---
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: "€ 480.52"
currency: EUR
in_stock: true
reviews_count: 10
category: "Seesii"
url: https://www.desertcart.hr/products/708317625-seesii-tinysa-ultra-zs407-7-3ghz-spectrum-analyzer-2025-upgraded
store_origin: HR
region: Croatia
---

# 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:** € 480.52
**Availability:** ✅ In Stock

## Summary

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

## 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?** € 480.52 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/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

- • **All-Day Field Ready:** Robust 5000mAh battery delivers up to 10 hours of continuous operation—portable precision wherever you go.
- • **Vivid 4-Inch HD Touchscreen:** Navigate complex spectrum data effortlessly with a crisp 480×320 display and intuitive interface.
- • **Ultra-Wide Frequency Mastery:** Covering 100kHz to 7.3GHz, future-proof your RF testing from Wi-Fi 6E to 5G NR and satellite comms.
- • **Seamless Data Control & Storage:** USB & TinySA-APP connectivity plus 32GB MicroSD for real-time data transfer and effortless project management.
- • **Dual Powerhouse: Analyzer + Signal Generator:** Seamlessly switch between spectrum analysis and versatile RF signal generation up to 6.3GHz.

## Overview

The SeeSii TinySA Ultra+ ZS407 is a cutting-edge handheld spectrum analyzer and RF signal generator with an ultra-wide 100kHz to 7.3GHz frequency range. Featuring a sharp 4-inch HD touchscreen, dual-functionality for signal analysis and generation, and a long-lasting 10-hour battery, it’s designed for professionals demanding precision, portability, and future-ready wireless testing capabilities.

## 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: Nice product - This review is for the SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer Fist, be aware that there are many of these out there that are not genuine. Seesii is an authorized seller of the Tinysa and that is why I purchased it from Seesii. Go to Tiinysa and check out their info on this before purchasing. The Tinysa ultra is very practical and fun to use for those who are a bit tech savy. I use it to check the frequency of key fobs for cloning , and cable lines coming into apartments and TV antenna signals. Be careful as the input circuitry is delicate and precautions such as attenuators and a DC block are essential so as not to fry your Tinysa if you are checking your ISP's or external antenna signals. This thing is packed with features. Spectrum analyzers used to cost tens of thousands of dollars. They were big and heavy. This is amazing to have a hand held spectrum analyzer you can carry to locations at an affordable price. The ultra with a 4 inch screen is plenty sufficient. The 7.3 ghz is good for future prospects. Seesii support, if you need it, may not get back to your for a couple of days, but they will get back to you and they are extremely good. Highly recommend the Seesii 7.3 ghz spectrum analyzer, as it comes from a first hand seller and they have support if you need it.
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.

## 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 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 | #26,612 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Spectrum Analyzers |
| Brand | Seesii |
| Brand Name | Seesii |
| Compatible Devices | Computers, Antennas |
| Customer Reviews | 4.7 out of 5 stars 56 Reviews |
| Included Components | 32GB Card |
| 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 | TinySA ULTRA+ZS407 |
| Number of Items | 1 |
| Part Number | ZS407 |
| Power Source | Battery Powered |

## Product Details

- **Brand:** Seesii
- **Compatible Devices:** Computers, Antennas
- **Item dimensions L x W x H:** 6.69 x 4.33 x 2.05 inches
- **Number of Items:** 1
- **Power Source:** Battery Powered

## 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/81J61QuUvfL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Nice product
*by N***R on May 26, 2026*

This review is for the SeeSii TinySA Ultra+ ZS407 7.3GHz Spectrum Analyzer Fist, be aware that there are many of these out there that are not genuine. Seesii is an authorized seller of the Tinysa and that is why I purchased it from Seesii. Go to Tiinysa and check out their info on this before purchasing. The Tinysa ultra is very practical and fun to use for those who are a bit tech savy. I use it to check the frequency of key fobs for cloning , and cable lines coming into apartments and TV antenna signals. Be careful as the input circuitry is delicate and precautions such as attenuators and a DC block are essential so as not to fry your Tinysa if you are checking your ISP's or external antenna signals. This thing is packed with features. Spectrum analyzers used to cost tens of thousands of dollars. They were big and heavy. This is amazing to have a hand held spectrum analyzer you can carry to locations at an affordable price. The ultra with a 4 inch screen is plenty sufficient. The 7.3 ghz is good for future prospects. Seesii support, if you need it, may not get back to your for a couple of days, but they will get back to you and they are extremely good. Highly recommend the Seesii 7.3 ghz spectrum analyzer, as it comes from a first hand seller and they have support if you need it.

### ⭐⭐⭐⭐⭐ 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.

### ⭐⭐⭐⭐⭐ Great piece of test equipment for the price
*by W***. on February 6, 2026*

This compares very well to my much more expensive benchtop spectrum analyzer. It is very impressive to get frequency range up to 7.3 GHz for the low price. It is sensitive enough to see lots of radio stations with a tiny antenna. The touch screen interface works well, especially with the "guitar pick" they provide. I do wish they had a 7" screen version.

## Frequently Bought Together

- 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
- SMA Connectors kit 18 Type SMA RP-SMA Adapter Plug and Jack Straight and 90° SMA Connector Goldplated Brass RF Coax Connectivity Set for FPV Antennas Radio Baofeng Yaesu IP Camera Project
- YOTENKO SMA Adapter Kit 16-Piece, Standard SMA to BNC/UHF/F/N Type Connectors Kit, Antenna Coax Connector Converter Male/Female for WiFi Antenna/FPV Drone/Extension Cable

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-06-23*