PORTXVNSA VNA-H4 Plus 50kHz-2.7GHz

PORTXVNSA VNA-H4 Plus 50kHz-2.7GHz

The PORTXVNSA VNA-H4 Plus is a portable handheld Vector Network Analyzer (VNA) designed for RF testing, antenna tuning, impedance analysis, cable diagnostics, and filter characterization. Covering frequencies from 50 kHz to 2.7 GHz, it provides accurate dual-port S-parameter measurements, a high-resolution 4-inch IPS touchscreen, and advanced calibration capabilities, making it ideal for amateur radio operators, RF engineers, educational environments, and laboratory applications.

Key Features

• Portable handheld Vector Network Analyzer (VNA)
• Wide frequency coverage from 50 kHz to 2.7 GHz
• Dual-port S11 and S21 measurements
• Measures SWR, impedance, return loss, insertion loss, phase, and cable characteristics
• Suitable for HF, VHF, UHF and 2.4 GHz ISM applications
• Bright 4.0-inch IPS capacitive touchscreen display
• 480 × 320 high-resolution display
• Up to 401 sweep points for detailed RF measurements
• Fast frequency sweep with real-time graphical updates
• Supports Smith Chart, Polar, Log Magnitude, VSWR, Phase and Group Delay displays
• Complete SOLT (Short, Open, Load, Through) calibration
• Multiple calibration profiles stored in internal memory
• High-stability TCXO frequency reference
• Four simultaneous trace display capability
• Multiple marker and delta marker functions
• USB Type-C interface for charging, firmware upgrades and PC connectivity
• Compatible with NanoVNA Saver and supporting PC software
• Supports Touchstone (S1P/S2P) file export
• Integrated rechargeable lithium battery for portable operation
• Precision SMA female RF connectors
• 50 Ohm measurement system
• Durable CNC-machined aluminum enclosure
• Ideal for antenna tuning, cable testing, RF filter analysis and duplexer measurements
• Suitable for amateur radio, wireless communications, RF laboratories and educational use
• Compact lightweight design for field and bench testing

Typical Uses

• Antenna tuning and matching
• Coaxial cable testing
• RF filter characterization
• Duplexer and amplifier measurements
• Smith Chart impedance analysis
• Wireless communication equipment testing
• RF laboratory and field measurements

In the Box

• PORTXVNSA VNA-H4 Plus Vector Network Analyzer
• SOLT calibration kit (Open, Short, Load and Through)
• 2 × SMA RF test cables
• USB Type-C charging/data cable
• Protective carrying case
• User manual