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HiLetgo 0.1-2000MHz RF WideBand Amplifier 30dB High Gain Low Noise LNA Amplifier

4.0 4.0 out of 5 stars 391 ratings

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Purchase options and add-ons

Voltage 8 Volts, 10 Volts
Manufacturer HiLetgo
Brand HiLetgo

About this item

  • 0.1-2000MHz RF Wide Band Amplifier
  • Power supply voltage: 9-12 VDC
  • High Gain Low Noise LNA Amplifier
  • Maximum power output+13dBm 20mW
  • It's low in properties can be a perfect match various circuits as ideal amplifier buffer amplifiers.
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HiLetgo 0.1-2000MHz RF WideBand Amplifier 30dB High Gain Low Noise LNA Amplifier
HiLetgo 0.1-2000MHz RF WideBand Amplifier 30dB High Gain Low Noise LNA Amplifier
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Price$10.99$29.95$59.95$84.95$19.95$29.95
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Monday, Apr 1
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Sold By
HiLetgo
Nooelec
Nooelec
Nooelec
RTL-SDR Blog
Nooelec
voltage
10.0 volts, 8.0 volts
5 volts
5 volts
5 volts of direct current
5 volts
5 volts
mounting type
Surface Mount
Surface Mount
Surface Mount
Surface Mount
Surface Mount

Product Description

Features:
-This product with wide frequency range, high gain, low noise figure
-This product can be applied to various rf receive front-end and increases communication distance
-Used for Short wave, FM radio, remote control receiver, such as cable TV signal amplifier need low noise rf signal amplification

Specifications:
Operating frequency0.1-2000MHz
Amplifier gain
F=0.1MHz, gain=32dB
F=500Mhz, gain=31dB
F=1000MHz, gain=29dB
F=1500Mhz, gain=25dB
F=2000MHz, gain=20dB
Maximum power output+10dBm 10mW
Power supply voltage: 9-12 VDC
System impedance50

Tips:
1.When working frequency is less than 500 MHZit get well gain flatness, can make it less than 1dB after careful adjustment. The lower frequency the higher gain consistency.
2.Amplifier working frequency of the lower limit is subject to input and output capacitor, the default value is 0.1 uF, working to 0.1 MHz. Increase the input and output capacitance appropriately, can extend the cut-off frequency, such as 10uF capacitance can work to 5KHz.
3.When the power supply voltage changes in 5-8 v, it can be used as a variable gain amplifier, gain increases with the increase of the power supply voltage, which suitable for radio frequency receive front-end circuit, using DA control power supply voltage, to control the gain of the amplifier, automatic gain control
4.When the power supply voltage in the 8-10 v, the low frequency end gain up to 30 db, at this time the amplifier has a low noise coefficient and good stability.
5.When the voltage is 12 v, reach maximum gain, the low frequency end gain of 32.5 dB.

Package included:
1 * 0.1-2000MHz RF Wide Band Amplifier Module 30dB High Gain

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Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.
Product Warranty: For warranty information about this product, please click here

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HiLetgo 0.1-2000MHz RF WideBand Amplifier 30dB High Gain Low Noise LNA Amplifier


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Customer reviews

4 out of 5 stars
4 out of 5
391 global ratings

Customers say

Customers like the value of the electronic component amplifier. They say it is excellent value for money. However, some customers disagree on quality and noise.

AI-generated from the text of customer reviews

15 customers mention15 positive0 negative

Customers appreciate the value of the electronic component amplifier. They say it is an excellent value for the money, and is a good buy.

"This amplifier is good value for the price. Noise levels are acceptable. Some shielding with copper clad pc board helps...." Read more

"Unit not expensive-specs don't come out like lab LNAs but price is lot less. For everyday needs - critical uses seems OK." Read more

"...The price after adding trim potentiometers is still very cheap an a good buy." Read more

"...It's cheap, but it's still very meh." Read more

4 customers mention4 positive0 negative

Customers like the versatility of the electronic component amplifier. For example, they mention it's a great addition to SDR receivers, and can be used with SDR kits and anything else in the bandwidth.

"For what they are, they are great for SDR. Had a problem w/ one of the two received. Replaced w/o any issues. 9VDC is the optimal input...." Read more

"I use this amp for all sorts of RF projects. Can be used with SDR, and also anything else in the bandwidth." Read more

"...A great addition to my SDR receivers." Read more

"Great addition to your SDR kit!..." Read more

75 customers mention47 positive28 negative

Customers are mixed about the quality of the electronic component amplifier. Some mention that it works pretty well, and is pleased with the results. They say it works well as a signal amplifier at 1090 MHz and 1 GHz. However, others say that it was not up to par and not good for their TV application. The Bode plot showed no appreciable gain across the spectrum.

"...One day I decided to do some empirical tests, and WOW! This amp is fantastic, better than the "fancy" one with the shielded chip!...." Read more

"...It does work and we saw the spectrum analyzer (several feet away) increase by several dBm when the amplifier was introduced to the circuit." Read more

"...The Bode plot showed no appreciable gain across the spectrum. I get the same response from the amplifier whether power was applied or not...." Read more

"...This works very well. Considering purchasing a few more. I am also using one for my FM receiver...." Read more

42 customers mention24 positive18 negative

Customers are mixed about the noise of the electronic component amplifier. Some mention that it amplifies both signal and noise, while others say that it makes their signal worse. They also mention that the bandwidth is very exaggerated, and the coverage decreases significantly.

