Features Adjustable Phase Angle Control - Tailor the phase angle and gain to effectively eliminate unwanted signals, enhancing your reception and overall performance Built-In PTT Control - Ensure a stable and efficient connection during transmission, facilitating seamless communication without interruptions Easy Installation - Simply insert the signal canceller into the feeder without any modifications to your radio, making setup quick and hassle-free User-Friendly Dial Adjustment - Featuring a dial and knob pointer, effortlessly fine-tune your settings by rotating the knob for precise control Durable Aluminium Alloy Shell - Constructed from sturdy, wear-resistant material, ensuring long-lasting durability and reliability for extended use Features: 1、Can adjust the phase angle and gain to eliminate unwanted signals before they get to the front end of the receiver. 2、The built？in PTT control can maintain the stable and efficient connection status of the silencer during transmission. 3、You can insert the QRM signal canceller into the feeder without any additional modification to the radio, very easy. 4、Comes with dial and knob pointer, the QRM signal silencer allows for simple adjustment by rotating the the knob. 5、The aluminium alloy shell is very sturdy and wear？resistant, which also has great durability for a long service life. Specification: Item Type: QRM Eliminator Material: Aluminium Alloy Function: Eliminator Colour: Black Frequency Band: 1-30MHz HF Package List: 1 x QRM Eliminator 1 x Power Control Line Note: There is a deviation of 0.5？1 mm between the dial and the knob pointer. betweendiv>betweendiv>Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.between/div>between/div> Package List 1 x QRM Eliminator 1 x Power Control Line