QRM Eliminator, 13.8V Adjustable Signal Filter, Reduces Interference For Clear Communication, Black

Aluminum Shell: The eliminator adopts aluminum shell, and the front and rear baffles are epoxy glass fiber board FR4, which is durable. PTT Control: The box has a built in PTT control, which can maintain the connection of the canceller during transmission. Easy to Use: The QRM canceller is inserted into the feeder of the antenna without any other modifications to the radio. Knob Adjust Phase: A silencer with a dial and knob pointer, you can adjust the phase through the knob.