SURECOM SW33 mark II VHF/UHF 100W POWER & S.W.R. SWR METER
3 seconds check your antenna SWR, also check your radio RF power watt. Insertion Loss < 0.15dB(VHF), < 0.25dB(UHF). Insertion Loss : < 0.15dB(VHF), < 0.25dB(UHF). ♢ Variable ND filter. ◈ Mount Ring.