Rohde & Schwarz ZPH-ANR4 Cable Rider/Antenna Analyzer: Precision Analysis from 2 MHz to 4 GHz

Features and Specifications: Rohde Schwarz ZPH-ANR4 Cable Rider/Antenna Analyzer

Product Overview:

The Rohde & Schwarz ZPH-ANR4 Cable Rider/Antenna Analyzer is a rugged and portable RF test instrument engineered for professionals who require fast, precise, and efficient cable and antenna analysis. Designed for field and lab use, the ZPH-ANR4 supports DTF, return loss, VSWR, and cable loss measurements over a broad frequency range from 2 MHz to 4 GHz, making it a versatile tool for RF engineers, telecom technicians, and broadcast maintenance teams.

With an intuitive touchscreen interface, industry-grade measurement precision, and up to 9 hours of battery life, this one-port analyzer is perfect for on-site diagnostics and troubleshooting of RF transmission systems. Whether you’re maintaining cellular infrastructure, verifying antenna installation, or conducting periodic inspections, the ZPH-ANR4 delivers lab-quality accuracy in a portable form factor.

Key Specifications:

• Frequency Range: 2 MHz to 4 GHz

• Measurement Types: DTF, Return Loss, VSWR, Cable Loss

• Phase Noise: –95 dBc (1 Hz) @ 500 MHz, 30 kHz offset

• DANL (preamplifier off): < –140 dBm, typ. –144 dBm

• DANL (preamplifier on): < –156 dBm, typ. –161 dBm

• Third-Order Intercept (TOI): +10 dBm

• Battery Life: Up to 9 hours

• Weight: 2.5 kg (5.5 lb)

• Display: Large color touchscreen

• GPS Support: Integrated with R&S ZPH02 port

• Boot Time: Ultra-fast startup

• Interface: USB, backlit keypad, rugged side strap

Use Cases & Applications

• Cell Tower Maintenance

• Broadcast RF Cable Inspection

• Antenna Matching & Installation

• Troubleshooting Return Loss or VSWR Issues

• Defense and Aerospace RF Testing

Perfectly integrates with your RF calibration setup and can be used alongside spectrum analyzers for comprehensive RF system diagnostics.

 Why Choose the ZPH-ANR4?

• Fast & Accurate Testing: Delivers precise measurement with quick boot time and high sensitivity

• Field-Portable Design: Compact and rugged — ideal for harsh environments and remote operations

• Wide Frequency Coverage: Covers the most commonly used RF bands from VHF to GHz

• Modern Interface: Touchscreen navigation with intuitive workflows

•  Extended Battery Life: Operates up to 9 hours on a single charge

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