"...The MFJ now cancels all of the noise from my immediate neighbor's house almost totally...." Read more

"...Well it actually makes my signal worse when i put it in between my feedline and the hackRF no matter what settings i use for either device...." Read more

"Good wideband amplifier" Read more

"...It seems do reasonably well in keeping noise low and amplification is adequate to work with my loop antenna...." Read more

Gain not as advertised
2 Stars
Gain not as advertised
I bought this amp for use on digital TV but didn't get the performance I thought I should get. I used a 9V battery for power. The first plot is for the low band 170-220 MHz. The red trace is without the amp and the green trace is with the amp showing gain is 25dB+ across the band. The second plot is for the high band 495-540 MHz. The purple trace is without the amp and the green is with the amp. The gain on the first channel at 500+ Mhz is approx. 27 dB but degrades after that with the noise level increasing so much as to mask the signal. It is probably OK for signals below 200 MHz like FM broadcast but not good fro my TV applicatioon.
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Top reviews from the United States

Reviewed in the United States on November 11, 2019
One person found this helpful
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Reviewed in the United States on February 8, 2024
Reviewed in the United States on February 26, 2024
Reviewed in the United States on October 9, 2021
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1.0 out of 5 stars Optimism Fail
Reviewed in the United States on October 9, 2021
I am usually skeptical of negative reviews but I had high hopes for this amplifier even though my optimism was not deserved. I needed a small preamp for a shortwave receiver I am building. I have already built my own preamplifier but I wanted to purchase a commercial one to compare my homebrew one against. I soldered power wires onto the board and hooked it up to my oscilloscope and tracking generator and swept from 0 to 30 MHz. The Bode plot showed no appreciable gain across the spectrum. I get the same response from the amplifier whether power was applied or not. Looking at the power output of my lab grade power supply, it showed it was consuming 0.00 watts. It should show even a small amount of power being consumed. The power supply can show the power usage all the way down to a 100th of a watt. Seeing no power being used was a very bad sign. Next I pulled out my magnifying glasses and started probing around on the board. There are a total of 6 components on the board (excluding the SMA connectors). When I touched the IC in the middle, it wiggled. I inspected it further and saw that the right hand side was not soldered to the board. I pulled out my soldering iron and reflowed solder on all the ICs pins and the other 5 components as well. I really thought that was going to fix it but nope, still no gain. It is possible that I just got a bad one and maybe others will have better luck, but I am a little disappointed to say the least. I don't even feel like dealing with the hassle of trying to return it. I will just accept the loss and see it as a fun little $10 experiment on a Saturday morning.
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8 people found this helpful
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Reviewed in the United States on January 20, 2024
Reviewed in the United States on August 10, 2022
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KP
2.0 out of 5 stars Be prepare to make some repair, poor QC
Reviewed in the United States on August 10, 2022
I got this from Amazon warehouse deal. The device was dead on arrival. I have two points here,

- There seems zero quality control at mfg level. I spend good amount of time figuring out why this is not working. turned out, there was a wrong resistor (2200 ohm instead 220 ohm) placed in the circuit. So, basically it was not getting enough supply to operate. See the picture. There seems to be one more review with similar issue so seems like a whole batch may have this issue.

- Amazon should not resell such returned item without proper testing. For Electronics, physical inspection is not enough and I am sure the buyer who returned this before must have returned with not working status, so why it was sent to me without testing first. The new item should not need repair to start working out of the box.

After putting 4.5v supply bypassing the resistor, the amplifier started working well. It seems do reasonably well in keeping noise low and amplification is adequate to work with my loop antenna.

If you are buying this item, I recommend to inspect thoroughly before powering up.
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7 people found this helpful
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Reviewed in the United States on February 17, 2019
17 people found this helpful
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Reviewed in the United States on February 25, 2021
One person found this helpful
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Top reviews from other countries

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Ambika P.
1.0 out of 5 stars Defective product
Reviewed in India on April 4, 2023
Amazon Customer
1.0 out of 5 stars Dead on Arrival
Reviewed in Canada on January 11, 2021
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Amazon Customer
1.0 out of 5 stars Dead on Arrival
Reviewed in Canada on January 11, 2021
This LNA works as a huge attenuator instead of an amplifier as you can see in the comparison between WITH and WITHOUT the LNA in the pictures.
I tried it with my RTL-SDR dongle first then FT-736R and FT-1000MP Mark-V from LW to 1.2GHz.
If you are planning to buy one of these, think again.
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One person found this helpful
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Zafferani
5.0 out of 5 stars prodotto molto valido preamplificatore d'antenna per le HF validissimo.
Reviewed in Italy on September 7, 2019
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Zafferani
5.0 out of 5 stars prodotto molto valido preamplificatore d'antenna per le HF validissimo.
Reviewed in Italy on September 7, 2019
Prodotto usato come preamplificatore HF in un ricevitore FT-277 che normalmente non ha di preamplificazione. Segnali passano da 3 a 8 e basso rumore di fondo. Consigliato. Pilotato con alimentazione tramite potenziometro da 500 ohm in serie è possibile variare il livello di amplificazione ma non solo, diminuendo la tensione si ottiene una attenuazione del segnale in ingresso. In pratica variando la tensione si passa in continuità da amplificatore ad attestature. Occhio alla schermatura, è facile ottenere inneschi a motivo dell'elevato fattore di amplificazione. Io l'ho chiuso completamente in una scatoletta di lamierino completamente saldata. Allego toto del montaggio e della scatoletta variatore di tensione.
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One person found this helpful
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unkledysfunktional
5.0 out of 5 stars AT LAST one that works
Reviewed in the United Kingdom on April 13, 2019
Judd West
2.0 out of 5 stars Works as described, but isn't very useful
Reviewed in Australia on December 18, 2020