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FOR FULL SPECIFICATIONS AND DETAILS, PLEASE REVIEW THE PRODUCT PAGE AT NOOELEC.COM
LaNA HF is a very high performance, wideband and linear LNA module designed for SDR applications in the HF band and adjacent bands. Power consumption is less than 30mA.
LaNA HF greatly improves performance when used with Ham It Up upconverters, direct sampling SDRs, and most HF-capable radios and rigs!
Each module allows for 3 different power options, but you should only power with one option at any given time! The recommended power input through the SMA output port (for bias-tee capable SDRs like the NESDR SMArTee) is 4.5V-5V DC. Alternatively, if you don't have a bias-tee capable SDR, you can use the external power options--the microUSB port, or the power input header. The recommended external power input is 4.0V-5.5V DC.
Though there is protection circuitry on LaNA HF for overvoltage conditions--and voltages of up to 12V DC should still work and will not damage the device--it is not recommended for long-term usage. Kindly note that damage resulting from overvoltage conditions would not be covered under the standard warranty.
Each LaNA HF module has an EMI shield to protect the sensitive circuitry from external interference and is fully ESD-protected. LaNA HF also has an RF limiter at the input port to protect the amplifier from very high power external signals.
stacy mitchell
Reviewed in the United States on February 25, 2025
This amp does nothing except attenuate the RF line and, there is no difference between it being powered or not (tried bias-tee, USB and a battery pack(3 AA batteries)), I get almost no signal through this amp. Again powering this amp does nothing, no noise floor change or anything.What is does:* High attenuation on all frequencies* Has a lightI cut the USB to barrel jack adapter it came with to hard wire it so I can not return it.... :(
Richard Carver
Reviewed in the United States on January 8, 2025
Connect this to a 9:1 balun and a long wire and be ready to be amazed. You need to place this at the antenna else you are also amplifying the noise on the line. Very happy. Going to make a specialized helical antenna for satellites. I am anxious.
Diane P
Reviewed in the United States on January 27, 2025
Works well. Easy to interface.
GMG
Reviewed in the United States on April 11, 2025
I’m not into the SDR fad although I’ve used a few just to see what all the jabber is about, so this is a radio reception only review.This tiny unit does boost signals as advertised, but it is not low noise ( understanding that there is always a noise boost with the signal ). It’s almost as if they designed it to magnify noise as well.Beware of manufacturers that sell boosters AND noise reduction products.
Brian M. Howard
Reviewed in the United States on July 15, 2024
I have a shortwave radio and use this LNA between it and my wire antenna. It's nice that it can be powered via a USB plug since my radio doesn't have any way to power the device itself. An old phone charger or connecting it to my PC for power works just fine. I will be buying a rechargeable battery to power it for portable use very soon.My reception has been dramatically improved with this LNA and it doesn't raise the noise floor nearly as much as a cheap no-name LNA that I had been using did. I highly recommend this unit if you're looking for a quality LNA for HF. I have not tried it above 30 MHz so I can't speak for how well it works in the full frequency range that it claims to work for but for 30 MHz and below it works great.
Steven Hageman
Reviewed in the United States on June 19, 2024
Nooelec makes good products. I tested this for gain, match and max power and it meets all specs. The inside is well made and the amplifier is placed inside a shielded box inside of the extruded exterior enclosure.Additionally it has over-voltage protection on the input and output and back to back diodes on the input. As you can see from the S21 gain plots attached it has quite a bit of gain out to 4 GHz. Well done and I would buy again.
Dean
Reviewed in the United States on May 1, 2024
Looking to build my own, the quality integrated circuits use for RF amplification are horrendously expensive. I checked out some YouTube videos showing the circuitry of this device and decided to give it a try.This is the HF model, it works much better than the three or four terminal chip ones costing $5-$6, and it has a much lower noise floor.I did build a high pass filter with a cutoff frequency around 2Mhz to use before the LNA to cut most of the industrial noise in my area. So I recommend including a similar filter if you decide to purchase this unit.Because of the high gain, I had to adjust the gain of my receiver (RSP1a), however I had heard of people to have good success using an attenuator between the LNA and receiver.Do I feel that it was a good purchase? Noisy atmospheric days not so much, Good listening days are great.Edit: Although the high pass filter worked to cut the machine motor noise in my area by blocking everything below 2 Mhz, I have incorporated another low pass filter that blocks everything above 40 Mhz, effectively making a band pass filter. I had not expected the outcome to be so impressive, but if you're having trouble with noise, this worked for me.
air-scan
Reviewed in the United States on September 5, 2023
The Pros vs Cons:Cons: This low noise amplifier has a major overloading problem that causes FM broadcast breakthroughs all over the shortwave band. Not supposed to be happening. Resilience if important when dealing with strong signal overloading. I think Nooelec should have gone the extra mile by integrating a FM/MW notch filter circuit.Pros: I can clearly see HF signals albeit weak on a 17 inch antenna I used for testing the LNA. Signals were received from 40m to all the way up through 150MHz. I didn't expect much from a 17 inch antenna but it showed the Lana HF's potential. It worked really well on the VHF aviation and 2m amateur bands.I only recommend it if you own an external MW/FM notch filter. It works well.
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