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Get to Know the FieldFox Handheld Analyzer
All your RF and microwave testing needs in one portable unit
![Three FieldFox handheld analyzers showing a real-time spectrum analysis measurement, a four window display S-parameter measurement, and a distance to fault measurement](/content/dam/keysight/en/img/prd/scopes-analyzers-meters/fieldfox/products_analyzers_GetToKnowFieldFox_section1.png)
Never Sacrifice Capability or Portability
Field testing modern communications networks places new demands on your equipment and typically requires trade-offs between capabilities and portability. Keysight’s FieldFox handheld analyzers help you troubleshoot, monitor, and test network installations wherever and whenever. With over 22 measurement capabilities in one portable, battery-powered unit, FieldFox is the most capable handheld analyzer in the industry.
How Are You Using FieldFox?
Download resources based on your application needs.
![cell phone tower transmitting signals](/content/dam/keysight/en/img/cmp/2020/get-to-know-fieldfox/buffer-off-amp-red-solid.png)
RF & Microwave Component Testing
RF & Microwave Component Testing
![cell phone tower transmitting signals](/content/dam/keysight/en/img/cmp/2020/get-to-know-fieldfox/wireless-red-solid.png)
Over-the-Air (OTA) Analysis
Over-the-Air (OTA) Analysis
![cell phone tower transmitting signals](/content/dam/keysight/en/img/cmp/2020/get-to-know-fieldfox/telecommunications-red-solid.png)
Transmitter & Receiver Test
Transmitter & Receiver Testing
![cell phone tower transmitting signals](/content/dam/keysight/en/img/cmp/2020/get-to-know-fieldfox/frequency-management-red-solid.png)
Interference & Spectrum Analysis
Interference & Spectrum Analysis
![cell phone tower transmitting signals](/content/dam/keysight/en/img/cmp/2020/get-to-know-fieldfox/high-speed-digital-opt-2-red-solid.png)
Cable & Antenna Testing
Cable, Antenna, & Connector Testing
Try FieldFox Software for Free
FieldFox is configurable as a handheld cable and antenna analyzer, network analyzer, spectrum analyzer, and more. Stay ahead of changing measurement requirements by upgrading your handheld analyzer in the field with convenient, user-installable license keys.
![Time domain response of coax cable with marker at the peak of 39.6 ns](/content/dam/keysight/en/img/prd/scopes-analyzers-meters/fieldfox/fieldfox-software/Time-domain-response-of-coax-cable-800x450.png)
Option 010: Vector Network Analyzer Time Domain
- visualize error-corrected time domain reflection or transmission responses
- remove unwanted responses with gating
- view time and frequency domain data simultaneously
- transform the frequency domain to the time domain or vice versa
![5G NR FR1 multi-cell 3.5 GHz demodulation and KPIs](/content/dam/keysight/en/img/prd/scopes-analyzers-meters/fieldfox/fieldfox-software/5G-NR-FR1-multi-cell-3.5-GHz-800x450.png)
Option 378: Over-the-Air (OTA) 5G NR
- capture over-the-air 5G NR FR1 and FR2 signals
- demodulate downlink primary and secondary synchronization signals
- scan results of key performance indicators
- optimize Inter-RAT handovers for overlapping 5G and LTE networks
![Occupied bandwidth measurement using a spectrum analyzer](/content/dam/keysight/en/img/prd/scopes-analyzers-meters/fieldfox/fieldfox-software/LTE-A-3CC-Occupied-BW-800x450.png)
Option 233: Spectrum Analyzer
- analyze the spectrum with four traces and different detector types
- select radio standards and set limit lines
- perform channel power and field strength measurements including antenna factors
- record data and play it back later
![5G NR FR1 multi-cell 3.5 GHz demodulation and KPIs](/content/dam/keysight/en/img/prd/scopes-analyzers-meters/fieldfox/fieldfox-software/RTSA-mode-with-interference-800x450.png)
Option 350: Real-Time Spectrum Analyzer (RTSA)
- capture signals with 100 MHz of real-time bandwidth
- detect masked small and intermittent signals
- view the density spectrum, spectrogram, or real-time spectrum
- capture signals as short as 5.52 µs with 100% probability of intercept (POI)
![5G NR FR1 multi-cell 3.5 GHz demodulation and KPIs](/content/dam/keysight/en/img/prd/scopes-analyzers-meters/fieldfox/fieldfox-software/DTF-and-TDR-800x450.png)
Option 215: TDR Cable Measurements
- identify the location of faults along cable lines with time-domain reflectometry (TDR)
- characterize the nature of faults by analyzing changes in impedance
- measure distance-to-fault and TDR in one line sweep
- expose mismatch issues and poor connections
5G Poster Giveaway
Get your hands on a free FieldFox 5G poster while supplies last.
Our experts are ready to help you find the ideal solution for your unique measurement needs.