Precision, Portability, and Performance – All in One Meter.

Take precise control of your radio setup with the Nissei RS-50 MAX Digital SWR & Power Meter, designed for reliable, high-accuracy measurements across VHF/UHF bands (140–170 MHz / 430–470 MHz). Whether you're a ham radio operator or a professional technician, this compact, battery-powered meter delivers clear, real-time readings with its backlit LCD display.

Offering forward/reverse power and SWR measurements, it supports both analog and digital modes, including CW, FM, FDMA, DMR, SSB, and AM. The RS-50 MAX handles up to 120W measurable power (150W max) and operates via 2x AAA batteries or USB-C for convenient portable use.

With a durable SO-239 connector, 50-ohm impedance, and a rugged Taiwan-made build, this meter fits seamlessly into your mobile or base station setup.

Key Features

• Frequency range: 140-170MHz / 430-470MHz
• Measurable power range: 0 - 120W
• Accuracy Class: +/- 5%
• Power: 120W (max)
• Power source: Battery - "AAA" x 2pcs / Micro USB port
• Digital SWR Meter: Back light LCD display
• Dimensions : 70W x 78H x 30D mm
• Function: Fwd/Rev Power, SWR
• Connector: SO-239
• Impedance: 50 ohm
• Made in Taiwan

In the Box

• SWR Power Meter
• User Manual