XRDS-RF UHF Lightning Arrestor is specifically tailored for protecting CB, Ham, and two-way radio base antennas. It has a solid 4.6 star rating and is known for its low VSWR and insertion loss, ensuring that your signal quality remains unaffected even when using this inline protector.
Pros
- Perfect for CB and Ham radios
- Low VSWR and insertion loss
- High-quality brass construction
- Easy installation with coax
- Affordable price
Cons
- Limited frequency range to 500 MHz
- Requires external grounding
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Constructed with a brass nickel-plated body and Teflon insulator, this unit offers high durability and stable signal connections. It supports frequencies from DC to 500 MHz, which covers the typical range for most CB and amateur radio operations. The PL-259 female connectors on both sides make it very easy to install with standard coaxial cables.
The main limitation is the frequency range, which caps at 500 MHz. This means it is not suitable for protecting higher frequency devices like LTE boosters or modern WiFi systems. Like other arrestors, it requires an external ground cable to function properly, so plan accordingly for your installation location.
If you operate primarily in the CB or amateur radio bands, this arrestor provides reliable protection without sacrificing signal quality. Its high-quality construction ensures it will last through many weather cycles. It is a straightforward and effective solution for traditional radio enthusiasts.
Low Signal Loss
Maintains signal integrity with less than 0.4 dB insertion loss and VSWR under 1.2.
Quality Materials
Built with brass nickel-plated body and Teflon insulator for durability and stable connections.
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6. Coaxial Lightning Arrester – Durable and Affordable
Coaxial Lightning Arrester UHF Female
SO-239 Female Connectors
Brass Nickel Plated Outer
PTFE Insulator Material
Low Insertion Loss Design
The Coaxial Lightning Arrester with UHF female connectors provides a simple yet effective solution for protecting various radio equipment. With a 4.6 star rating, it is appreciated for its durable brass construction and reliable performance in diverting surges away from sensitive electronics.
Pros
- Flexible and durable construction
- Wide range of compatibility
- High interference immunity
- Easy to install
- Affordable pricing
Cons
- Requires separate grounding cable
- Simple design may lack advanced features
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This unit features a brass nickel-plated outer conductor and PTFE insulating material, which together ensure a long service life even in harsh weather conditions. It is widely compatible with GSM base stations, satellite reception systems, and walkie-talkie setups. The design offers a wide bandwidth with low insertion loss to keep your signal strong.
While it is affordable and durable, it lacks some of the advanced specifications found in higher-end models. It requires a separate ground wire to function correctly, and its design is relatively basic. However, for general protection needs, it offers excellent value and performance.
If you need a budget-friendly protector for a walkie-talkie station or similar device, this arrester is a strong candidate. It is easy to install through an enclosure wall and provides peace of mind against unexpected electrical surges. It is a reliable choice for general use.
Durable Build
Brass nickel-plated outer conductor and PTFE insulator ensure long life and corrosion resistance.
Wide Compatibility
Works well with GSM stations, GPS, and various communication equipment systems.
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7. Workman A28 – Simple and Budget Friendly
Workman A28 Lightning Arrestor
PL-259 Male Female Ends
Ground Screw on Side
Simple Surge Diversion
For CB Ham Antennas
The Workman A28 Lightning Arrestor is one of the most affordable options available for basic surge protection in CB and Ham radio setups. With a 4.5 star rating, it is a no-frills device designed to provide essential safety for your radio equipment against lightning strikes.
Pros
- Very affordable price point
- Includes ground screw for easy connection
- Simple design for quick install
- Fits standard PL-259 connectors
- Essential safety component
Cons
- Minimal feature set
- Basic build quality
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This unit features PL-259 connectors on both ends and a ground screw on the side, making it straightforward to integrate into your existing coaxial setup. It attaches between your radio and antenna to divert dangerous surges safely to ground. The simple design ensures it is easy to install and requires no special tools.
While it is effective for basic needs, it lacks the advanced protection features of higher-end models. The build quality is basic, and it relies on simple mechanics rather than advanced gas discharge tubes. It is a good entry-level option for those who want basic protection without spending much.
If you are looking for a budget-friendly way to add a layer of safety to your CB station, this arrestor is worth considering. It provides the essential function of surge diversion at a minimal cost. It is a practical choice for hobbyists on a tight budget.
Basic Surge Diversion
Provides essential protection by shunting electrical surges to ground between your radio and antenna.
Easy Grounding
Features a side ground screw for convenient and secure connection to your grounding system.
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8. RAIGEN Arrestor – Best for IoT and Cellular
RAIGEN Lightning Arrestor N-Type
0-6 GHz Performance
Replaceable 90V Tube
Less Than 0.1 dB Loss
Ground Lug Included
The RAIGEN Lightning Arrestor is a premium device designed for professional outdoor deployments involving IoT, cellular boosters, and modern WiFi systems. With an impressive 4.8 star rating, it is highly regarded for its ability to protect sensitive electronics like LoRaWAN gateways and off-grid solar nodes.
