434Mhz Filtered and Preamp (HABAmp) UHF

434Mhz Filtered and Preamp (HABAmp) UHF
434Mhz Filtered and Preamp (HABAmp) UHF 434Mhz Filtered and Preamp (HABAmp) UHF 434Mhz Filtered and Preamp (HABAmp) UHF 434Mhz Filtered and Preamp (HABAmp) UHF 434Mhz Filtered and Preamp (HABAmp) UHF
Brand: Giga
Product Code: HABAMP434MHZBPF
Availability: 2
Price: R1,485.00
Ex Tax: R1,485.00
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434Mhz Filtered and Preamp (HABAmp) UHF

Uputronics filtered preamps for improved HAB reception on 434Mhz.

This is a cost effective SAW based unit which give excellent performance gains. 


This preamps are compatible with most USB SDR Dongles such as the RTL USB, Airspy, Fun Cube. You can power them from either bias tee (This item is 100% compatible with the Airspy bias-tee) or a simple USB minicable (Not Supplied). Bias tee/USB voltage is 5V max unless the optional (see related items) LNA kit is fitted which takes it to 26V.


This unit is a small filter and preamp designed to go between a software defined radio receiver and an antenna. Using a SAW bandpass filter and a low noise amplifier (LNA), it stops out of band intermodulation while providing additional gain for increased sensitivity. The LNA is before the SAW filter. This particular model is tuned for use with 434Mhz.

The LNA used is a MiniCircuits PSA4-5043+ which provides at least 19dB of gain @ 434Mhz. To stop out of band intermodulation an 434Mhz SAW bandpass filter, which has a 15MHz bandwidth is also present. The insertion loss of this filter is approximately 2.3dB, which does increase the overall noise figure of the unit to 0.75dB.  Connectors are SMA female both sides.

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