Willtek 9101 Handheld Spectrum Analyzer 

The Willtek 9101 Handheld Spectrum Analyzer is a lightweight, high-performance RF analysis tool designed for field engineers, technicians, and wireless professionals. Covering a wide frequency range from 100 kHz to 4 GHz, the 9101 is ideal for a variety of wireless communication, broadcast, and RF interference troubleshooting applications.

Compact and Portable Design

Built for on-the-go RF analysis, the Willtek 9101 features a rugged, lightweight design that ensures ease of use in both laboratory and field environments. With a high-resolution color display, intuitive controls, and a user-friendly interface, it provides clear visualization of the RF spectrum and rapid signal analysis.

Wide Frequency Range and High Sensitivity

The analyzer’s 100 kHz to 4 GHz frequency range makes it suitable for testing cellular networks, Wi-Fi, broadcast signals, military communications, and general RF applications. Its high sensitivity and low noise floor allow for the detection of weak signals and accurate measurement of signal power, interference sources, and spectral occupancy.

Advanced Measurement Capabilities

Equipped with adjustable resolution bandwidths (RBW), automatic peak detection, and trace storage, the Willtek 9101 allows users to quickly analyze complex RF environments. The marker functions enable precise frequency and amplitude measurements, ensuring accurate and efficient signal characterization.

Key Features:

• Frequency Range: 100 kHz – 4 GHz
• High Sensitivity: Detects weak signals with low noise floor
• Resolution Bandwidths (RBW): Adjustable for detailed signal analysis
• Display: High-resolution color LCD for clear spectral visualization
• Marker and Peak Detection Functions: Enhanced measurement accuracy
• Data Logging & Storage: Saves traces and results for later analysis
• Battery-Powered Operation: Long-lasting battery for portable field use
• Connectivity: USB and RS-232 interfaces for data transfer and remote control

Applications:

• Wireless Communication Troubleshooting: Analyzing cellular, Wi-Fi, and RF signals
• Interference Detection: Identifying and resolving signal interference issues
• Broadcast and Spectrum Monitoring: Checking signal strength and quality
• EMI/EMC Testing: Ensuring compliance with electromagnetic standards
• Field and Lab Testing: Versatile use in both mobile and stationary setups

The Willtek 9101 Handheld Spectrum Analyzer is a powerful, portable, and easy-to-use RF analysis tool, ideal for wireless network engineers, RF technicians, and field service professionals. With its broad frequency range, high sensitivity, and rugged design, it is the perfect solution for real-time spectrum monitoring, interference detection, and wireless system testing in both field and lab environments.

Specifications

General Specifications:

• Brand: Willtek
• Model: 9101
• Type: Handheld Spectrum Analyzer

Frequency & Signal Analysis:

• Frequency Range: 100 kHz – 4 GHz
• Resolution Bandwidth (RBW): Selectable, typically 10 Hz to 1 MHz
• Video Bandwidth (VBW): Selectable, typically 10 Hz to 1 MHz
• Frequency Accuracy: ±1 ppm (typical)
• Phase Noise: -90 dBc/Hz at 100 kHz offset (typical)
• Displayed Average Noise Level (DANL): -130 dBm (typical)
• Dynamic Range: 80 dB

Measurement & Display:

• Amplitude Measurement Range: -110 dBm to +20 dBm
• Amplitude Accuracy: ±1 dB (typical)
• Reference Level: Adjustable from -100 dBm to +20 dBm
• Display: High-resolution color LCD screen
• Marker & Peak Detection: Available for precise measurements
• Trace Storage: Saves measurement results for analysis

Connectivity & Data Storage:

• Interfaces: USB, RS-232 for data transfer and remote control
• Data Logging: Supports storage and retrieval of traces
• PC Software Compatibility: Allows for detailed spectrum analysis and report generation

Power & Portability:

• Battery: Rechargeable lithium-ion battery (providing several hours of operation)
• Power Supply: AC adapter for extended use
• Weight: Approx. 2.5 kg (5.5 lbs)
• Dimensions: Compact and rugged design for field use

Applications:

• Wireless Communication Troubleshooting (Cellular, Wi-Fi, Bluetooth)
• RF Interference Detection and Analysis
• Broadcast and Spectrum Monitoring
• EMI/EMC Testing
• Field and Lab Testing