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“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(7.3GHz ZS407)” has been added to your cart. View cart

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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(TinySA ULTRA+)

Original price was: $169.99.Current price is: $84.58.
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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(With 50W Attenuator)

Original price was: $169.99.Current price is: $84.58.
-62%

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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(7.3GHz ZS407)

Original price was: $260.99.Current price is: $97.93.
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SEESII Upgraded 1PCS 21V 4000mAh Replacement Battery, Compatible with SEESII Tools, Impact Wrench, Mini Chainsaw

Original price was: $39.99.Current price is: $23.99.
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SEESII Upgraded NanoVNA-H4 Vector Network Analyzer, Latest V4.4 9KHz-1.5GHz HF VHF UHF 4″ Touch Screen VNA Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart(Nanovna H4)

Original price was: $64.78.Current price is: $38.87.
-40%

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SEESII Upgraded NanoVNA-H4 Vector Network Analyzer, Latest V4.4 9KHz-1.5GHz HF VHF UHF 4″ Touch Screen VNA Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart(Nanovna H4+32GB)

Original price was: $64.78.Current price is: $38.87.
-40%

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SEESII Upgraded NanoVNA-H4 Vector Network Analyzer, Latest V4.4 9KHz-1.5GHz HF VHF UHF 4″ Touch Screen VNA Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart(Nanovna-H4 with Hard Case)

Original price was: $64.78.Current price is: $38.87.
-40%

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Spot Welder, Seesii 30 Gears Adjustable Battery Spot Welder HD LCD Colorful Display 5000Ma-h Portable Spot Welder for Spot Welding of Cylindrical Batteries

Original price was: $99.99.Current price is: $59.99.
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Spot Welder, Seesii 80 Gears Adjustable Portable Spot Welder with LCD Screen,Built-in 6000ma-h Battery Spot Welder with 5m Nickel & 4X4 Holders for 0.1/0.15mm Nickel Strip Welding Making Battery Packs

Original price was: $99.99.Current price is: $59.99.
-39%

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Spot Welder, Seesii Farad Capacitor Battery Spot Welder 3000F 120 Gears Adjustable Capacitor Energy Storage Portable Spot Welder, Support 0.1-0.3mm Nickel Strip Spot Welding for Battery Pack Making(3000F)

Original price was: $104.99.Current price is: $64.16.
-64%

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Upgraded NanoVNA 50kHz-6.3GHz Vector Network Analyzer, Seesii 4 inch Antenna Analyzer with MicroSD Slot, Support Data Storage,Measure S Parameters HF VHF UHF SWR Phase Delay Smith Chart(4.0 inch)

Original price was: $259.00.Current price is: $92.64.
-49%

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Upgraded NanoVNA-F V2 Vector Network Analyzer 50kHz-3000MHz HF VHF UHF VNA Antenna Analyzer 4.3 inch with 5000mA-h,Measuring S-Parameter Voltage SWR, Phase, delay, Smith Chart

Original price was: $125.50.Current price is: $63.81.

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(TinySA ULTRA+)

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(With 50W Attenuator)

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(7.3GHz ZS407)

SEESII Upgraded 1PCS 21V 4000mAh Replacement Battery, Compatible with SEESII Tools, Impact Wrench, Mini Chainsaw

SEESII Upgraded NanoVNA-H4 Vector Network Analyzer, Latest V4.4 9KHz-1.5GHz HF VHF UHF 4″ Touch Screen VNA Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart(Nanovna H4)

SEESII Upgraded NanoVNA-H4 Vector Network Analyzer, Latest V4.4 9KHz-1.5GHz HF VHF UHF 4″ Touch Screen VNA Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart(Nanovna H4+32GB)

SEESII Upgraded NanoVNA-H4 Vector Network Analyzer, Latest V4.4 9KHz-1.5GHz HF VHF UHF 4″ Touch Screen VNA Antenna Analyzer Measures S Parameters,Voltage Standing Wave Ratio, Phase,Delay, Smith Chart(Nanovna-H4 with Hard Case)

Spot Welder, Seesii 30 Gears Adjustable Battery Spot Welder HD LCD Colorful Display 5000Ma-h Portable Spot Welder for Spot Welding of Cylindrical Batteries

Spot Welder, Seesii 80 Gears Adjustable Portable Spot Welder with LCD Screen,Built-in 6000ma-h Battery Spot Welder with 5m Nickel & 4X4 Holders for 0.1/0.15mm Nickel Strip Welding Making Battery Packs

Spot Welder, Seesii Farad Capacitor Battery Spot Welder 3000F 120 Gears Adjustable Capacitor Energy Storage Portable Spot Welder, Support 0.1-0.3mm Nickel Strip Spot Welding for Battery Pack Making(3000F)

Upgraded NanoVNA 50kHz-6.3GHz Vector Network Analyzer, Seesii 4 inch Antenna Analyzer with MicroSD Slot, Support Data Storage,Measure S Parameters HF VHF UHF SWR Phase Delay Smith Chart(4.0 inch)

Upgraded NanoVNA-F V2 Vector Network Analyzer 50kHz-3000MHz HF VHF UHF VNA Antenna Analyzer 4.3 inch with 5000mA-h,Measuring S-Parameter Voltage SWR, Phase, delay, Smith Chart

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