SWL Shortwave Listening Amplifier with 0-30dB Adjustable Gain HF Receiver Preamp for HAM Radio & SWL Shortwave Listening

Semi-finishedproduct : No Battery Included : no High-concerned chemical : none DIY Supplies : Electrical Brand Name : APWIKOGER Origin : Mainland China Certification : NONE Shortwave Tuned Filter Amplifier : 3-30MHz HF Preamplifier HAM Radio Shortwave Preamp : SWL Shortwave Listening Amplifier HF Receiver Preamp : Low Noise Preamplifier Shell material : ABS Product size : about 104*63*36mm,4.09x2.48x1.42(inch)

Shortwave Tuned Filter Amplifier with 0-30dB Adjustable Gain SWL Shortwave Listening Amplifier Transmit & Bypass Modes for HAM Radio & SWL Shortwave Listening Features: 1. Versatile Performance:This shortwave tuned filter amplifier features an adjustable bandpass filter with a center frequency covering 3-30MHz. Enjoy precise signal selection and improved clarity for your radio projects with the integrated for shortwave tuned filter amplifier. 2. Optimized Signal Reception:The 3-30mhz hf preamplifier allows you to fine-tune both the filter and the gain, achieving up to 30dB of amplification. Only your desired frequency is passed while adjacent signals are attenuated for cleaner reception. 3. HAM Compatibility:Designed for seamless integration with HAM radio systems, the ham radio shortwave preamp offers BNC female connectors for stable connectivity. Switch between receive and transmit using the built-in relay or PTT signal line. 4. Enhanced Shortwave Experience:Excellent for swl shortwave listening amplifier applications, the tunable narrow band filter delivers about 1MHz bandwidth precision. Fine tune your target frequency for outstanding listening quality. 5. Flexible Setup:The hf receiver preamp supports 12V or 13.8V linear DC power and ensures safe under recommended voltage and current. Tune, amplify, and control gain easily for optimal results in diverse radio setups. Specification: Origin: Mainland China Shell material: ABS Product size: about 104*63*36mm Product size:4.09x2.48x1.42(inch) Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring.

1 x Shortwave Tuned Filter Amplifier  label:yes