Pros
- Exceptionally low insertion loss
- Ground lug included
- Great for LoRaWAN and IoT
- Replaceable gas tube
- Professional grade construction
Cons
- Requires external grounding cable
- Higher price than budget options
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This arrestor offers 0-6 GHz performance with less than 0.1 dB insertion loss, ensuring your signal stays strong. It includes a ground lug for proper bonding and features a replaceable 90V gas discharge tube. The weatherproof construction is rated for permanent outdoor mounting, making it ideal for harsh environments.
While it comes at a higher price point, the inclusion of a ground lug and professional-grade build quality justify the cost. It does require a grounding cable to work fully, which is standard for these devices. Its reliability and wideband coverage make it a standout choice for critical infrastructure.
If you are installing devices in remote or industrial settings, this arrestor provides the robust protection needed. It safeguards your investments from unpredictable surges effectively. It is a top-tier choice for modern connectivity setups.
IoT Ready
Protects LoRaWAN gateways, cell boosters, and other IoT devices with wideband 0-6 GHz performance.
Professional Build
Weatherproof construction with included ground lug makes it ideal for permanent outdoor deployments.
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9. Proxicast ProGrade 75 Ohm – Best for TV and Satellite
Proxicast ProGrade 75 Ohm F-Type
75 Ohm Impedance
F-Male Female Connectors
For TV Satellite Antennas
230V Gas Discharge Tube
The Proxicast ProGrade 230V Coaxial Lightning Arrester with F-Type connectors is specifically designed for TV, satellite, and cable internet systems. With a 4.5 star rating, it is a reliable choice for protecting consumer electronics from surges that could disrupt your home entertainment setup.
Pros
- Designed for 75 Ohm systems
- Compatible with TV satellite gear
- Low insertion loss
- Bi-directional protection
- Durable outdoor rating
Cons
- Only suitable for 75 Ohm setups
- Requires external grounding
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This unit features a 75 Ohm impedance which matches standard TV coaxial cables perfectly. It uses a 230V gas discharge tube to shunt damaging surges and lightning energy to ground. The design ensures very low RF insertion loss, so your signal quality remains high across all frequencies.
While it is perfect for TV setups, it is not compatible with 50 Ohm radio equipment. It requires a separate grounding cable to function properly. If you are protecting home theater gear, this is the right model to ensure your devices stay safe.
Homeowners with satellite dishes or cable antennas should consider this arrestor to prevent signal loss and equipment damage. It provides dedicated protection for 75 Ohm systems. It is a practical addition for maintaining uninterrupted home internet and TV service.
TV System Compatibility
Tailored for 75 Ohm systems, making it ideal for protecting TV and satellite antennas.
Signal Integrity
Very low insertion loss ensures your TV and internet signal remains strong and clear.
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10. Diamond SP3000 – Best Premium Antenna Lightning Arrestor
Diamond Antenna SP3000 Lightning Arrester
DC to 3000 MHz Range
200W Power Handling
1000 V Impulse Discharge
N-Type Female Female
The Diamond Antenna SP3000 Lightning Arrester represents the pinnacle of protection for high-power ham radio setups. With an exceptional 4.8 star rating, it is the preferred choice for operators who need to handle significant power levels without risking equipment damage from surges.
Pros
- High power handling capability
- Premium build quality
- Excellent frequency range
- Strong user reputation
- Reliable surge protection
Cons
- Higher price point
- Requires external grounding cable
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This arrester supports DC to 3000 MHz and handles up to 200W of power, making it suitable for high-output transceivers. It features an impulse wave discharge capacity of 1000V to safely divert dangerous energy to ground. Its premium construction ensures longevity and reliable performance even under extreme conditions.
The main drawback is the higher cost compared to basic protectors. However, the durability and power handling make it a worthwhile investment for serious stations. It requires a standard grounding cable to operate effectively, which is a minor consideration for the protection it offers.
If you run high-power operations and demand the best in surge protection, this model is worth the investment. It combines reliability with a wide frequency range. For serious radio operators, it provides the highest level of confidence for their equipment safety.
High Power Handling
Supports up to 200W of power, ideal for high-output amateur radio transceivers.
Premium Construction
Built with robust materials to ensure durability and performance in extreme outdoor conditions.
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Buying Guide – How to Choose the Best Antenna Lightning Arrestor
Choosing the right antenna lightning arrestor requires understanding your equipment needs and installation constraints. This section outlines the critical factors to consider before making a purchase.
