Ultra Low Noise Amplifier 10 MHz to 4000 MHz

Regular price $39.00


This is an ultra low noise RF amplifier that provides excellent gain and noise figure. The LNA can be used in a number of different receiver applications such as Ham Radio, Software radio, TV reception, etc. The product is ideally suited as a pre-amplifier for software radio products such as RTL-SDR, HackRF, USRP, etc. where the USB power supply means you can power it off your laptop. The noise figure of this LNA is only 0.65 dB at 100 MHz.

Note: As of October 2023, we are shipping version 2 of this LNA that has placeholders for both input and output bias tee inductors.



  • Wideband LNA operates from 10 MHz to 4 GHz
  • Suitable for use with software radio receivers such as HackRF, BladeRF, RTL-SDR, USRPx, etc.
  • 0.65 dB Noise Figure at 100 MHz
  • LED power indicator
  • SMA-F connectors
  • USB powered (cable not included)



Frequency      Gain

10 MHz           18 dB

100 MHz          23 dB

1 GHz              18 dB

2 GHz              12 dB

3 GHz                8 dB

4 GHz                5 dB

Output IP3 

+32 dBm

Maximum RF Input Power

+17 dBm

Noise Figure

0.65 dB @ 100 MHz