---
product_id: 717265264
title: "Seesii TinySA Ultra+ ZS406 Spectrum Analyzer - Handheld Frequency Analyzer 2025 100KHz-5.4GHz 4.1'' with 32GB Memory Card 2-in-1 Signal Generator 100kHz-800MHz MF/HF/VHF/UHF Input"
brand: "seesii"
price: "R$4036"
currency: BRL
in_stock: true
category: "Seesii"
url: https://www.desertcart.com.br/products/717265264-seesii-tinysa-ultra-zs406-spectrum-analyzer-handheld-frequency-analyzer-2025
store_origin: BR
region: Brazil
---

# 4.0 inch crisp display 10KHz-1.5GHz frequency range Durable ABS housing Seesii TinySA Ultra+ ZS406 Spectrum Analyzer - Handheld Frequency Analyzer 2025 100KHz-5.4GHz 4.1'' with 32GB Memory Card 2-in-1 Signal Generator 100kHz-800MHz MF/HF/VHF/UHF Input

**Brand:** seesii
**Price:** R$4036
**Availability:** ✅ In Stock

## Summary

> 📡 Unlock the airwaves — pro-grade spectrum analysis in your pocket!

## Quick Answers

- **What is this?** Seesii TinySA Ultra+ ZS406 Spectrum Analyzer - Handheld Frequency Analyzer 2025 100KHz-5.4GHz 4.1'' with 32GB Memory Card 2-in-1 Signal Generator 100kHz-800MHz MF/HF/VHF/UHF Input by seesii
- **How much does it cost?** R$4036 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/717265264-seesii-tinysa-ultra-zs406-spectrum-analyzer-handheld-frequency-analyzer-2025)

## Best For

- seesii enthusiasts

## Why This Product

- Trusted seesii brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Compact Powerhouse:** Handheld design fits in your palm for ultimate portability and on-the-go diagnostics.
- • **Cost-Savvy Innovation:** ABS housing and smart packaging deliver premium durability without the premium price tag.
- • **Broad Spectrum Mastery:** Covers HF, VHF, UHF bands from 10KHz to 1.5GHz — perfect for pros and hobbyists alike.
- • **Field-Ready Versatility:** Ideal for ham radio operators, scanner enthusiasts, and field engineers needing quick, reliable spectrum scans.
- • **Advanced Signal Insights:** Measures S-parameters, VSWR, phase, delay, and Smith charts for precise network analysis.

## Overview

The 2023 Upgraded SeeSii Spectrum Analyzer is a compact, handheld vector network analyzer featuring a 4-inch display and a frequency range from 10KHz to 1.5GHz. Housed in durable ABS plastic, it offers advanced measurements including S-parameters, VSWR, phase, delay, and Smith charts. Designed for both professionals and hobbyists, it delivers essential spectrum analysis capabilities at an unbeatable price point, making high-quality field diagnostics accessible anytime, anywhere.

## Description

1.With the addition of the ABS housing and the new packaging, compared to many customers who use 3D printed housing, it saves cost.2.- Measuring S parameters, voltage standing wave ratio, phase, delay, Smith chart and the like

## Features

- Upgraded ZS406 TinySA Ultra+: This new version V0.4.6.1 Spectrum Analyzer is developed by Hugen, with a 4.0 inch 480 x 320 large touchscreen display, 100kHz to 5.4GHz wide measurement range, with the new ESD protection function
- Frequency Range: Compared to the tinysa (100kHz to 960MHz), the upgraded tinysa ULTRA+ has an ultra-wide measuring frequency range of 100kHz to 5.4GHz, a spectrum analyzer for 0.1-800MHz, with Ultra mode up to 0.1MHz-6GHz. Switchable resolution band pass filters for both ranges between 200Hz to 850kHz
- 2 in 1 Signal Generator: When not used as a spectrum analyzer, it can be used as a signal generator with a sine wave output between 0.1 and 800 MHz or a rectangular or double tone output up to 4.40 GHz. Built-in calibration signal generator used for automatic self-test and calibration at low input
- PC control: TinySA APP transmits data directly to the computer. The USB interface implements the CDC protocol and there is a large set of commands that can be called via the serial port. These commands can be used to perform measurements or update internal settings. The driver for Windows is automatically installed after connecting to a Windows PC. The driver for Linux is integrated into the kernel
- Ultra-long battery life: The updated tinysa analyzer built-in 3000 mAh battery, with Type-C charging cable and LED charging indicator, can be fully charged within 3 hours. No need to charge frequently

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BBGK9QJB |
| Brand Name | Seesii |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (254) |
| Item Dimensions | 17 x 12 x 6.5 centimeters |
| Item Weight | 265 Grams |
| Manufacturer | Seesii |
| Model | SEESII- TinySA ULTRA+ |
| Number of Items | 1 |
| Part Number | TinySA ULTRA |
| Style Name | fashoin |

## Product Details

- **Brand:** Seesii
- **Colour:** Black
- **Item dimensions L x W x H:** 17 x 12 x 6.5 centimeters
- **Item weight:** 265 Grams
- **Style:** fashoin

## Images

![Seesii TinySA Ultra+ ZS406 Spectrum Analyzer - Handheld Frequency Analyzer 2025 100KHz-5.4GHz 4.1'' with 32GB Memory Card 2-in-1 Signal Generator 100kHz-800MHz MF/HF/VHF/UHF Input - Image 1](https://m.media-amazon.com/images/I/81pd0FQV4pL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: The data is compatible with wireless workbench (shure) and wireless system manager (sennheiser) ?**
A: I seriously doubt it.  The tinySA is more a toy than anything else, certainly not professional in operation.

**Q: Where can i download the tinysa-app software and instruction manual pdf?**
A: from their web site

**Q: Could i measure rfid signal strength from rfid antennas with this?**
A: yes

**Q: Can TinySA Ultra be used with Rational Waves software?**
A: I would guess yes, but you would have to write the code for interface, etc.

## Frequently Bought Together

- SeeSii TinySA Ultra+ ZS406 Spectrum Analyzer, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency Analyzer with 32Gb Card, 2-in-1 Signal Generator MF/HF/VHF UHF Input,V0.4.6.1,2025 Upgraded
- BECEN 10W SMA Attenuator,40db,DC to 3GHz,50 Ohm
- DHT Electronics Handheld Antenna Cable SMA Male to UHF SO-239 Female Connectors 6'' Pack of 2 for Amplifier

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-09-25*