Medidor SWR NISSEI RS-101 1,8-60 MHz 30 W/300 W/3 KW ajustable para radio de onda corta
Frequency range: 1.8 ~ 60MHz. When using a lower power range, it is important to ensure that the transmitting power of the radio station does not exceed the power of the corresponding range. Usually it costs about 30USD-50USD.