---
product_id: 585524817
title: "SeeSii TinySA Ultra+ ZS406 Spectrum Analyzer with 50W Attenuator, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency Analyzer with 32Gb Card,100kHz to 800MHz MF/HF/VHF UHF Input, 2025 Upgraded"
brand: "seesii"
price: "¥69613"
currency: JPY
in_stock: true
category: "Seesii"
url: https://www.desertcart.jp/products/585524817-seesii-tinysa-ultra-zs406-spectrum-analyzer-with-50w-attenuator-4
store_origin: JP
region: Japan
---

# Built-in 32GB microSD for direct data recording 100kHz-5.4GHz ultra-wide freq range 5000mAh battery with 3hr fast Type-C charging SeeSii TinySA Ultra+ ZS406 Spectrum Analyzer with 50W Attenuator, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency Analyzer with 32Gb Card,100kHz to 800MHz MF/HF/VHF UHF Input, 2025 Upgraded

**Brand:** seesii
**Price:** ¥69613
**Availability:** ✅ In Stock

## Summary

> 📡 Tiny device, colossal frequency power — own the spectrum like a pro!

## Quick Answers

- **What is this?** SeeSii TinySA Ultra+ ZS406 Spectrum Analyzer with 50W Attenuator, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency Analyzer with 32Gb Card,100kHz to 800MHz MF/HF/VHF UHF Input, 2025 Upgraded by seesii
- **How much does it cost?** ¥69613 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/585524817-seesii-tinysa-ultra-zs406-spectrum-analyzer-with-50w-attenuator-4)

## 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

- • **Dual-Mode Powerhouse:** Switch between spectrum analyzer and signal generator modes, with sine, square, and dual-tone outputs up to 4.4GHz.
- • **All-Day Battery Freedom:** Robust 5000mAh battery with quick 3-hour Type-C charging keeps you powered through long field sessions.
- • **Ultra-Wide Frequency Mastery:** Covering 100kHz to 5.4GHz, handle every signal from MF to UHF with unmatched precision.
- • **Seamless Data Capture & Sharing:** Integrated 32GB microSD lets you record and transfer measurement data effortlessly—no extra gear needed.
- • **Touchscreen Control Meets PC Connectivity:** 4.0-inch vibrant touchscreen plus USB PC control for advanced command execution and real-time data management.

## Overview

The SeeSii TinySA Ultra+ ZS406 is a handheld spectrum analyzer featuring an ultra-wide 100kHz to 5.4GHz frequency range, a sharp 4.0-inch touchscreen, and a built-in 32GB microSD card for direct data recording. It doubles as a signal generator with multiple waveform outputs and offers PC connectivity via USB for enhanced control. Powered by a 5000mAh rechargeable battery with fast Type-C charging, this compact device is engineered for professionals demanding precision, portability, and seamless data management in one sleek package.

## Description

SeeSii TinySA Ultra+ ZS406 Spectrum Analyzer with 50W Attenuator, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency Analyzer with 32Gb Card,100kHz to 800MHz MF/HF/VHF UHF Input, 2025 Upgraded: desertcart.com: Industrial & Scientific

## Features

- SeeSii Upgraded TinySA Ultra:This New Version V0.4.6.1 Spectrum Analyzer is developed by Hugen, with 4.0 inch 480 x 320 large touchscreen display, 100kHz to 5.4GHz widely measure range, with the new ESD protection function, the product has a higher anti-static level and a longer service life, and built-in 32Gb micro SD card, can directly record data to the card ,which is convenient for your data sharing and storage
- Frequency Range: Compared to the tinysa (100kHz to 960MHz), the upgraded tinysa ULTRA has 100kHz to 5.4GHz ultra-wide measuring frequency range, 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. Color display showing 450 scan points covering up to the full low or high frequency range. Faster and more accurate measurement performance, you can easily cope with measurement testes in various fields
- 2 in 1 Multifunctional Frequency Analyzer & Signal Generator: When not used as Spectrum Analyzer it can be used as Signal Generator,with sine wave output between 0.1-800MHz or square wave or dual tone output up to 4.4GHz.Built-in calibration signal generator that is used for automatic self test and low input calibration
- PC Control: Connected to a PC via USB it becomes a PC controlled Spectrum Analyzer or Signal Generator.Tinysa-APP transfers data directly to the computer.The USB interface implements CDC protocol and there is a large set of commands that can be invoked over the serial interface. These command can be used to perform measurements or update internal settings. The driver for Windows will install automatically after connecting to a Windows PC. The driver for Linux is built into the kernel
- Ultra-long Battery Life: The upgraded tinysa analyzer built-in 5000m-ah rechargeable battery,with type-C charging cable and LED charging indicator,it can be fully charged within 3 hours,no need to charge frequently

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CG31FYWR |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Best Sellers Rank | #30,293 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Spectrum Analyzers |
| Date First Available | August 19, 2023 |
| Item Weight | 2.09 pounds |
| Item model number | TinySA ULTRA+ZS406 |
| Manufacturer | Seesii |
| Product Dimensions | 6.3 x 4.33 x 2.17 inches |

## Images

![SeeSii TinySA Ultra+ ZS406 Spectrum Analyzer with 50W Attenuator, 4.0 Inch 100kHz to 5.4GHz Handheld Tiny Frequency Analyzer with 32Gb Card,100kHz to 800MHz MF/HF/VHF UHF Input, 2025 Upgraded - Image 1](https://m.media-amazon.com/images/I/8161fAsZ4FL.jpg)

## Available Options

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

## Frequently Bought Together

- SeeSii TinySA Ultra Spectrum Analyzer with 50W Attenuator, 4.0 Inch 100kHz to 5.3GHz Handheld Tiny Frequency Analyzer with 32Gb Card,100kHz to 800MHz MF/HF/VHF UHF Input, 2024 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 Japan*
*Store origin: JP*
*Last updated: 2026-08-30*