The Nissei RS-50 is a 120W max SWR / Power meter designed for 140-150MHz and 430-440MHz.  The die-cast housings convenient shape makes it ideal for "off the bench" use for example vehicle installations or field testing.

It offers simultaneous forward and reverse power and SWR indications, to an accuracy of +/- 5%, at power levels over 5W.

The meter is powered by either 2 "AAA" cells installed internally, or 5v via a micro USB connector.  USB cable supplied ( micro to A ).  Batteries or 5v supply are not included. Rechargeable cells ~1.2V may be used, but internal charging is not provided for.

Impedance : 50 ohms

Connectors: type "N" female connectors, ( we supply this option owing to the RS-50's UHF frequency coverage ).  Adaptors to other connector types are available.

Dimensions:  70W x 78H x 30D mm  Weight: 220g (without batteries )

The Nissei RS-50 is badged for, and sold by, MFJ as the MFJ-847