
FAT100 Handheld Spectrum Analyzer
The FAT100 is a cost-effective, entry-level handheld RF tester with a frequency range from 9 kHz to 4 GHz.
Highlights

- The displayed average noise level (DANL) is as low as 135 dBm enables reliable detection of weak signals.
- Low phase noise ensures signal purity and measurement accuracy
- Supports full span, zero span, manual step, and additional scan modes for flexible analysis
- Multiple trace modes—such as clear/write, max hold, and min hold—simplify signal comparison and evaluation.
- Offers several cursor modes, including normal, delta, and delta pair, as well as one-click peak search for fast identification of signal features.
- Standard interfaces include LAN, USB Host/Device, and an SD card slot for data export and remote control.
- Optional tracking generator (FAT100-B): Built-in 5 MHz to 1.6 GHz tracking generator supporting frequency response measurements.
- Supports a 10 MHz external reference input to enhance system synchronization accuracy.
- 5.7-inch high-definition color LCD provides a clear display and intuitive operation.
- One-touch Auto Tune quickly locates signals and optimizes measurement settings automatically.



Specifications
| Frequency range | 9 kHz ~ 1.6 GHz |
| Displayed Average Noise Level (DANL) | -135 dBm (typical value, preamplifier on) |
| Phase noise | -80 dBc/Hz @10kHz offset |
| Resolution Bandwidth (RBW) | 10 Hz ~ 1 MHz (1-3-10 sequence) |
| Video Bandwidth (VBW) | 1 Hz ~ 1 MHz |
| Amplitude accuracy | <1.5 dB |
| Input attenuation range | 0 ~ 51 dB (1dB step) |
| Reference level range | -100 dBm ~ +30 dBm |
| Screen | 5.7-inch LCD, 600×480 |
| Communication interface | LAN, USB Host/Device, SD card slot |
| power supply | DC 12-17V / AC adapter |
| Operating Temperature | -10℃ ~ +50℃ |

Application Scenarios
Educational experiments: Communication principles, RF circuit teaching
R&D debugging: wireless module and RF device performance verification
Production testing: testing of passive/active components such as filters and amplifiers
On-site maintenance: signal coverage detection, interference troubleshooting
Real Experiences with Spectrum Analyzers
David R
“The TFN spectrum analyzer is incredibly portable and easy to use. Its compact size and lightweight design make it perfect for on-site testing, and the intuitive menu with Auto and Preset functions saves a lot of time in the field.”
Mark T.
“Excellent performance for its class — the high sensitivity and built-in preamplifier make weak signal detection effortless. I also appreciate the multiple interfaces and remote-control support, which make data management smooth and efficient.”
FAQs
What logistics options do you offer?
We provide optimized logistics solutions based on the urgency of your order, size, weight, and your location:
International Express: Suitable for samples, urgent orders, and small shipments under 22 lb. We partner with top logistics providers such as DHL, FedEx, and UPS, offering door-to-door tracking.
Air Freight: Suitable for medium to large orders or time-sensitive complete equipment, offering an effective balance between cost and speed.
Ocean Freight: Suitable for large-volume orders and the most economical shipping method. We offer a variety of trade terms, including FOB, C&F, and CIF.
What’s the lead time?
For our standard products, if there are in stock and ready for shipment, the lead time is about 7-10 days. For our optional products, the lead time is about 25-30 days.
What is the product warranty period?
We are confident in the quality and reliability of our products.
We offer a standard 12-month warranty on all instruments, starting from the date of arrival at the port of destination.
Extended warranties are also available; please contact our sales team for details.