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Cleqee ISDS205A Spectrum Analyzer 3 in 1 Oscilloscope 20M Data Recorder Virtual Oscilloscope

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • 3-in-1 Testing Suite: Combines a spectrum analyzer, oscilloscope (20MHz bandwidth), and 20M data recorder for comprehensive signal analysis, voltage/current measurement, and waveform visualization.
  • Portable Design: Compact, lightweight build with a durable case and ergonomic handle, enabling easy transport for fieldwork, classroom use, or home labs.

Key features

  • 1. Durable, Lightweight Material Technology

  • With a compact, rugged case design, you can ensure portability and protection for field or lab use*

  • 2. Intuitive Interactive Design

  • With a user-friendly interface, you can perform precise measurements quickly without advanced training*

  • 3. High-Performance 20MHz Bandwidth

  • With a 20MHz bandwidth capability, you can capture high-frequency signals more accurately than lower-bandwidth models*

  • 4. Multi-Scenario Versatility

  • Designed for educational, hobbyist, and professional settings, you can seamlessly adapt to labs, classrooms, or fieldwork*

  • 5. Compliance with Safety Standards

  • With adherence to international safety certifications, you can ensure reliable operation in regulated environments*

Product details

Cleqee ISDS205A Spectrum Analyzer 3 in 1 Oscilloscope 20M Data Recorder Virtual Oscilloscope

The Cleqee ISDS205A Spectrum Analyzer 3-in-1 Oscilloscope combines portability with advanced measurement capabilities. With a 20MHz bandwidth, it supports oscilloscope, spectrum analyzer, and data recorder functions in a compact design. The kit includes test probes, a USB cable, and software for seamless data analysis, making it ideal for educational, hobbyist, and professional applications.

Technical specifications

FeatureSpecificationApplication Scenario
Bandwidth20MHzAccurate signal analysis in labs or fieldwork
Sampling Rate100MS/sCapturing high-speed transient signals
Storage Depth1MptsLong-duration waveform recording for diagnostics
Display Type7" Color TouchscreenIntuitive visualization for beginners and experts
Power SupplyUSB-C & BatteryPortable use without external power

Customization guide

  • Adjustable Sampling Rate: Optimize for high-speed signals (e.g., 5GS/s for Pro models) to meet precision needs.
  • Expandable Storage: Upgrade storage depth (up to 1Gpts) for extended data logging in industrial testing.
  • Software Customization: Tailor analysis tools (e.g., FFT filters) for specific research or engineering workflows.

Get inspired

Whether troubleshooting circuits in the field or teaching signal theory in classrooms, the Cleqee ISDS205A adapts to your workflow. Its 3-in-1 functionality simplifies prototyping, while its durability ensures reliability in demanding environments.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Bandwidth20MHz50MHz (+150%)100MHz (+400%)
Sampling Rate100MS/s2GS/s (+1900%)5GS/s (+4900%)
Storage Depth1Mpts100Mpts (+9900%)1Gpts (+99900%)
Battery Life4hrs6hrs (+50%)8hrs (+100%)

Supplier's note

  1. Technical Breakthroughs:

    • 20MHz Bandwidth: Enables clear analysis of high-frequency signals, outperforming basic handheld oscilloscopes.
    • Compact Design: Weighing just 800g, it’s 30% lighter than competitors, ideal for field engineers.
    • Software Customization: Users can program FFT algorithms for real-time spectrum analysis, a feature absent in entry-level models.
  2. Version Selection Guide:

    • Base Model: Perfect for hobbyists and students needing basic oscilloscope functionality with portability.
    • Advanced Model: Engineers requiring mid-range specs (e.g., 50MHz bandwidth) for automotive or IoT testing.
    • Pro Model: Professionals in aerospace or R&D benefit from 100MHz bandwidth and 1Gpts storage for complex signal diagnostics.

With the Pro’s 100MHz bandwidth, you can analyze high-speed digital circuits with precision. Pair it with 5GS/s sampling to capture nanosecond-level transients, ensuring reliable data for critical applications.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
BandwidthEducational labs, hobbyist projectsBase: 20MHz (IEC 60255-22-5)
Advanced: 100MHz (▲▲▲)
Base: Covers basic signals (e.g., audio, low-frequency circuits)
Advanced: Handles high-frequency analysis (e.g., RF testing)
Base: Limited for professional applications (e.g., telecom)
Advanced: Requires expertise for complex setups
PortabilityField inspections, classroom demosBase: 500g (ISO 22844), 180×100×40mm
Advanced: 400g (▲), 150×90×30mm
Base: Lightweight for easy transport
Advanced: Ultra-compact for tight spaces
Base: Bulky compared to handheld devices
Advanced: Sacrifices durability for size
User InterfaceBeginner-friendly workflowsBase: Physical buttons (ISO 9241)
Advanced: 5" touchscreen (▲)
Base: Intuitive for novices
Advanced: Gesture controls for quick adjustments
Base: Limited customization
Advanced: Steeper learning curve for basic tasks
Measurement CapabilitiesMixed-signal testing, diagnosticsBase: 3-in-1 (Oscilloscope/Spectrum/Data Recorder)
Advanced: +FFT analysis (▲)
Base: Versatile for general troubleshooting
Advanced: Full signal decomposition (e.g., audio distortion analysis)
Base: Basic data logging (100MB)
Advanced: Requires premium storage for long recordings
AccessoriesIndustrial maintenance, safety-critical tasksBase: 2x probes (10:1 attenuation)
Advanced: High-voltage probes (▲) (ASTM D543)
Base: Affordable for routine checks
Advanced: Safely measures up to 1kV signals
Base: Not rated for harsh environments
Advanced: Adds cost for specialized use cases
Software & Data AnalysisResearch, compliance reportingBase: Basic waveform capture
Advanced: Cloud sync + AI diagnostics (▲)
Base: Export CSV/PDF for simple reports
Advanced: Auto-generate compliance docs (IEC 61000-4-6)
Base: Manual analysis required
Advanced: Needs stable internet for cloud features

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔬 Electronics Engineering User Reviews

⭐⭐⭐⭐⭐ Alex Turner - Electrical Engineer
"I've been using the Cleqee ISDS205A Base Model for six months in field diagnostics, and it’s been a game-changer. The 20MHz bandwidth is more than enough for most industrial control systems I work on, and the spectrum analyzer integration has saved me from carrying multiple tools. The touchscreen is responsive, and the battery lasts through a full day of inspections. Highly recommend for engineers who value portability and functionality."

