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Power Limiter for RF Explorer

4.6 4.6 out of 5 stars 36 ratings
$58.99
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Get $10 off instantly: Pay $48.99 $58.99 upon approval for the Amazon Store Card. No annual fee.
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Purchase options and add-ons

Brand SeeedStudio
Material Aluminum, Brass
Item dimensions L x W x H 1.97 x 1.18 x 0.79 inches
Item Weight 1.28 ounces
UPC 701748879117 752128120794 692179228318 713141294398 752503154260 841454104872 701017465744 720405487311 See more

About this item

  • Frequency range: DC ~ 3.0 GHz. DC block: +16V DC. Input Power rating: 1 Watt (+30dBm). Output power max: +4 dBm. Attenuation: 6 dB. Impedance (Nominal): 50¦¸. V.S.W.R (Max): 1.25 : 1. Connector type: SMA male ¨C female.
  • Connector: Brass / Gold plating. Body: Aluminum.
› See more product details

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Product Description

The RF Explorer Power Limiter is a custom device designed from scratch to be the perfect protection against strong RF fields.

As you can see on this note?all RF Explorer models have some power ranges for input signal beyond which can be damaged. For most models, the limit is on +5dBm, some others are ok up to +10dBm but only WSUB3G (as well as the RF SMA connector on the right side in a 3G Combo) is protected up to +30dBm.

The new RF Explorer Power Limiter will allow any RF Explorer model to be protected with external signals up to +30dBm (1 Watt), so you get the same level of protection as in the WSUB3G. Furthermore, the power limiter includes additional functionality inside that will otherwise require external devices increasing cost and size:

Power limiter: protection up to +30dBm, for any frequency range between DC-3000Mhz

DC block: You can connect any external DC source up to 16V with no risk of damaging your RF Explorer or interfering in your measurement.

Attenuator: Includes an internal 6dB attenuator to help you extend the range of power signal measurements. 6dB attenuation means only ? of the input power is received by the unit. To compensate for this extra attenuation you should indicate OffsetDB:+006 in the ATTENUATOR MENU of your RF Explorer.

The Power Limiter is assembled in a rugged aluminum case and it is very compact when compared to other market offerings, not to mention it includes internal DC block and attenuator which makes it a really small device for what it offers.

Specification:

- Frequency range: DC ~ 3.0 GHz
- DC block: +16V DC
- Input Power rating: 1 Watt (+30dBm)
- Output power max: +4 dBm.
- Attenuation: 6 dB
- Impedance (Nominal): 50¦¸
- V.S.W.R (Max): 1.25 : 1
- Connector type: SMA male ¨C female
- Connector: Brass / Gold plating
- Body: Aluminum

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Product information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Product Warranty: For warranty information about this product, please click here

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Customer reviews

4.6 out of 5 stars
36 global ratings

Customers say

Customers like the functionality, protection level, and build quality of the electromechanical gauge. They mention it works well, is excellent for its intended application, and protects the RF Explorer from DC and high power RF signals.

AI-generated from the text of customer reviews

Select to learn more
FunctionalityProtection levelBuild quality
4 customers mention "Functionality"4 positive0 negative

Customers are satisfied with the functionality of the product. They mention it works well and is excellent for its intended application.

"Not much to say but it works quite well for keeping that extra RF from creating intermod when scanning multiple frequencies...." Read more

"Works as expected. Size is a bit large in comparison to the Explorer." Read more

"great device" Read more

"Works as advertised. Arrived as promised." Read more

4 customers mention "Protection level"4 positive0 negative

Customers are satisfied with the protection level of the product. They mention it will fully protect your RF receiver input from damage, and provide good value to protect your RF Explorer from DC and high power RF signals.

"Provides 1W RF protection for the RF Explorer, should you be operating in an environment with unknown power levels running around...." Read more

"I am happy with this device, it will fully protect your rf receiver input from damage." Read more

"Good value to protect your RF Explorer from DC and high power RF signals..." Read more

"Protecting explorer from overloading..." Read more

3 customers mention "Build quality"3 positive0 negative

Customers are satisfied with the gauge's build quality. They mention it's well-constructed with solid connectors.

"...Well-constructed with solid connectors." Read more

"Have not had a chance to use it yet, but the build looks exceptional." Read more

"Good value, well built" Read more

Top reviews from the United States

Nick Carrigan
5.0 out of 5 stars Excellent for its intended application
Reviewed in the United States on April 3, 2017
Verified Purchase
Not much to say but it works quite well for keeping that extra RF from creating intermod when scanning multiple frequencies. I usually leave my scanner recording all day while I'm at work, so this helps to prevent those false hits. Well-constructed with solid connectors.
5 people found this helpful
Helpful
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Charlie
4.0 out of 5 stars Four Stars
Reviewed in the United States on October 1, 2015
Verified Purchase
Works as expected. Size is a bit large in comparison to the Explorer.
One person found this helpful
Helpful
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Hephaestus01
5.0 out of 5 stars Nice power limiter for RF Explorer
Reviewed in the United States on June 27, 2021
Verified Purchase
Provides 1W RF protection for the RF Explorer, should you be operating in an environment with unknown power levels running around. Just remember to set your dB offset to +6 when using it.
Helpful
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JH
5.0 out of 5 stars Protect your RF Explorer
Reviewed in the United States on October 18, 2018
Verified Purchase
Have not had a chance to use it yet, but the build looks exceptional.
Helpful
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James Morris
5.0 out of 5 stars Five Stars
Reviewed in the United States on April 30, 2018
Verified Purchase
great device
One person found this helpful
Helpful
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marpuff
4.0 out of 5 stars rf overdrive protection
Reviewed in the United States on May 30, 2020
Verified Purchase
I am happy with this device, it will fully protect your rf receiver input from damage.
Helpful
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Gary nelson
5.0 out of 5 stars Good value to protect your RF Explorer from DC and high power RF signals
Reviewed in the United States on January 6, 2018
Verified Purchase
Good value, well built
2 people found this helpful
Helpful
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Top reviews from other countries

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Croc
4.0 out of 5 stars Power Limiter RF Explorers
Reviewed in France on April 9, 2019
Verified Purchase
Article conforme et utile dans certaines conditions de mesure.
Tarif excessif malheureusement. Comme souvent pour les accessoires RF Explorer.
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M1nd
5.0 out of 5 stars Essential for RF Explorer owners
Reviewed in the United Kingdom on August 14, 2018
Verified Purchase
An essential purchase for RF Explorer handheld spectrum analyser owners. Gives me real peace of mind when using mine. If you read advice on the RF Explorer website you could fry the front end if there is any strong RF source nearby, even your mobile phone. This power limiter makes that very, very much less likely.
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