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LNA 50-4000MHz SPF5189 RF Amplifier Signal Receiver For FM HF VHF / UHF Ham Radio US$8.03 US$7.76 View It

Overall:

Ynina 29/05/2018

High-quality amplifier. I use it to increase the transmitter power of rc aircraft models, which have a small power. For example, when the transmitter power is 1 to 5 milliwatts at a frequency of 2.4 GHz. This signal amplifier increases the distance of confident reception by two to three times. But for the good performance of this signal amplifier, you connect a supply voltage of at least 6.3 volts. In this case, the amplifier does not distort the signal.

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