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📡 See the unseen, generate the future — your spectrum, your rules.
The SeeSii TinySA Ultra+ ZS406 is a cutting-edge handheld spectrum analyzer and signal generator featuring a 4.0-inch HD touchscreen, ultra-wide 100kHz to 5.4GHz frequency range, and built-in 32GB microSD for direct data recording. With advanced ESD protection, a powerful 5000mAh rechargeable battery, and seamless PC connectivity via USB, it delivers professional-grade performance for RF analysis and signal generation in a compact, portable design.















| ASIN | B0BVV6BHK9 |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Batteries Required? | Yes |
| Batteries included? | Yes |
| Battery Cell Type | Lithium Polymer |
| Best Sellers Rank | 12,283 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 2 in Spectrum Analysers |
| Colour | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (27) |
| Date First Available | 15 Feb. 2023 |
| Finish | Chrome |
| Item Package Quantity | 1 |
| Item Weight | 360 g |
| Item model number | 5.3GHz ZS206 |
| Manufacturer | Seesii |
| Material | PCB |
| Part number | ZS206 |
| Product Dimensions | 16 x 11 x 5.5 cm; 360 g |
| Size | Tinysa ULTRA |
| Special Features | 150 |
| Style | Upgraded TinySA Ultra |
S**N
whats going on in your radio enviroment
brilliant bit of kit for the price.
S**T
Spectrum Analyser
Works very well for the price. Certainly good for upto 800Mhz calibrated and upto about 12Ghz max. Amazing. Unfortunately have no separate signal generator to test except Bluetooth and Wi-fi signals but appears to pick these up. Reception relies on a reasonable antenna. Antenna supplied works well enough and detects FM broadcasts. The FM demodulator is a great bonus just to hear the broadcast; quality is great for just checking to see what's there. Overall fantastic piece of kit.
A**R
3.5mm jack disconnected inside
Overall a great item and everything functioning. However, suddenly, I wasn't able to use the 'Listen' feature because of constant plugging and unplugging of the 3.5mm jack. I unscrewed the back to check the port and it was completely disconnected from the PCB. I had to solder it back on. Just beware that the solder isn't strong enough to hold the 3.5mm jack.
M**S
Great bit of kit for the price
Much more affordable than the bigger spectrum analyzers. Great for general use. Don't forget to visit the tinysa website for instructions on enabling ultra mode.
H**Q
Getting sound
Wish I could get some sound out of it. Bob then 5*
Trustpilot
1 month ago
3 weeks ago