3MHz–4GHz 35dB LNA Amplifier Low Noise Amplifier (without Battery) + Type-C Cable for SDR Shortwave

3MHz–4GHz 35dB LNA Amplifier Low Noise Amplifier (without Battery) + Type-C Cable for SDR Shortwave

Description:
The 3MHz–4GHz 35dB LNA is designed for SDR, shortwave, FM radio, and related frequency bands.

This amplifier is equipped with a 4056 lithium battery charging module and features a power switch. Users can install a 3.7V lithium battery themselves.

Furthermore, the module comes with a shielding case.

Specifications:
* Bandwidth: 3MHz–4GHz
* Gain: 35dB (typical)
* Power Supply: 5V 1A (typically via phone charger)
* Noise Figure: <1.2dB (typical)
* Input/Output Impedance: 50Ω
* Maximum Output Power: 20mW
* Connector: SMA Female
* Enclosure Dimensions: 45 × 45 × 18.5 mm (excluding connectors)

Attention:
* Ensure the input (RFin) and output (RFout) ports are connected first, and only then connect the DC power supply.
* When supplying DC power to the module, make sure the positive and negative terminals are connected correctly. Do not reverse the polarity, as this can damage the module!

Packing List:
* 1 x Low Noise Amplifier
* 1 x Type-C Cable
    
Packaging Details:
* G.W.: 0.22kg