
The upgraded tinySA spectrum analyzer with ESD protected function, primarily intended for 0.1MHz to 350MHz


The performance of the 2024 latest version 3.1 TinySA spectrum will be more stable and sensitive, with a new ESD protrcted function enable the product to have a higher antistatic level and a longer service life.

This device features switchable bandpass filters (2.6–640 kHz), a 290-scan-point color display, an MF/HF/VHF attenuator (0–31 dB), and functions as a Signal Generator with sinusoidal output (0.1–350 MHz) and UHF square wave output (240–960 MHz)











Seesii 2025 Upgraded Tinysa Ultra+ ZS406 100kHz–5.4GHz Spectrum Analyzer
Features a 4.0-inch HD touchscreen with up to 450 scan points for clear visualization of complex spectrum data. While ESD protection and the latest V0.4.6 hardware system provide professional and stable performance.

2-in-1 Function
Integrates a 100kHz-5.4GHz spectrum analyzer (Ultra Mode and High-Performance Normal Mode) and a signal generator (sine wave, square wave, mixed signal output)




TinySA ULTRA+ vs. TinySA Spectrum Analyzer
TinySA ULTRA+ offers a 4-inch screen, 5.4GHz range, and 5000mAh battery, compared to TinySA with a 2.8-inch screen, 960MHz range, and 650mAh battery.

PC Control Available
Connect via USB to function as a PC-controlled Spectrum Analyzer or Signal Generator. Tinysa-APP enables direct data transfer, with the CDC protocol supporting comprehensive measurement and setting commands. Automatic Windows driver installation and native Linux kernel support.


Seesii 2025 Upgraded Tinysa Ultra+ ZS407 100kHz–7.3GHz Spectrum Analyzer
Features a 4.0-inch HD touchscreen with up to 450 scan points for clear visualization of complex spectrum data. While ESD protection and the latest V0.5.4 hardware system provide professional and stable performance.




The TinySA Ultra+ ZS407 Spectrum Analyzer Functioning as both a spectrum analyzer & signal generator, it produces MF/HF/VHF sine waves from 100kHz-900MHz, UHF square waves from 800MHz-6.3GHz, or RF test signal output up to 7.3 GHz.













