Canceller QRM Bands DIY Finished Board X-Phase 1-30 MHz Band with PTT Control for Ham Radio _x000D_ Features: _x000D_ _x000D_ OOTDTY _x000D_ new and high quality _x000D_ Say goodbye to unwanted signals with our 1~30 MHz High-Frequency Noise Canceller Board the solution for crystal-clear radio communication. _x000D_ Made of high-quality plastic, our noise canceller board eliminates QRM from your to antenna feeder without any additional modifications to your radio. It comes with built-in PTT control that keeps the connection active during transmission. _x000D_ Our product is perfect for amateur radio enthusiasts, HAM radio operators, and anyone who needs to eliminate unwanted signals from their radio communication. _x000D_ Whether you're broadcasting from your home or out in the field, this noise canceller board is must-have. It's for use in areas with high levels of such as environments or areas near power lines. _x000D_ With its innovative design and easy installation process, our noise canceller board will revolutionize the way you communicate over the airwaves. Keywords: radio communication, noise canceller, QRM _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Material: Plastic _x000D_ PCB :73x85x1.6mm _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 QRM _x000D_ _x000D_ _x000D_ Note: _x000D_ Please allow little errors due to manual measurement. _x000D_ Due to the difference between different monitors, the pictures may not reflect the actual color of the item. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_