This is the rare model SW-200 with 2 couplers SWC-1 for 1.8 thru 150 Mhz and SWC-2 for 140 thru 450 Mhz. It does Avg and PEP with FS reading of 20 or 200W fwd and 10 or 100W ref. Requires 13.8 Vdc to operate and to light the meters. Good physical and electronic condition. $!00.00 includes UPS gnd , PayPal ok
Dave W9MPD 702-294-2666