434 MHz Filter/Preamp
915 MHz Filter/Preamp $52.95
z(DISCONTINUED) 145 MHz Filter/Preamp $59.95
UPUFP434s

434 MHz Filter/Preamp

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$52.95

Uputronics filtered preamps for improved reception on 434 Mhz.

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

All Uputronics preamps are compatible with most USB SDR Dongles such as the Airspy. You can power them from either bias tee (This item is 100% compatible with the Airspy bias-tee) or a simple USB minicable (Purchased separately). Bias tee/USB voltage is 5V max.

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. To block strong commercial FM signals a high pass filter is installed before the LNA.

The LNA used is a MiniCircuits PSA4-5043+ which provides at least 19dB of gain. To stop out of band intermodulation a 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.

The connectors on both input and output are SMA Female. The external power connector is a USB-C and this revision has a power LED.

Datasheets:
https://store.uputronics.com/files/HAB-FPA_Datasheet_Latest.pdf



Mechanical diagram:
https://store.uputronics.com/files/LNAMechcanicalDiagramV2.pdf

SKU: UPU-FP434s Category: Tags: , , , , , ,
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Additional information

Weight 3.9 oz

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Airspy Warranty

Airspy warranty is limited to 1 year from the date of delivery for purchased units that fail under normal operating conditions. Airspy units will be repaired at a price of $50.00 plus $10.00 shipping/handling. Normal operating conditions do not include excessive mechanical stresses due to mishandling, dropping, or bending; mechanical or electrical modifications; Electro-Static Discharge (ESD); excessive RF signals; excessive thermal stresses due to improper ventilation or cooling, submersion in any fluid; and any unauthorized repairs.
All warranty claims will be determined by Airspy or their representatives.

Accessory Warranty (except Filter/preamp)

Accessory warranty (except Filter/Preamp) is limited to 90 days from the date of delivery for accessories that fail under normal operating conditions. The warranty is limited to electrical failiure. Physical damage is specifically excluded unless such damage arises from normal use. Antennas are generally considered ‘disposable items’, although very limited warranties may be honored. All warranty cases will be determined by Airspy.US for these items. Contact us for any warranty claims.

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