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LNA Wide Band 50-4000Mhz RTL-SDR RTL-SDR.com SDR accessory RTLSDR-LNA2-WIDEBAND-764 View larger
LNA Wide Band 50-4000Mhz RTL-SDR RTL-SDR.com SDR accessory RTLSDR-LNA2-WIDEBAND-764
RTL-SDR.com

RTLSDR-LNA2-WIDEBAND-764

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LNA Wide Band 100-6000 MHz RTL-SDR V2 QPL9547

rating Read the 6 reviews
Average rating: 5/5 Number of reviews: 6

This wide-band LNA RTL-SDR V2 preamp improves reception performance from 100 MHz to 6 GHz, it is based on QPL9547, with a noise factor of less than 1 dB.

  • Frequency: 100 MHz to 6000 MHz
  • Based on the QPL9547 chip
  • Gain: 15-20 dB
  • Noise factor: ~1 dB
  • Power supply: 3 - 5V via Bias-T
  • Consumption: 150 mA max.
  • RF IN: To the antenna
  • RF OUT +5V: To SDR receiver
  • Case: Aluminum
  • Dimensions: 46.5 x 32 x 15.6 mm (without SMA) - With SMA: 69.8 x 32 x 15.6 mm

This LNA is designed to be powered by BIAS-T with a power supply of 3 to 5V. The RTL-SDR V3 dongle, V4, V4L has a Bias-T function that provides 4.5V and is ideally suited.

It is possible to feed this LNA live with an external power supply, but you will not be able to use the box in this case.

Delivered with: 1 RTL-SDR LNA WIDEBAND V2, 1 male SMA adapter SMA male, 1 aluminum case.

28,89 € tax excl.

29,78 €

Out of stock, available within 1 month

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Reviews

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rating 5
schmitz thierry /F1MCF
03/05/2026
Chinois mais bon
Petit preampli de réception à utiliser derrière une antenne par exemple discone pour améliorer la réception SDR mais attention à la saturation du SDR donc bien gérer le gain, gros avantage il est alimenté par le coax.
rating 5
Dan
24/11/2024
everything is fine
Ok
rating 5
Jonathan
02/04/2024
Works great
Used with the RTL-SDR v4 and its dipole antenna, got near-perfect reception of NOAA APT images.
rating 5
Serge Germé/Fm5dr
06/09/2023
Preampli large bande
Tout est OK. R.A.S.
rating 5
Juju
15/02/2023
excellent
augmente fortement le gain sur la bande VHF et UHF. Fonctionne parfaitement avec le RTL-SDR v3 (auto alimenté par bias T)
rating 5
F1MCF
19/01/2023
PREAMPLI
Parfait pour mon antenne 137Mhz NOAA, remis dans un boitier étanche pour extérieur, livraison rapide. Bon rapport qualité/prix

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