cb / ham radio swr / rf meter astatic pdc7

The Astatic PDC7 SWR meter accurately measures your SWR to make sure your CB antenna is tuned properly. The PDC7 can also measure your RF power up to 10 watts. The Astatic PDC7 SWR meter can be installed in your antenna line continuously if you like to keep a constant eye on your performance.The PDC7 SWR meter installs in your CB antenna coax line. There is an SO239 (female) input to go from the antenna and another SO239 to go to the CB radio. Once installed, it can be left in the line continuously.