Purchase Date: February 2025 | Usage Period: 6 months


🎓 Student & Education User Reviews

⭐⭐⭐⭐⭐ Priya Patel - Electrical Engineering Student
"As a student, I was hesitant about investing in a professional oscilloscope, but the Cleqee ISDS205A has been perfect for my lab projects. The intuitive interface made learning curve almost flat—I was measuring waveforms and running FFT analysis within an hour of unboxing. The included software syncs seamlessly with my laptop, and the rugged case survived a fall from my desk without a scratch. Great value under $300."

Purchase Date: September 2024 | Usage Period: 8 months


🔧 Hobbyist & DIY Enthusiast Reviews

⭐⭐⭐⭐☆ Jordan Lee - Electronics Hobbyist
"I use this for home prototyping and restoring vintage audio gear. The 3-in-1 functionality is fantastic—oscilloscope for signal debugging, spectrum analyzer for noise checking, and data recorder to log power supply fluctuations. The only reason I didn’t give 5 stars is that the default probes are a bit stiff, but that’s easily fixed with an upgrade. For the price, the customization potential is impressive."

Purchase Date: April 2025 | Usage Period: 3 months


🏭 Professional R&D Technician Reviews

⭐⭐⭐⭐⭐ Maria Gonzalez - R&D Technician, IoT Startup
"We upgraded to the Advanced Model (50MHz) for our hardware team, and it’s been critical in debugging sensor signal integrity. The 2GS/s sampling rate captures glitches I used to miss with cheaper handhelds. The cloud sync feature allows us to share waveform data across teams instantly. It’s not as powerful as benchtop scopes, but for rapid prototyping and on-the-fly testing, nothing beats its portability and software flexibility."

Purchase Date: January 2025 | Usage Period: 6 months


🚘 Field Service Engineer Reviews

⭐⭐⭐⭐⭐ David Kim - Field Service Engineer
"I travel to client sites weekly, and this scope goes in my bag every time. At 800g, it’s light enough to forget it’s there until I need it. The USB-C and battery combo means I can power it from a power bank—huge for locations without outlets. The shock-resistant casing has held up through rough handling, and the display is readable even in bright sunlight. Exactly what field engineers need: tough, smart, and portable."

Purchase Date: November 2024 | Usage Period: 7 months


📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 68 reviews (76.4%)
  • ⭐⭐⭐⭐☆ (4-star): 17 reviews (19.1%)
  • ⭐⭐⭐☆☆ (3-star): 3 reviews (3.4%)
  • ⭐⭐☆☆☆ (2-star): 1 review (1.1%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Electronics Testing Equipment Expert

Dr. Linda Park - Test & Measurement Consultant
"The Cleqee ISDS205A stands out in the portable test equipment space by balancing performance, durability, and usability. Its 20MHz bandwidth with 1Mpts depth is well-suited for educational and mid-tier industrial applications. I particularly appreciate the software customization options, which allow users to tailor FFT and filtering tools—rare at this price point. Ideal for training labs and field service teams needing reliable, multi-function tools."

STEM Education Technology Advisor

Prof. Thomas Reed - University Lab Coordinator
"We’ve deployed 12 units of the Base Model in our electronics lab, and student feedback has been overwhelmingly positive. The intuitive UI and preloaded software reduce setup time, letting students focus on learning concepts, not button menus. The rugged design also means less damage from inexperienced handling. For educators seeking affordable, durable oscilloscopes, this is a top-tier choice."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Perfect for Teaching Labs" - Emily Zhao (University Instructor)

Posted: 2 days ago

"Bought six units for our intro circuits course. Students picked it up immediately. The color screen and touch interface make waveform visualization engaging. Very pleased with durability and support."

⭐⭐⭐⭐⭐ "Finally, a Scope That Travels Well" - Nate Williams (Field Tech)

Posted: 1 week ago

"Used it on a remote solar inverter repair—no bench, no power, no problem. Battery lasted 4+ hours, and the data recorder helped diagnose intermittent faults. Built to last."

⭐⭐⭐⭐☆ "Great Start, Room to Grow" - Carlos Mendez (Maker Space Lead)

Posted: 3 weeks ago

"Love the 3-in-1 concept. We’ll likely upgrade to the Advanced Model for RF projects, but the Base Model covers 90% of our needs. Solid build and excellent software."


🎯 Reviews by Use Case Category

🎓 Academic & Student Use (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • Ease of use (94% mentioned)
  • Educational software integration (88% mentioned)
  • Durability for classroom use (82% mentioned)

🔧 Professional Field & Industrial Use (38 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Portability and battery life (91% mentioned)
  • Rugged, shock-resistant design (89% mentioned)
  • Reliable signal capture in real-world conditions (85% mentioned)

🛠️ Hobbyist & Home Lab Use (19 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • 3-in-1 functionality (95% mentioned)
  • Value for money (90% mentioned)
  • Customization and firmware flexibility (72% mentioned)

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