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📡 Own the spectrum, master the signal.
The Siglent SSA3021X Spectrum Analyzer delivers professional-grade frequency analysis from 9 kHz to 2.1 GHz with an ultra-low noise floor of -161 dBm/Hz and a razor-sharp 1 Hz resolution bandwidth. Its compact, lightweight design features a bright touchscreen interface and versatile USB/Ethernet connectivity, making it ideal for R&D, production, and compliance testing environments.












| ASIN | B08C37Z1X6 |
| Audio Output Mode | Stereo, Surround, Mono |
| Best Sellers Rank | #247,136 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #56 in Spectrum Analyzers |
| Brand | Siglent |
| Built-In Media | A Quick Start, A USB Cable, A Calibration Certificate |
| Color | black |
| Compatible Devices | Personal Computer, Tablet, Smartphone, Car Stereos, Home Audio Systems (with Sirius support) |
| Connectivity Technology | USB |
| Connector Type | Ethernet, USB |
| Control Method | Touch |
| Controller Type | Touch |
| Customer Reviews | 4.6 out of 5 stars 91 Reviews |
| Item Weight | 11.6 pounds |
| Manufacturer | Siglent Technologies |
| Mfr Part Number | SSA3021X |
| Model Number | SSA3021X |
| Number of Channels | 1 |
| Number of Items | 1 |
| Other Special Features of the Product | All-Digital IF Technology, Frequency Range up to 3.2 GHz |
| Output Wattage | 50 watts |
| Special Feature | All-Digital IF Technology, Frequency Range up to 3.2 GHz |
| Supported Internet Services | Sirius |
| Surround Sound Channel Configuration | 7.1 |
| UPC | 716852725205 764560082769 820103247788 713839551406 |
| Unit Count | 1 Count |
H**R
Great little spectrum analyzer at a great price
If 9 KHz to 2.1 GHz is all the frequency range you need, it's a great tool at a great price. Tracking generator turns it into a poor man's network analyzer and there is a plethora of software applications (some at extra cost). It beats the ancient, 40 lbs HP that I used at work hands-down on just about any parameter. Still, would be nice to have high impedance input option like the HP had, to use an oscilloscope probe at lower frequencies. Well, you can't have everything for just barely over $1K...
K**S
Great deal for a great price
Works great, software up-gradable. Love it.
J**.
I'm very happy with this spectrum analyzer
I'm very happy with this spectrum analyzer. It is quite versatile and light weight and very portable. The display is very nice, especially when working with filter responses. When I called the customer support for information I was pleased with the knowledgeable and friendly tech support. The panel controls are very heuristic and easy to navigate. Would I buy it again? Hell yeah! The best money I ever spent. ...JK
J**S
Great instrument for the money
I love having the tracking generator as I frequently have to tune filters. This should NOT be an option, it should always be enabled. The reason I say this is because there are a number of these analyzers which do not come with the TG enabled. By doing this Siglent is alienating a large amount of potential customers. This is an inexpensive analyzer... but 90% of the time you don't need a high end $20,000 analyzer to resolve interference issues or to align a duplexer. Overall this is a good entry level spec an for everyday use. I carry it in my truck to all of my jobs In the Siglent soft case. I've been very satisfied with its durability and performance. So now my R&S and Anritsu analyzers stay in the lab.
C**H
Compared to Rigol
In my opinion this unit is better than the equivalent Rigol unit. The unit came with extra features turned on for 40 hours. This allows the add-on feature to be sampled before purchase. I should note the unit has a "learning curve." Many features are explained in YouTube videos which is helpful.
P**Y
Nice compact design, great measurement accuracy.
Excellent piece of test equipment. Only been using it for a couple of days, but I am learning it easily. Tests I have done gave me great confidence in its operation. I have used it with a reference frequency input from my GPS receiver’s 10 MHz reference signal. Love ❤️ it.
P**.
What a great unit
For the money you can’t go wrong,I have always wanted a spectrum Analzyer but the costs have always been thru the roof, this does it all and with the tracking generator very easy to tune filters
M**S
I was impressed with the quality and accuracy of the equipment for the price I paid.
When I bought it, I was in doubt because I didn't believe it was possible to acquire a device with these characteristics for the price offered. I was very satisfied as it exceeded all my expectations. Excellent device, lots of interesting features, and Tracking Generatos is fantastic for my activities. I recommend without restrictions.
G**A
An Impressive Instrument - Great Value Too
The price on Amazon was the lowest (in Canada) I have seen, with free (and fast) shipping. It arrived from RCC Electronics, well-packed (double-boxed). It is easy to use and has more features than I think I will ever need, plus a large bright display, and a very QUIET fan (unlike my old Agilent unit which ROARS!), plus it easily fits onto my bench. As a bonus, it comes with a full parts and labour 3 year warranty. The tracking generator option is permanently enabled (and is very useful), but other options have a limited time functionality without buying a software key to permanently enable them. Apparently these (and upgrade to 3.2GHz bandwidth) could be 'hacked' to be permanently on when this model had an earlier firmware, but maybe not be now (not that I would do that anyway as it voids warranty)
E**B
Perfecto
Buen instrumento, incluye la licencia de TG , y trae algunas funcionalidades muy atractivas . Definitivamente ha sido de mucha utilidad cumpliendo mis espectativas, estaria genial poder conseguir los accesorios en amazon mexico .
B**O
Très Bon Produit, c'est du Siglent!
Assez intuitif lorsqu'on connait la marque Siglent. Les AS ne sont pas forcement abordables mais je le conseille à tou(te)s les passionné(e)s. P.S: Prévoir de la place sur la table de votre labo. Je n'avais pas prêté garde à l'encombrement et il va falloir que je change de table :-)
N**A
とうとう手に入れてしまった。
数日しか使っておりませんが、SIGLENTの良いところは簡単に習得できるところです。わかりやすいインターフェース。操作。ディスプレイも大きく素晴らしいと思います。 小さくて軽量化されているモデルなので直ぐに利用できると思います。 アマチュア局送信機の自作でスプリアス測定ができるスペアナを探していました。 敢えてデメリットを言うと、スペクトラム表示の遅延くらいでしょうか。Iphoneなどの高スペックデバイスを使っているとこういう機器の表示、操作速度のもさもさ感を感じますがしょうがないと思います。
Q**K
Good produst .No manual
Manual should come with it.
Trustpilot
1 month ago
2 days ago