The MFJ-217 6m SWR Analyser is a handy tool for measuring the resonant frequency of your antenna and the frequency at which the antenna has the lowest SWR. A phono connector is available for an external frequency counter as well as for a number of other uses.
* Frequency Coverage 30 - 56MHz
* Connector SO-239
* Supply: PP3 9V or ext. 9V DC
* Size 60 x 190 x 55mm
* Weight 390g
