TinySA Ultra+ ZS406 Spectrum Analyzer, 4.0 Inch 100kHz-5.4GHz Handheld Frequency Analyzer with 32Gb Card, HW V0.4.6, 2-in-1 Signal Generator(Ultra+ ZS406) — Open-Box, 27% Off

Name: TinySA Ultra+ ZS406 Spectrum Analyzer, 4.0 Inch 100kHz-5.4GHz Handheld Frequency Analyzer with 32Gb Card, HW V0.4.6, 2-in-1 Signal Generator(Ultra+ ZS406)
Brand: QDTimes
SKU: awhd-us-b0g4gcr78g
Price: 176.56 USD
Availability: InStock

Brand: QDTimes

Condition: Used - VeryGood

$176⁵⁶

$242⁰⁰

-27% Save $65⁴⁴

Updated: 50 days ago

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Description

Upgraded Spectrum Analyzer ZS406 TinySA Ultra+: This New Version V0.4.6.1 Spectrum Analyzer 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 5.3GHz 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 plus analyzer built-in 5000mAh rechargeable battery,with type-C charging cable and LED charging indicator, a fully-charged battery allows for at least 3 hours of operation, without frequent recharging interruptions

TinySA Ultra+ ZS406 Spectrum Analyzer, 4.0 Inch 100kHz-5.4GHz Handheld Frequency Analyzer with 32Gb Card, HW V0.4.6, 2-in-1 Signal Generator MF/HF/VHF UHF Input, 2025 Upgraded

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Product Details

SKU:: awhd-us-b0g4gcr78g
Model:: ZS 406407
Country:: US
ASIN:: B0G4GCR78G

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Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $65 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

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Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.