Nissei RS-70MAX RF Digital Power Meter 1.6-60 MHz 200W

The Nissei RS-70MAX is the essential tool for any radio amateur or CB user wishing to monitor their antenna installation with precision. This digital model stands out for its ability to handle the complex signals of modern transmission modes, offering clear and instantaneous readouts on its large LCD screen. Whether you're on a fixed station or a mobile expedition, its compact size and flexible power supply make it a versatile measurement companion.

Highlights

• Instant digital readout: No more misinterpretation of analog needles thanks to the high-visibility LCD display.
• Optimized digital modes: MAX button enables precise power capture in SSB, AM and digital protocols.
• Power supply versatility: Operates autonomously with AAA batteries (standard or rechargeable) or via a USB 5V source.
• Robustness and compactness: A small, sturdy metal case, perfect for slipping into a carry bag.
• Ease of use: simplified interface with one-touch navigation between direct, reflected and VSWR power.

Technical specifications

• Frequency range: 1.6 to 60 MHz
• Calibration frequencies: 14 MHz / 50 MHz
• Power measurement range: 0 - 200W
• Accuracy: +/- 5%.
• Functions : Direct power (FWD), Reflected power (REV), VSWR
• Supported modes (MAX OFF): CW, FM, FDMA
• Supported modes (MAX ON): SSB, AM, digital modes
• Insertion loss: Less than 0.3 dB
• Impedance: 50 Ohms
• Connections: UHF-Female (SO-239 / PL)
• Power supply: 2 AAA batteries or USB-C port (5V)
• Dimensions: 70 x 78 x 30 mm
• Weight: 220 g (excluding batteries)

Compatibility

• HF transceivers: Icom, Kenwood, Yaesu, Xiegu, Elecraft operating between 1.6 and 60 MHz.
• CB equipment: Compatible with all 27 MHz CB sets.
• Antennas: All 50 Ohm antennas via PL-259 connectors.
• Power sources: USB-C smartphone chargers, Powerbanks, computers.

FAQ

Why choose the Nissei RS-70MAX?

• Digital accuracy: A modern alternative to less readable analog wattmeters.
• Future-proof: Perfectly compatible with digital modes (FT8, DMR, etc.) thanks to MAX mode.
• Optimized consumption: automatic switch-off preserves battery life.
• Extremely compact: takes up minimal space on your desk or in your outdoor deployment kit.