SWR or standing wave ratio is the ratio of the amplitude of a partial standing wave at an antinode (maximum) to the amplitude at an adjacent node (minimum), in an electrical transmission line. The SWR ...

Wondering how to get the best performance out of your homebrew WiFi antennae? This homebuilt SWR meter will help you measure and match the impedance of your antennae with your source. A good match ...

Sturdy and seemingly accurate overall, but imbalanced left-to-right Buy if, You want power data in a crankset that matches your new Dura-Ace group and you don’t care about left/right metrics Shimano’s ...

There was a time when the measure of a transmitting radio antenna was having it light an incandescent bulb. A step up was a classic SWR/Power meter that showed you forward and reflected power. Over ...

Generally works well as a very light left-side meter Buy if, You want a relatively inexpensive, lightweight power meter for a Shimano crankset You can buy 4iiii ...