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LimeSDR Mini Open-Source Software Radio Development Board and Electronic Modules Kits for Software Development

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Software-Defined Radio (SDR) Flexibility: Enables users to program and adapt the board for diverse radio frequencies and protocols (e.g., AM, HF bands) via software, supporting applications like amateur radio, IoT, and RF experimentation.
  • Modular Hardware Design: Supports customization through add-ons like antennas, filters, or sensors, allowing tailored configurations for specific projects or research.

Key features

  • 1. Material Technology

  • With a rugged FR-4 PCB material, ensure reliable performance in demanding environments.

  • 2. Interactive Design

  • With a USB Type-A interface, connect seamlessly to any computer for instant setup and control.

  • 3. Performance Parameters

  • With a frequency range spanning 100 kHz to 3 GHz, capture signals across AM, HF, and beyond for versatile experimentation.

  • 4. Scenario Solutions

  • With a modular design, adapt the board for applications like ham radio, educational projects, or industrial testing.

  • 5. Certification Standards

  • With open-source firmware compliance, ensure transparent and community-supported development.

Product details

LimeSDR Mini Open-Source Software Radio Development Board and Electronic Modules Kits for Software Development

The LimeSDR Mini is an open-source USB-based Software Defined Radio (SDR) development board designed for radio communication experiments, amateur radio, and educational use. Built with FR-4 PCB material for durability and precision, it offers modular customization and firmware-updatable capabilities, enabling users to adapt to diverse RF applications.

Technical specifications

FeatureSpecificationBenefit
MaterialFR-4 PCBEnsures mechanical strength and thermal stability
ConnectivityUSB Type-A interfacePlug-and-play compatibility with PCs/macOS/Linux
Frequency Range100 kHz to 3.8 GHz (expandable)Supports AM, HF, VHF, and UHF bands for versatile experimentation
ModulationQuadrature Amplitude Modulation (QAM)Enables high-speed data transmission
Antenna CompatibilitySMA connectorSupports external antennas for enhanced signal reception

Customization guide

Adjustable parameters include:

  • Frequency Range: Expand via firmware updates or external filters to meet specific band requirements.
  • Hardware Modules: Add optional SDR shields or sensors for IoT/RFID integration.
  • Firmware: Customize open-source code for protocol-specific applications (e.g., LoRa, Wi-Fi).

Get inspired

With the LimeSDR Mini, you can build amateur radio stations, decode weather satellites, or prototype 5G communication modules. Its open-source design empowers developers to innovate beyond traditional RF limitations.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Frequency Range100 kHz – 3.8 GHz100 kHz – 6 GHz100 kHz – 10 GHz
ADC/DAC Resolution12-bit14-bit16-bit
Power Output10 dBm15 dBm23 dBm
CertificationsFCC/CEFCC/CE + RoHSFCC/CE + MIL-STD-810G

Supplier's note

  1. Three Technical Breakthroughs:

    • Open-Source Flexibility: With FPGA-programmable logic, users can redefine modulation schemes without hardware changes.
    • Low-Latency USB 3.0: Enables real-time signal processing 20% faster than traditional SDRs.
    • Modular Design: Compatible with Raspberry Pi/Arduino ecosystems for IoT prototyping.
  2. Optimal Version Selection:

    • Base Model: Ideal for hobbyists and students learning SDR basics (e.g., AM/FM radio projects).
    • Advanced Model: Suitable for researchers needing higher precision (e.g., satellite communication).
    • Pro Model: Designed for industrial use cases requiring ruggedized performance (e.g., emergency communication systems).

With the Pro’s 23 dBm output, you can transmit signals over longer distances in harsh environments. Pair its 16-bit resolution with the SMA antenna for crystal-clear signal capture in aerospace applications.

Frequently asked questions

  • Which SDR board is best for hobbyist radio projects?

  • How to clean the USB connector on the LimeSDR Mini?

  • FR-4 vs other PCB materials: Why is it better for SDR boards?

  • Can I add external antennas to the LimeSDR Mini?

  • Is the LimeSDR Mini FCC-certified for safe use?

  • Is the LimeSDR Mini suitable for educational radio experiments?

  • Does the LimeSDR Mini work with Windows/Linux/MacOS?

  • What frequency range does the LimeSDR Mini support?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material & DesignIndustrial prototyping, hobbyist projectsFR-4 PCB (1.5mm thickness, 4-layer stack) ▲
(Industry: 1.6mm, 2-layer)
Enhanced durability and heat dissipation ▲▲
(Supports high-power modules)
Higher cost vs. basic boards
ConnectivityField testing, remote deploymentsUSB 2.0 Type-A + SMA antenna port ▲▲
(Industry: USB 2.0 only)
Dual connectivity for simultaneous data/RF transmission ▲▲
(SMA allows high-frequency antennas)
Limited to 480 Mbps data rate (USB 2.0)
Frequency RangeHF/VHF monitoring, amateur radio100 kHz – 3.8 GHz ▲▲▲
(Industry Standard: 30 MHz max)
Covers 5G/Bluetooth/WiFi bands ▲▲▲
(Ideal for multi-protocol systems)
Requires external filters for precise narrowband applications
CustomizationEducational labs, R&D8 GPIO pins + FPGA-programmable logic ▲▲
(Industry: 4 GPIO fixed)
Supports real-time signal processing workflows ▲▲▲
(FPGA reconfigurability)
Steeper learning curve for firmware modification
Software SupportOpen-source projects, IoT developmentGNU Radio/LimeSuite SDK + OTA firmware updates ▲▲▲
(Industry: Proprietary SW)
Cross-platform compatibility ▲▲▲
(Linux/macOS/Windows)
Requires coding skills for advanced features
Power EfficiencyBattery-powered devices, portable use<2W idle power ▲
(Industry: 3–5W typical)
50% lower power consumption ▲▲
(Prolongs battery life)
Limited to USB-powered setups (no PoE support)

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