
RSA306B USB Spectrum Analyzer
RSA306B USB Spectrum Analyzer
The RSA306B USB spectrum analyzer might be small but it packs a big punch. It’s loaded with features you’d expect from spectrum analyzers twice the size and twice the price. Perfect for everyday tasks.
9 kHz to 6.2 GHz
40 MHz
-160 dBm to +20 dBm
See more with proprietary DPX® technology

Discover the most difficult, hard-to-find problems with the powerful real-time architecture of the RSA Series. With the advanced DPX® technology, you can see RF characteristics that are practically invisible to a conventional spectrum analyzer.
Powerful and intuitive. Measurement insight at your fingertips.

The RSA Series is powered by SignalVu® Essentials software – the same software used on the full-line of Tektronix Real-time Spectrum Analyzers. Delivering unlimited access to advanced measurement and analysis capabilities that you can save, customize or share with peers. Over 15 packages cover common wireless standards, spectrum management, pulse measurements and more.
Video: How to set up RSA306B with SignalVu-PC
Performance with no compromises.

The RSA Series provides performance to match conventional mid-range spectrum analyzers on the market. No compromises are required for even your toughest challenges.
Unequaled size. Unlimited flexibility. Unparalleled toughness.

At just 1.6 lbs., the RSA306B is conveniently sized for easy portability from your bench, the lab or even the field. It's powered by your laptop or tablet giving you the ultimate flexibility and convenience. You choose the display and connectivity that you prefer. Additionally, the RSA306B is tested to military standards and is field tough.
Watch the Extreme TestMeet the Whole Family

The Tektronix family of Spectrum Analyzers are all made in the USA and have a 3 year warranty so you can count on our quality day in and day out. Choose the real-time spectrum analyzer that best suits your needs:
- RSA500 Series: With a built-in tracking generator for antenna and cable test, and a GPS receiver to geo-locate and map signals, the RSA500 makes field test a lot easier.
Learn More>> - RSA600 Series: With better dynamic range and phase noise for modulation analysis of wireless standards, and an optional tracking generator to characterize RF components, the RSA600 offers powerful tools for your bench.
Learn More>>
Accidents happen. Make sure you're protected.

We have the only plan in the industry to offer coverage for accidental damage. Yes, this includes screen damage, spills, broken mounts, and electrostatic discharge or electronic overstress events. Reduce unplanned repair or replacement costs with our Total Protection Plan.
Models
Model | Frequency Range | Real-Time Bandwidth | Minimum Event Duration for 100% POI | SFDR (typical) | List Price |
---|---|---|---|---|---|
RSA306B | 9 kHz to 6.2 GHz | 40 MHz | 100 μs | 60 dBc |
US $3,890
Configure & Quote |
Spectrum Monitoring and Interference hunting

The migration to mobile communications is creating unprecedented pressure for more spectrum capacity in a complex and crowded signal environment. Tek’s Real-Time Spectrum Analyzers help you discover and examine sources of interference quickly so you can locate and identify unwanted activity. You can ensure your signal integrity and adherence to compliance standards using the RSA306B, RSA500, or RSA600 for real-time spectrum insights.
Interference Hunting Application Note
Highlights
- The RSA306B spectrum analyzer's proprietary DPX technology enables precise, real-time measurements packaged in a portable, rugged form factor and easy-to-use software interface.
- The RSA306B spectrum analyzer covers up to 6.2 GHz, with 40 MHz bandwidth capture
Reduce manufacturing costs and test time with better test flexibility

The USB RSA’s are a great choice for manufacturers looking for greater throughput and product quality, all while controlling testing costs. The RSA 306B, 500, and 600 units offer support for major Internet of Things (IoT) standards in SignalVu-PC software, come with a complete offering of drivers and code examples, and include testing support for IoT technologies such as WiFi and the new Bluetooth 5.0.
Maximize your student’s learning

With our full featured and affordable Real-time Spectrum Analyzers, your students can capture results of experiments, perform analysis, and generate lab reports on their laptops, saving time and optimizing learning opportunities. It’s compact and portable size makes it easy to conduct experiments away from the lab in real world environments.
EMI/EMC pre-compliance Testing

Save cost and precious time by performing pre-compliance testing in your lab with our Real-Time Spectrum Analyzers. You can use peak detection with a free version of SignalVu-PC. You also get more accurate results with quasi-peak and average detection.
Low Cost EMI Pre-compliance Testing using a Spectrum Analyzer
Model | Frequency Range | Real-Time Bandwidth | Minimum Event Duration for 100% POI | SFDR (typical) | List Price |
---|---|---|---|---|---|
RSA306B | 9 kHz to 6.2 GHz | 40 MHz | 100 μs | 60 dBc |
US $3,890
Configure & Quote |
Tektronix RSA306B |
Tektronix RSA507A |
Tektronix RSA607A |
Keysight N9322C (BSA) |
Keysight N9000-507 (CXA) |
|
---|---|---|---|---|---|
Maximum Frequency Range | 9 kHz - 6.2 GHz | 9 kHz to 7.5 GHz | 9 kHz to 7.5 GHz | 9 kHz - 7 GHz | 9 kHz - 7.5 GHz |
Capture Bandwidth | 40 MHz | 40 MHz | 40 MHz | 1 MHz | Standard: 10 MHz Optional: 25 MHz |
Dynamic Range (DANL to Max Imput) |
-160 dBm to +23 dBm | -161 dBm to +33 dBm | -161 dBm to +33 dBm | -152 dBm to +20 dBm | -148 dBm to + 15 dBm (Optional Pre-amp On) |
Phase Noise (1 GHz CF, 10 kHz offset) | -84 dBc/Hz | -94 dBc/Hz | -94 dBc/Hz | -90 dBc/Hz (typ) | -102 dBc/Hz |
Real Time Capabilities | Yes | Yes | Yes | No | No |
Base Measurements | 17 | 17 | 17 | 6 | 10 |
Country of Origin | USA | USA | USA | Malaysia | Malaysia |
Warranty | 3-year warranty | 3-year warranty | 3-year warranty | 3-year warranty | 3-year warranty |
Weight | 1.6 lbs | 7.0 lbs | 6.35 lbs | 17.4 lbs | 34 lbs |
Size (h, w, d) | 1.2" x 7.5" x 5" | 2.65'" x 11.78" x 10.68" | 2.95" x 14.12" x 8.75" | 5.2" x 15.7" x 12.6" | 7" x 16.8" x 14.5" |
SignalVu-PC software brings benchtop and field features to the RSA306B

