NanoVNA-H4 Vector Network Analyzer

NanoVNA-H4 Vector Network Analyzer

The NanoVNA-H4 is a compact handheld Vector Network Analyzer (VNA) designed for antenna tuning, RF filter evaluation, cable testing, and impedance analysis. Covering frequencies from 50 kHz to 1.5 GHz, it provides accurate dual-port S-parameter measurements with a bright 4-inch IPS touchscreen, making it an excellent portable instrument for amateur radio operators, RF engineers, educators, and laboratory applications.

Key Features

• Portable handheld Vector Network Analyzer (VNA)
• Frequency coverage from 50 kHz to 1.5 GHz
• Dual-port S11 and S21 parameter measurements
• Measures SWR, impedance, return loss, insertion loss, phase, and cable characteristics
• Supports Smith Chart, Log Magnitude, Phase, Polar, Delay and VSWR displays
• Bright 4.0-inch IPS color touchscreen
• 480 × 320 high-resolution display
• Up to 401 sweep points for detailed RF measurements
• Fast frequency sweep with real-time graphical updates
• Full SOLT (Short, Open, Load, Through) calibration
• Internal calibration storage for multiple frequency ranges
• Multiple simultaneous trace display capability
• Marker functions with delta measurement support
• Built-in rechargeable lithium battery for portable operation
• USB Type-C interface for charging, firmware updates, and PC connectivity
• Compatible with NanoVNA Saver software
• Supports Touchstone (S1P/S2P) file export
• 50 Ohm measurement system
• SMA female RF connectors
• High frequency stability using TCXO reference oscillator
• Compact CNC-machined aluminum enclosure
• Touchscreen and rotary encoder navigation
• Ideal for antenna tuning, cable testing, and RF network measurements
• Suitable for amateur radio, RF laboratories, educational environments, and field service
• Professional portable RF measurement solution

Typical Uses

• Antenna tuning and matching
• Coaxial cable fault analysis
• RF filter characterization
• Amplifier and attenuator testing
• Smith Chart impedance measurements
• Amateur radio station maintenance
• RF laboratory measurements

In the Box

• NanoVNA-H4 Vector Network Analyzer
• SOLT calibration kit (Open, Short, Load and Through)
• 2 × SMA RF test cables
• USB Type-C charging/data cable
• Touchscreen stylus
• User manual