---
product_id: 708317625
title: "SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz Handheld Tiny Frequency Analyzer - 2-in-1 RF Signal Generator 100kHz to 900MHz MF/HF/VHF UHF"
brand: "seesii"
price: "15135360₫"
currency: VND
in_stock: true
reviews_count: 8
category: "Seesii"
url: https://www.desertcart.vn/products/708317625-seesii-tinysa-ultra-zs407-7-3ghz-spectrum-analyzer-2025-upgraded
store_origin: VN
region: Vietnam
---

# 4-inch HD touchscreen, 480×320 res 100kHz–7.3GHz ultra-wide freq range 10-hour battery life, 5000mAh SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz Handheld Tiny Frequency Analyzer - 2-in-1 RF Signal Generator 100kHz to 900MHz MF/HF/VHF UHF

**Brand:** seesii
**Price:** 15135360₫
**Availability:** ✅ In Stock

## Summary

> 🚀 Unlock the spectrum frontier with SeeSii TinySA Ultra+ — where precision meets portability!

## Quick Answers

- **What is this?** SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz Handheld Tiny Frequency Analyzer - 2-in-1 RF Signal Generator 100kHz to 900MHz MF/HF/VHF UHF by seesii
- **How much does it cost?** 15135360₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/708317625-seesii-tinysa-ultra-zs407-7-3ghz-spectrum-analyzer-2025-upgraded)

## 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

- • **Seamless Data Flow:** USB & TinySA-APP connectivity plus 32GB MicroSD for effortless data transfer & storage.
- • **All-Day Field Ready:** Robust 5000mAh battery delivers 10 hours of uninterrupted professional performance.
- • **Dual-Mode Powerhouse:** 2-in-1 spectrum analyzer & RF signal generator for versatile field & lab use.
- • **Crystal-Clear Visualization:** 4-inch HD touchscreen with 450 scan points for pinpoint spectrum insights.
- • **Ultra-Wide Frequency Mastery:** Covering 100kHz to 7.3GHz, perfect for 5G, Wi-Fi 6E & satellite pros.

## Overview

The SeeSii TinySA Ultra+ ZS407 is a 2025 upgraded handheld spectrum analyzer and RF signal generator featuring an ultra-wide 100kHz to 7.3GHz frequency range, a sharp 4-inch HD touchscreen, and a powerful 5000mAh battery offering up to 10 hours of continuous use. Designed for professionals in RF system development, satellite alignment, and wireless communication debugging, it supports real-time data transfer via USB and app connectivity, making it an indispensable tool for precise, on-the-go spectrum analysis.

## Description

SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz Handheld Tiny Frequency Analyzer - 2-in-1 RF Signal Generator 100kHz to 900MHz MF/HF/VHF UHF: desertcart.com: Industrial & Scientific

Review: Incredible device! - I love this device. The built-in self calibration and the big screen make this my favorite new instrument. I also love that you can save all settings as template, so easy to jump back and all markers and trace configurations are ready to make a measurement.
Review: Thank you. - Awesome

## Features

- 2025 Upgraded Tinysa Ultra+ ZS407 Spectrum Analyzer: Supports an ultra-wide frequency range of 100kHz–7.3GHz, delivering precise test data for RF system development, satellite alignment, and frequency verification. Features a 4.0-inch HD touchscreen (480×320 resolution) with up to 450 scan points for clear visualization of complex spectrum data. The intuitive interface ensures ease of use, while ESD protection and the latest V0.5.4 hardware system provide professional and stable performance.
- Broad Frequency Coverage: Supports 100kHz–7.3GHz, ideal for 5G NR, Wi-Fi 6E, satellite communications, and higher wireless frequency bands. Calibrated up to 8GHz, it enables broader applications for high-frequency testing in lab environments. Standard mode covers 100kHz–800MHz, while ULTRA mode extends to 6GHz. With 200Hz–850kHz RBW, it ensures fast, efficient measurements, meeting high-precision needs like SSB two-tone intermodulation tests.
- Robust Signal Generation: Functioning as both a spectrum analyzer and signal generator, it produces MF/HF/VHF sine waves from 100kHz-900MHz, UHF square waves from 800MHz-6.3GHz, and mixed signals from 4.4GHz-6.3GHz. Our spectrum analyzer antenna's versatility is perfect for RF system development, wireless communication debugging, and RF interference detection, aiding professionals in identifying and resolving frequency issues.
- Convenient PC Control and Data Transfer: With USB and TinySA-APP connectivity, the device supports real-time data display and transfer, enhancing data management efficiency. This sdr spectrum analyzer includes a 32GB MicroSD card for easy data storage and sharing, catering to spectrum scanning, signal detection, and radio noise measurement needs.
- 10-Hour Working Time: Powered by a 5000mAh rechargeable battery, it offers up to 10 hours of continuous operation, ideal for field use by RF interference troubleshooters and satellite communication technicians. This signal analyzer's compact design makes it portable for various work environments, facilitating quick wireless signal detection and analysis for electronic and audio technicians.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DWN7XLTX |
| Best Sellers Rank | #23,853 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Spectrum Analyzers |
| Brand | Seesii |
| Brand Name | Seesii |
| Customer Reviews | 4.6 out of 5 stars 44 Reviews |
| Included Components | Seesii ZS407 TinySA ULTRA +7.3GHz Spectrum Analyzer Kits |
| Item Dimensions | 6.69 x 4.33 x 2.05 inches |
| Item dimensions L x W x H | 6.69 x 4.33 x 2.05 inches |
| Manufacturer | Seesii |
| Model | 7.3GHz ZS407 |
| Part Number | ZS407 |

## Product Details

- **Brand:** Seesii
- **Item dimensions L x W x H:** 6.69 x 4.33 x 2.05 inches
- **Manufacturer:** Seesii

## Images

![SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer: 2025 Upgraded 4 Inch HW V0.5.4 100kHz-7.3GHz Handheld Tiny Frequency Analyzer - 2-in-1 RF Signal Generator 100kHz to 900MHz MF/HF/VHF UHF - Image 1](https://m.media-amazon.com/images/I/81j8lgXvI9L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Incredible device!
*by M***R on April 22, 2026*

I love this device. The built-in self calibration and the big screen make this my favorite new instrument. I also love that you can save all settings as template, so easy to jump back and all markers and trace configurations are ready to make a measurement.

### ⭐⭐⭐⭐⭐ Thank you.
*by A***I on April 3, 2026*

Awesome

### ⭐⭐⭐⭐⭐ The best!
*by J***Y on March 28, 2026*

Simply the Best Mini ever!

## Frequently Bought Together

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-04-25*