RSA306B operates with SignalVu-PC, a powerful program that is the basis of Tektronix performance signal analyzers. The software controls the spectrum analyzer acquisition and updates measurement displays continuously.
The base version ships free with the product; add options to configure the software for your application.
Download trial SignalVu-PC detailed specs
Highlights
- Free base version has 17 signal analysis and real-time spectrum analysis measurements
- Paid add-on options for more than 15 advanced measurements including WLAN testing, P25 compliance testing, pulse analysis, modulation analysis and more
FEATURED ACCESSORY
Panasonic instrument controller with SignalVu-PC

When combined with a Tektronix USB spectrum analyzer, the Panasonic FZ-G1, offered by Tektronix, transforms your view of the spectrum in the field. It provides the largest screen of any portable solution and weighs but a fraction of a traditional portable spectrum analyzer.
Highlights
- Pre-loaded with SignalVu-PC software
- Custom-programmed display settings and front-panel buttons optimize the SignalVu-PC experience
- Tektronix-tested to meet the real time performance of all USB spectrum analyzers
FEATURED ACCESSORY
Smart antenna for interference hunting

When combined with a Tektronix USB spectrum analyzer, the Alaris DF-A0047 direction finding antenna, offered by Tektronix, makes interference hunting easy. Lines of bearing are automatically transmitted from the antenna to SignalVu-PC Map software, enabling fast triangulation on interference sources.
Highlights
- Multiple antennas and a user-selectable preamplifier cover a broad range of interference frequencies and levels
- Integrated compass transmits angle information to SignalVu-PC for automatic creation of lines of bearing on the map
- Powered by USB
Title | Type | Date |
---|---|---|
SignalVu-PC Vector Signal Analysis Software - Release Candidate - V3.12.0037 SignalVu-PC VSA software brings the analysis engine of the Tektronix Real-Time Signal Analyzer (RTSA) to your computer, enabling you to analyze live signals from RSA306, RSA500, RSA600, RSA7100A Spectrum Analyzers and MDO4000B/C Series oscilloscopes, and… Part number: 066143416 | 13 Apr 2018 | |
Spectrum Analyzer RSA306B USB Real Time Spectrum Analyzer Datasheet The RSA306B uses your PC and Tektronix SignalVu-PC™ RF Signal Analysis Software to provide real time spectrum analysis, streaming capture and deep signal analysis capabilities for signals from 9 kHz to 6.2 GHz, all in a low-cost, highly portable package Literature number: 37W-60375-7 | Datasheet | 12 Apr 2018 |
China RoHS Supplemental, 071218307 Product Information Sheet for People‚s Republic of China
This sheet contains supplemental product information for the People‚s Republic of China. Part number: 071218307 | User | 11 Apr 2018 |
China RoHS Supplemental, 071218108 Product Information Sheet for the People‚s Republic of China
This sheet contains supplemental product information for the People‚s Republic of China. Part number: 071218108 | User | 11 Apr 2018 |
China RoHS Supplemental, 071217907 Product Information Sheet for People‚s Republic of China
This sheet contains supplemental product information for the People‚s Republic of China. Part number: 071217907 | User | 11 Apr 2018 |
DataVu-PC Recorded Signal Analysis Software - V1.1.39 DataVu-PC analysis software for recordings makes short work of searching through large datasets for signals of interest. You can measure pulses and mark signals for export to other analysis programs, reducing time spent in post-capture analysis. Part number: 066190102 | Application | 09 Apr 2018 |
How mobile Network Operators use Tektronix Real-Time Spectrum Analyzer The tutorial describe more in detail how the RSA306 is being used in the field. | How-to Guide | 03 Apr 2018 |
SignalVu-PC Vector Signal Analysis Software - V3.13.0072 SignalVu-PC VSA software brings the analysis engine of the Tektronix Real-Time Signal Analyzer (RTSA) to your computer, enabling you to analyze live signals from RSA306, RSA500, RSA600, RSA7100A Spectrum Analyzers and MDO4000B/C Series oscilloscopes, and… Part number: 066143417 | Application | 27 Mar 2018 |
SignalVu-PC Vector Signal Analysis Software
This document provides detailed information about the programming commands that can be used to remotely control the SignalVu-PC Vector Signal Analysis Software and connected instruments. Part number: 077072108 | Programmer | 20 Mar 2018 |
Conducted and Radiated Emissions Testing Literature number: 37W-61324-0 | Application Note | 02 Mar 2018 |