NISSEI DG-503 SWR Digital Power Meter 1.6-525Mhz Short Wave VSWR Tester

SWR minimum test power: 1W. O therwise, It is easy to burn out the tester. Test function: forward / reflective power / Bobbi. Frequency correction point: 14 MHz/ 50MHz/ 145MHz/ 435 MHz. Frequency range: 1.6-60MHz/125-525MHz.