Impedance Matching
Ensure the arrestor matches your coaxial cable impedance. Most radio equipment uses 50 Ohms, while TV and satellite systems use 75 Ohms. Mismatched impedance can degrade signal quality and reduce protection effectiveness.
Always verify the impedance rating on the product description to match your existing coax system.
Connector Types
Select a unit with connectors that fit your antenna and radio ports directly. Common types include PL-259 (UHF), N-Type, and F-Type. Using adapters can introduce failure points and increase signal loss.
Choose connectors that allow for a direct connection to maintain integrity and ease of installation.
Frequency Range
Check the frequency range supported by the arrestor. If you use multi-band radios or cellular boosters, ensure the unit covers your specific frequencies. Some arrestors are limited to lower frequencies like CB or HF.
Confirm the operational range covers all your active bands to ensure full protection.
Grounding Requirements
Proper grounding is critical for any arrestor to work. Many models require a separate grounding cable connected to a ground rod. Without proper grounding, the arrestor cannot divert dangerous energy safely.
Always plan for a secure grounding path when purchasing and installing your surge protector.
Insertion Loss
Look for models with low insertion loss to maintain signal strength. High-quality arrestors typically have loss values below 0.5 dB. Excessive loss can weaken your signal and reduce communication range.
Prioritize products that explicitly state low insertion loss in their specifications.
Durability and Build Quality
Outdoor-rated units should have weather-resistant materials like brass or nickel plating. A durable build ensures the unit survives harsh weather conditions over time. Cheap plastic parts may corrode or crack under exposure.
Choose units with metal bodies and UV-resistant ratings for outdoor longevity.
Replaceable Components
Some models feature replaceable gas discharge tubes or surge elements. This allows you to replace just the internal component after a heavy strike rather than the whole unit. It can save money and waste in the long run.
Consider models with replaceable parts if you live in a high-lightning area.
Voltage and Current Ratings
Check the voltage and current discharge capacity to ensure it can handle severe surges. Higher discharge ratings offer better protection for critical equipment. This is especially important for high-power stations or commercial setups.
Opt for higher voltage and amperage ratings for maximum safety margin.
How to Use and Care for Your Antenna Lightning Arrestor
Install the arrestor as close to the entry point of the cable into the building as possible. This ensures that any surge is diverted before it can travel further into your equipment. Keep the grounding cable short and direct to minimize impedance.
Secure the grounding cable to a proper earth ground rod or building ground system. Ensure all connections are tight and corrosion-free. Inspect the grounding system periodically to guarantee reliability during storms.
Regularly inspect the arrestor for signs of corrosion or physical damage. While these units are durable, exposure to the elements can degrade connectors over time. Replace the unit if you notice any degradation or if it has absorbed a major strike.
Frequently Asked Questions
Do antenna lightning arrestors prevent damage from direct strikes?
No, arrestors are designed to divert surges from nearby strikes or induced currents, not direct hits. A direct strike often carries too much energy for typical arrestors. However, they significantly reduce the risk from indirect surges that commonly occur during thunderstorms.
Does the antenna lightning arrestor affect my signal quality?
High-quality arrestors are designed with very low insertion loss to minimize impact on signal quality. Most reputable units maintain signal integrity with loss values under 0.5 dB. This ensures your communication range remains optimal while providing necessary protection.
Do I need to replace the arrestor after a lightning strike?
If the arrestor has a replaceable discharge tube, you may only need to replace that specific component after a strike. Some units have indicators showing they have been triggered. If the unit is basic or shows damage, replace the entire arrester to ensure continued safety.
Can I use a 75 Ohm arrestor for a 50 Ohm radio?
No, you should not use a mismatched impedance arrestor. A 75 Ohm unit on a 50 Ohm system will cause signal reflection and degrade performance. Always select an arrestor with the same impedance rating as your coaxial system and equipment.
Is a separate grounding cable included with most arrestors?
Most antenna lightning arrestors do not include the grounding cable in the box. They require a separate wire connected to a ground rod. Be sure to purchase a heavy-gauge grounding cable separately to ensure effective protection.
What is the lifespan of an antenna lightning arrestor?
With proper installation and maintenance, a quality arrestor can last many years. However, exposure to extreme weather or repeated minor surges can degrade components over time. Inspect the unit annually and replace it if you notice physical damage or corrosion.
Final Thoughts on Choosing the Best Antenna Lightning Arrestor
In conclusion, protecting your radio equipment with a quality antenna lightning arrestor is a wise investment. Our top picks like the Proxicast ProGrade and Diamond SP models offer reliable protection for various setups and budgets.
Prioritize matching your system impedance and ensuring proper grounding to maximize the effectiveness of any arrestor. While prices and availability vary, the peace of mind provided by surge protection is invaluable.
Always check current product details and prices before purchasing as these may change. By choosing the right model for your needs, you can enjoy your hobby without worrying about storm damage to your gear.