The SX200 measures forward and reflected power and VSWR.
Frequency range:1.8 to 200MHz
Power display range:5W 20W 200W
Accuracy at fullscale:5W Range ±5%(F.S),20W Range ±7.5%(F.S),200W Range ±5%(F.S),(Add +15% of full scale at 160 to 200MHz)
Minimum power at SWR measurement:1W
Insertion loss: Less than 0.15dB(1.8 to 3.5 MHz),Less than 0.2dB(150 to 200MHz) Measurement function:Forward RF power,Reflected RF power,SWR,PEP monitor