MFJ-208 SWR meter/Analyser
SWR ANALYZER, VHF
The MFJ-208 VHF SWR Antenna Analyser
Covers: 138 - 156 MHz.
Shows SWR readings for VHF antennas - allows you to sind the resonant point
It has a jack for external frequency counter.
The MFJ-208 runs on a 9V Battery or Mains wiht a suitable adaptor