Noise Bridge, RF 1 MHz to 100 MHz
MFJ-202B - MFJ Enterprises, Inc. (MFJ Enterprises, Inc.)
Quickly adjust almost any antenna for maximum performance, 1 to 100 MHz. Lengthen or shorten your antenna for minimum SWR. Measure resonant frequency, feedpoint resistance and reactance. Works with any receiver or transceiver. Hand-calibrated resistance scale, expanded capacitance range and exclusive built-in range extender.